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<!DOCTYPE HTML> <html> <head> <title>Test for default action of WheelEvent</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script src="/tests/SimpleTest/EventUtils.js"></script> <script src="/tests/SimpleTest/paint_listener.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <p id="display"></p> <div id="scrollable" style="overflow: auto; width: 200px; height: 200px;"> <div id="clipper" style="margin: 0; padding: 0; overflow: hidden; width: 3000px; height: 300 <div id="scrolled" style="width: 5000px; height: 5000px;"> Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. Tere is a lot of Tere is a lot of text. Tere is a lot of text. Tere is a lot of text. 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SimpleTest.waitForFocus(function() { let chromeScript = SpecialPowers.loadChromeScript(_ => { /* eslint-env mozilla/chrome-script */ let win = Services.wm.getMostRecentWindow("navigator:browser"); win.requestAnimationFrame(() => { win.gBrowser.selectedBrowser.removeAttribute("blank"); win.requestAnimationFrame(() => { sendAsyncMessage("blank-attribute-removed"); }); }); }); chromeScript.promiseOneMessage("blank-attribute-removed").then(() => { chromeScript.destroy(); runTests(); }); }, window); SimpleTest.requestLongerTimeout(6); SimpleTest.requestFlakyTimeout("untriaged"); var winUtils = SpecialPowers.getDOMWindowUtils(window); // grab refresh driver winUtils.advanceTimeAndRefresh(100); var gScrollableElement = document.getElementById("scrollable"); var gScrolledElement = document.getElementById("scrolled"); var gSpacerForBodyElement = document.getElementById("spacerForBody"); const kDefaultActionNone = 0; const kDefaultActionScroll = 1; const kDefaultActionHistory = 2; const kDefaultActionZoom = 3; const kDefaultActionHorizontalizedScroll = 4; const kDefaultActionOverrideXNoOverride = -1; const kDefaultActionOverrideXNone = kDefaultActionNone; const kDefaultActionOverrideXScroll = kDefaultActionScroll; const kDefaultActionOverrideXHistory = kDefaultActionHistory; const kDefaultActionOverrideXZoom = kDefaultActionZoom; // We sometimes rely on the scroll position not getting preserved across tests. function resetScrollPosition(element) { element.style.display = "none"; element.offsetTop; element.style.display = ""; } function is() { window.opener.is.apply(window.opener, arguments); } function ok() { window.opener.ok.apply(window.opener, arguments); } function sendWheelAndWait(aX, aY, aEvent, aCallback) { sendWheelAndPaint(gScrollableElement, aX, aY, aEvent, aCallback); } function hitEventLoop(aFunc, aTimes) { winUtils.advanceTimeAndRefresh(100); if (--aTimes) { setTimeout(hitEventLoop, 0, aFunc, aTimes); } else { setTimeout(aFunc, 20); } } function onZoomReset(aCallback) { var fullZoom = SpecialPowers.getFullZoom(window); if (fullZoom == 1) { SimpleTest.executeSoon(aCallback); return; } // Zoom causes a resize of the viewport. window.addEventListener("resize", function onResize(event) { is(SpecialPowers.getFullZoom(window), 1, "Zoom should be reset to 1"); window.removeEventListener("resize", onResize); SimpleTest.executeSoon(aCallback); }); } function setDeltaMultiplierSettings(aSettings, aCallback) { SpecialPowers.pushPrefEnv({"set": [ ["mousewheel.default.delta_multiplier_x", aSettings.deltaMultiplierX * 100], ["mousewheel.default.delta_multiplier_y", aSettings.deltaMultiplierY * 100], ["mousewheel.default.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], ["mousewheel.with_alt.delta_multiplier_x", aSettings.deltaMultiplierX * 100], ["mousewheel.with_alt.delta_multiplier_y", aSettings.deltaMultiplierY * 100], ["mousewheel.with_alt.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], ["mousewheel.with_control.delta_multiplier_x", aSettings.deltaMultiplierX * 100], ["mousewheel.with_control.delta_multiplier_y", aSettings.deltaMultiplierY * 100], ["mousewheel.with_control.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], ["mousewheel.with_meta.delta_multiplier_x", aSettings.deltaMultiplierX * 100], ["mousewheel.with_meta.delta_multiplier_y", aSettings.deltaMultiplierY * 100], ["mousewheel.with_meta.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], ["mousewheel.with_shift.delta_multiplier_x", aSettings.deltaMultiplierX * 100], ["mousewheel.with_shift.delta_multiplier_y", aSettings.deltaMultiplierY * 100], ["mousewheel.with_shift.delta_multiplier_z", aSettings.deltaMultiplierZ * 100], ]}, aCallback); } function doTestScroll(aSettings, aCallback) { const kNoScroll = 0x00; const kScrollUp = 0x01; const kScrollDown = 0x02; const kScrollLeft = 0x04; const kScrollRight = 0x08; const kTests = [ { description: "Scroll to bottom by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to bottom by pixel scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to top by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to top by pixel scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by pixel scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by pixel scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to bottom-right by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown | kScrollRight }, { description: "Scroll to bottom-left by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown | kScrollLeft }, { description: "Scroll to top-left by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp | kScrollLeft }, { description: "Scroll to top-right by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp | kScrollRight }, { description: "Not Scroll by pixel scroll for z", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll to bottom by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to bottom by line scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to top by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to top by line scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to right by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by line scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by line scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to bottom-right by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown | kScrollRight }, { description: "Scroll to bottom-left by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown | kScrollLeft }, { description: "Scroll to top-left by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp | kScrollLeft }, { description: "Scroll to top-right by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp | kScrollRight }, { description: "Not Scroll by line scroll for z", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll to bottom by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to bottom by page scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to top by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to top by page scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to right by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by page scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by page scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to bottom-right by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown | kScrollRight }, { description: "Scroll to bottom-left by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown | kScrollLeft }, { description: "Scroll to top-left by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp | kScrollLeft }, { description: "Scroll to top-right by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp | kScrollRight }, { description: "Not Scroll by page scroll for z", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, // special cases. // momentum scroll should cause scroll even if the action is zoom, but if the default action is no // shouldn't do it. { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if th event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if th event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the ac event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the a event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the a event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to bottom-right by momentum pixel scroll even if the action is zoom", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollDown | kScrollRight }, { description: "Scroll to bottom-left by momentum pixel scroll even if the action is zoom", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollDown | kScrollLeft }, { description: "Scroll to top-left by momentum pixel scroll even if the action is zoom", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollUp | kScrollLeft }, { description: "Scroll to top-right by momentum pixel scroll even if the action is zoom", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kScrollUp | kScrollRight }, { description: "Not Scroll by momentum pixel scroll for z (action is zoom)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Not Scroll by momentum pixel scroll if default action is none (action is zoom)" event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }, expected: kNoScroll, prepare (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 1]]}, // momentum scroll should cause scroll even if the action is history, but if the default action i // shouldn't do it. { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if th event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollDown }, { description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if th event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollDown }, { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the ac event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollUp }, { description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the a event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollUp }, { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the a event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to bottom-right by momentum pixel scroll even if the action is history" event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollDown | kScrollRight }, { description: "Scroll to bottom-left by momentum pixel scroll even if the action is history", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollDown | kScrollLeft }, { description: "Scroll to top-left by momentum pixel scroll even if the action is history", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollUp | kScrollLeft }, { description: "Scroll to top-right by momentum pixel scroll even if the action is history", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kScrollUp | kScrollRight }, { description: "Not Scroll by momentum pixel scroll for z (action is history)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kNoScroll }, { description: "Not Scroll by momentum pixel scroll if default action is none (action is histor event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: true, metaKey: false }, expected: kNoScroll, prepare (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 0]]}, cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.default.action", 1]]}, // Don't scroll along axis whose overflow style is hidden. { description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown, prepare(cb) { gScrollableElement.style.overflowX = "hidden"; cb(); } }, { description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to only top by oblique line wheel event with overflow-x: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to only top by oblique page wheel event with overflow-x: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp, cleanup (cb) { gScrollableElement.style.overflowX = "auto"; cb(); } }, { description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight, prepare(cb) { gScrollableElement.style.overflowY = "hidden"; cb(); } }, { description: "Scroll to only right by oblique line wheel event with overflow-y: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to only right by oblique page wheel event with overflow-y: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to only top by oblique line wheel event with overflow-y: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to only top by oblique page wheel event with overflow-y: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft, cleanup (cb) { gScrollableElement.style.overflowY = "auto"; cb(); } }, { description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll, prepare(cb) { gScrollableElement.style.overflow = "hidden"; cb(); } }, { description: "Don't be scrolled by oblique line wheel event with overflow: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't be scrolled by oblique page wheel event with overflow: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't be scrolled by oblique line wheel event with overflow: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't be scrolled by oblique page wheel event with overflow: hidden", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll, cleanup (cb) { gScrollableElement.style.overflow = "auto"; cb(); } }, // Don't scroll along axis whose overflow style is hidden and overflow delta values should // be zero if there is ancestor scrollable element. { description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden (bo event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown, prepare(cb) { gScrollableElement.style.overflowX = "hidden"; gScrollableElement.style.position = "fixed"; gScrollableElement.style.top = "30px"; gScrollableElement.style.left = "30px"; // Make body element scrollable. gSpacerForBodyElement.style.width = "5000px"; gSpacerForBodyElement.style.height = "5000px"; document.documentElement.scrollTop = 500; document.documentElement.scrollLeft = 500; cb(); } }, { description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden (bod event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden (bod event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollDown }, { description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden (body i event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to only top by oblique line wheel event with overflow-x: hidden (body is event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp }, { description: "Scroll to only top by oblique page wheel event with overflow-x: hidden (body is event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollUp, cleanup (cb) { gScrollableElement.style.overflowX = "auto"; cb(); } }, { description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden (bod event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight, prepare(cb) { gScrollableElement.style.overflowY = "hidden"; cb(); } }, { description: "Scroll to only right by oblique line wheel event with overflow-y: hidden (body event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to only right by oblique page wheel event with overflow-y: hidden (body event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden (body event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to only top by oblique line wheel event with overflow-y: hidden (body is event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to only top by oblique page wheel event with overflow-y: hidden (body is event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft, cleanup (cb) { gScrollableElement.style.overflowY = "auto"; gScrollableElement.style.position = "static"; gSpacerForBodyElement.style.width = ""; gSpacerForBodyElement.style.height = ""; cb(); } }, ]; var description; var currentTestIndex = -1; var isXReverted = (aSettings.deltaMultiplierX < 0); var isYReverted = (aSettings.deltaMultiplierY < 0); function doNextTest() { if (++currentTestIndex >= kTests.length) { SimpleTest.executeSoon(aCallback); return; } gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; var currentTest = kTests[currentTestIndex]; description = "doTestScroll(aSettings=" + aSettings.description + "), " + currentTest.des if (currentTest.prepare) { // prepare() can make changes to a page such as // changing the 'overflow' property which requires // a repaint to take effect before sending // scroll-wheel events. currentTest.prepare(doWaitForPaintsAndScroll); } else { doTestCurrentScroll(); } } function doWaitForPaintsAndScroll() { waitForAllPaintsFlushed(doTestCurrentScroll); } function doTestCurrentScroll() { var currentTest = kTests[currentTestIndex]; sendWheelAndWait(10, 10, currentTest.event, function () { if (currentTest.expected == kNoScroll) { is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); } else { var scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) : (currentTest.expected & kScrollDown); var scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) : (currentTest.expected & kScrollUp); if (scrollUp) { ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableE } else if (scrollDown) { ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollabl } else { is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); } var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) : (currentTest.expected & kScrollRight); var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) : (currentTest.expected & kScrollLeft); if (scrollLeft) { ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScroll } else if (scrollRight) { ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrol } else { is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); } } if (currentTest.cleanup) { currentTest.cleanup(nextStep); } else { nextStep(); } function nextStep() { winUtils.advanceTimeAndRefresh(100); doNextTest(); } }); } doNextTest(); } function doTestHorizontalizedScroll(aSettings, aCallback) { const kNoScroll = 0x00; const kScrollLeft = 0x01; const kScrollRight = 0x02; const kTests = [ { description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by pixel scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by pixel scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Don't scroll by deltaX (pixel scroll, lineOrPageDelta is 0)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by deltaX (pixel scroll, lineOrPageDelta is 1)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by negative deltaX (pixel scroll, lineOrPageDelta is 0)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by negative deltaX (pixel scroll, lineOrPageDelta is -1)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll only to right by diagonal pixel scroll (to bottom-right)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll only to right by diagonal pixel scroll (to bottom-left)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll only to left by diagonal pixel scroll (to top-left)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll only to left by pixel scroll (to bottom-right)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Don't scroll by pixel scroll for z-axis", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll to right by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by line scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by line scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Don't scroll by deltaX (line scroll, lineOrPageDelta is 0)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by deltaX (line scroll, lineOrPageDelta is 1)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by negative deltaX (line scroll, lineOrPageDelta is 0)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by negative deltaY (line scroll, lineOrPageDelta is -1)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll only to right by diagonal line scroll (to bottom-right)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll only to right by diagonal line scroll (to bottom-left)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll only to left by diagonal line scroll (to top-left)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll only to left by line scroll (to top-right)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Don't scroll by line scroll for z-axis", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll to right by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to right by page scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll to left by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll to left by page scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 0)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 1)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is 0)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Don't scroll by deltaX (page scroll, lineOrPageDelta is -1)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, { description: "Scroll only to right by diagonal page scroll (to bottom-right)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll only to right by diagonal page scroll (to bottom-left)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollRight }, { description: "Scroll only to left by diagonal page scroll (to top-left)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Scroll only to left by diagonal page scroll (to top-right)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kScrollLeft }, { description: "Don't scroll by page scroll for z-axis", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: true, ctrlKey: false, altKey: false, metaKey: false }, expected: kNoScroll }, ]; var description; var currentTestIndex = -1; // deltaY should cause horizontal scroll and affected by deltaMultiplierY. // So, horizontal scroll amount and direction is affected by deltaMultiplierY. var isXReverted = (aSettings.deltaMultiplierY < 0); function doNextTest() { if (++currentTestIndex >= kTests.length) { SimpleTest.executeSoon(aCallback); return; } gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; var currentTest = kTests[currentTestIndex]; description = "doTestHorizontalizedScroll(aSettings=" + aSettings.description + "), " + c if (currentTest.prepare) { currentTest.prepare(doTestCurrentScroll); } else { doTestCurrentScroll(); } } function doTestCurrentScroll() { var currentTest = kTests[currentTestIndex]; sendWheelAndWait(10, 10, currentTest.event, function () { is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); if (currentTest.expected == kNoScroll) { is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); } else { var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) : (currentTest.expected & kScrollRight); var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) : (currentTest.expected & kScrollLeft); if (scrollLeft) { ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScroll } else if (scrollRight) { ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrol } else { is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); } } if (currentTest.cleanup) { currentTest.cleanup(nextStep); } else { nextStep(); } function nextStep() { winUtils.advanceTimeAndRefresh(100); doNextTest(); } }); } doNextTest(); } // It will take *freaking* long time(maybe *hours*) to test all the writing mode // combinations for the scroll target and its root, because there are altogether // *one hundred* combinations (10 x 10)! // // So unless you really don't care a snap on time-consuming testing or a strict // criteria is required for testing, it is strongly recommeneded that you // comment out at least the writing modes which are marked as "peculiar" before // running this test, you are encouraged to also comment out those "uncommon" // writing modes in order to further shorten testing time. // // Note that if you are going to run time-consuming tests without commenting out // most of the writing modes, don't forget to increase the value of the // parameter in SimpleTest.requestLongerTimeout in this file; otherwise it'll // most likely lead you to a timed-out failure. // // Also note that |isBTT| has nothing to do with the behaviour of auto-dir // scrolling, it's just used to set the sign of |kOrigScrollTop|. const kWritingModes = [ { isRTL: true, isBTT: false, styles: [ { writingMode: "horizontal-tb", direction: "rtl", }, { writingMode: "vertical-rl", direction: "ltr", }, // uncommon //{ // writingMode: "sideways-rl", // direction: "ltr", //}, ], }, { isRTL: false, isBTT: false, styles: [ { writingMode: "horizontal-tb", direction: "ltr", }, // uncommon //{ // writingMode: "vertical-lr", // direction: "ltr", //}, // uncommon //{ // writingMode: "sideways-lr", // direction: "ltr", //}, ], }, { isRTL: true, isBTT: true, styles: [ // peculiar //{ // writingMode: "vertical-rl", // direction: "rtl", //}, // peculiar //{ // writingMode: "sideways-rl", // direction: "rtl", //}, ], }, { isRTL: false, isBTT: true, styles: [ // peculiar //{ // writingMode: "vertical-lr", // direction: "rtl", //}, // peculiar //{ // writingMode: "sideways-lr", // direction: "rtl", //}, ], }, ]; function getFirstWritingModeStyle() { if (kWritingModes.length < 1) { return false; } let typeIndex = 0; while (!kWritingModes[typeIndex].styles.length) { typeIndex++; if (typeIndex >= kWritingModes.length) { return false; } } return {typeIndex, styleIndex: 0}; } function getNextWritingModeStyle(curStyle) { let typeIndex = curStyle.typeIndex; let styleIndex = curStyle.styleIndex + 1; while (typeIndex < kWritingModes.length) { if (styleIndex < kWritingModes[typeIndex].styles.length) { return {typeIndex, styleIndex}; } typeIndex++; styleIndex = 0; } return false; } function doTestAutoDirScroll(aSettings, aAutoDirTrait, aCallback) { // Go through all the writing-mode combinations for the scroll target and its // root. let firstStyle = getFirstWritingModeStyle(); if (!firstStyle) { // The whole writing mode list is empty, no need to do any test for auto-dir // scrolling. Go ahead with the subsequent tests. SimpleTest.executeSoon(aCallback); return; } // Begin with the first style for both the root and the scroll target. // doTestAutoDirScroll2 will recursively call itself back for every // style combination with getNextWritingModeStyle until all combinations have // been enumerated, and then it will call SimpleTest.executeSoon(aCallback). doTestAutoDirScroll2(aSettings, aAutoDirTrait, firstStyle, firstStyle, aCallback); } function doTestAutoDirScroll2(aSettings, aAutoDirTrait, aStyleForRoot, aStyleForTarget, aCallback) { const kStyleTypeForRoot = kWritingModes[aStyleForRoot.typeIndex]; const kStyleTypeForTarget = kWritingModes[aStyleForTarget.typeIndex]; const kStyleForRoot = kStyleTypeForRoot.styles[aStyleForRoot.styleIndex]; const kStyleForTarget = kStyleTypeForTarget.styles[aStyleForTarget.styleIndex]; const kIsRootRTL = kStyleTypeForRoot.isRTL; const kIsTargetRTL = kStyleTypeForTarget.isRTL; // Just used to set the sign of |kOrigScrollTop|, not related to the auto-dir // behaviour. const kIsTargetBTT = kStyleTypeForTarget.isBTT; const kOldStyleForRoot = {}; const kOldStyleForTarget = {}; const kHonoursRoot = Boolean(aAutoDirTrait.honoursRoot); const kNoScroll = 0x00; const kScrollUp = 0x01; const kScrollDown = 0x02; const kScrollLeft = 0x04; const kScrollRight = 0x08; // The four constants indicate the expected result if the scroll direction is // adjusted. const kAdjustedForUp = {}; const kAdjustedForDown = {}; const kAdjustedForLeft = {}; const kAdjustedForRight = {}; if (kHonoursRoot ? kIsRootRTL : kIsTargetRTL) { kAdjustedForUp.result = kScrollRight; kAdjustedForUp.desc = "right"; kAdjustedForDown.result = kScrollLeft; kAdjustedForDown.desc = "left"; kAdjustedForLeft.result = kScrollDown; kAdjustedForLeft.desc = "bottom"; kAdjustedForRight.result = kScrollUp; kAdjustedForRight.desc = "top"; } else { kAdjustedForUp.result = kScrollLeft; kAdjustedForUp.desc = "left"; kAdjustedForDown.result = kScrollRight; kAdjustedForDown.desc = "right"; kAdjustedForLeft.result = kScrollUp; kAdjustedForLeft.desc = "top"; kAdjustedForRight.result = kScrollDown; kAdjustedForRight.desc = "bottom"; } const kTests = [ // Tests: Test pixel scrolling towards four edges when the target // overflows in both the two directions. // Results: All are unadjusted. // Reason: Auto-dir adjustment never applies to a target which overflows in // both the two directions. { description: "auto-dir scroll to bottom by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown, prepare (cb) { // Static contents will not start from the topleft side in some // writing modes, for ease of coding, we simply absolutely // position the target to the topleft in every case. gScrollableElement.style.position = "absolute"; gScrollableElement.style.top = "10px"; gScrollableElement.style.left = "10px"; SpecialPowers.pushPrefEnv({ "set": [["mousewheel.autodir.enabled", true], ["mousewheel.autodir.honourroot", kHonoursRoot]] }, cb); } }, { description: "auto-dir scroll to bottom by pixel scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to top by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to top by pixel scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, // Tests: Test diagonal pixel scrolling when the target overflows in both // the two directions. // Results: All are unadjusted. // Reason: Auto-dir adjustment never applies to a target which overflows in // both the two directions, furthermore, it never applies to // diagonal scrolling. { description: "auto-dir scroll to bottom-right by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown | kScrollRight }, { description: "auto-dir scroll to bottom-left by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown | kScrollLeft }, { description: "auto-dir scroll to top-left by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp | kScrollLeft }, { description: "auto-dir scroll to top-right by pixel scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp | kScrollRight }, // Tests: Test line scrolling towards four edges when the target overflows // in both the two directions. // Results: All are unadjusted. // Reason: Auto-dir adjustment never applies to a target which overflows in // both the two directions. { description: "auto-dir scroll to bottom by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to bottom by line scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to top by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to top by line scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to right by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to right by line scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to left by line scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "auto-dir scroll to left by line scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, // Tests: Test diagonal line scrolling when the target overflows in both // the two directions. // Results: All are unadjusted. // Reason: Auto-dir adjustment never applies to a target which overflows in // both the two directions, furthermore, it never applies to // diagonal scrolling. { description: "auto-dir scroll to bottom-right by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown | kScrollRight }, { description: "auto-dir scroll to bottom-left by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown | kScrollLeft }, { description: "auto-dir scroll to top-left by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp | kScrollLeft }, { description: "auto-dir scroll to top-right by line scroll", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp | kScrollRight }, // Tests: Test page scrolling towards four edges when the target overflows // in both the two directions. // Results: All are unadjusted. // Reason: Auto-dir adjustment never applies to a target which overflows in // both the two directions. { description: "auto-dir scroll to bottom by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to bottom by page scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to top by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to top by page scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to right by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to right by page scroll when lineOrPageDelta is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to left by page scroll even if lineOrPageDelta is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "auto-dir scroll to left by page scroll when lineOrPageDelta is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, // Tests: Test diagonal page scrolling when the target overflows in both // the two directions. // Results: All are unadjusted. // Reason: Auto-dir adjustment never applies to a target which overflows in // both the two directions, furthermore, it never applies to // diagonal scrolling. { description: "auto-dir scroll to bottom-right by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown | kScrollRight }, { description: "auto-dir scroll to bottom-left by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown | kScrollLeft }, { description: "auto-dir scroll to top-left by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp | kScrollLeft }, { description: "auto-dir scroll to top-right by page scroll", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp | kScrollRight }, // The tests above in this function are all for testing a target with two // scrollbars. All of them should not be adjustable. // From here on, the tests below in this function are all for testing a // target with only one scrollbar, either a vertical scrollbar or horizontal // scrollbar. Some of them are adjustable. // Tests: Test pixel scrolling towards four edges when the target // overflows only in the horizontal direction. // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the // horizontal wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by pixel scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result, prepare (cb) { gScrollableElement.style.overflowX = "auto"; gScrollableElement.style.overflowY = "hidden"; resetScrollPosition(gScrollableElement); cb(); } }, { description: "auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by pixel scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result }, { description: "auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by pixel scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by pixel scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "auto-dir scroll to right by pixel scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to right by pixel scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to left by pixel scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "auto-dir scroll to left by pixel scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, // Tests: Test pixel scrolling towards four edges when the target // overflows only in the vertical direction. // Results: Horizontal wheel scrolls are adjusted to be vertical whereas the // vertical wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "auto-dir scroll to bottom by pixel scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown, prepare (cb) { gScrollableElement.style.overflowX = "hidden"; gScrollableElement.style.overflowY = "auto"; resetScrollPosition(gScrollableElement); cb(); } }, { description: "auto-dir scroll to bottom by pixel scroll when lineOrPageDelta is 1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to top by pixel scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to top by pixel scroll when lineOrPageDelta is -1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to " + kAdjustedForRight.desc + "(originally right) by pixel scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForRight.result }, { description: "auto-dir scroll to " + kAdjustedForRight.desc + "(originally right) by pixel scroll when lineOrPageDelta is 1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForRight.result }, { description: "auto-dir scroll to " + kAdjustedForLeft.desc + "(originally left) by pixel scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForLeft.result }, { description: "auto-dir scroll to " + kAdjustedForLeft.desc + "(originally left) by pixel scroll when lineOrPageDelta is -1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForLeft.result }, // Tests: Test line scrolling towards four edges when the target overflows // only in the horizontal direction. // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the // horizontal wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by line scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result, prepare (cb) { gScrollableElement.style.overflowX = "auto"; gScrollableElement.style.overflowY = "hidden"; resetScrollPosition(gScrollableElement); cb(); } }, { description: "auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by line scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result }, { description: "auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by line scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by line scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "auto-dir scroll to right by line scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to right by line scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to left by line scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "auto-dir scroll to left by line scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, // Tests: Test line scrolling towards four edges when the target overflows // only in the vertical direction. // Results: Horizontal wheel scrolls are adjusted to be vertical whereas the // vertical wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "auto-dir scroll to bottom by line scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown, prepare (cb) { gScrollableElement.style.overflowX = "hidden"; gScrollableElement.style.overflowY = "auto"; resetScrollPosition(gScrollableElement); cb(); } }, { description: "auto-dir scroll to bottom by line scroll when lineOrPageDelta is 1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to top by line scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to top by line scroll when lineOrPageDelta is -1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to " + kAdjustedForRight.desc + "(originally right) by line scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForRight.result }, { description: "auto-dir scroll to " + kAdjustedForRight.desc + "(originally right) by line scroll when lineOrPageDelta is 1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForRight.result }, { description: "auto-dir scroll to " + kAdjustedForLeft.desc + "(originally left) by line scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForLeft.result }, { description: "auto-dir scroll to " + kAdjustedForLeft.desc + "(originally left) by line scroll when lineOrPageDelta is -1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForLeft.result }, // Tests: Test page scrolling towards four edges when the target overflows // only in the horizontal direction. // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the // horizontal wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by page scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result, prepare (cb) { gScrollableElement.style.overflowX = "auto"; gScrollableElement.style.overflowY = "hidden"; resetScrollPosition(gScrollableElement); cb(); } }, { description: "auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by page scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result }, { description: "auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by page scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by page scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "auto-dir scroll to right by page scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to right by page scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "auto-dir scroll to left by page scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "auto-dir scroll to left by page scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, // Tests: Test page scrolling towards four edges when the target overflows // only in the vertical direction. // Results: Horizontal wheel scrolls are adjusted to be vertical whereas the // vertical wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "auto-dir scroll to bottom by page scroll when lineOrPageDelta is 1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown, prepare (cb) { gScrollableElement.style.overflowX = "hidden"; gScrollableElement.style.overflowY = "auto"; resetScrollPosition(gScrollableElement); cb(); } }, { description: "auto-dir scroll to bottom by page scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollDown }, { description: "auto-dir scroll to top by page scroll when lineOrPageDelta is -1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to top by page scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollUp }, { description: "auto-dir scroll to " + kAdjustedForRight.desc + "(originally right) by page scroll when lineOrPageDelta is 1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForRight.result }, { description: "auto-dir scroll to " + kAdjustedForRight.desc + "(originally right) by page scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForRight.result }, { description: "auto-dir scroll to " + kAdjustedForLeft.desc + "(originally left) by page scroll when lineOrPageDelta is -1, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForLeft.result }, { description: "auto-dir scroll to " + kAdjustedForLeft.desc + "(originally left) by page scroll even if lineOrPageDelta is 0, " + "no horizontal scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForLeft.result, cleanup (cb) { SpecialPowers.pushPrefEnv({"set": [["mousewheel.autodir.enabled", false]]}, cb); } }, // Tests: Test that autodir scrolling can be force-enabled using windowUtils. // This only tests vertical wheel scrolls being adjusted to be // horizontal, rather than re-testing all autodir behaviours just for // this way of enabling it. // Results: Vertical wheel scrolls are adjusted to be horizontal whereas the // horizontal wheel scrolls are unadjusted. // Reason: Auto-dir adjustment applies to a target if the target overflows // in only one direction and the direction is orthogonal to the // wheel and deltaZ is zero. { description: "force-enabled auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by pixel scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result, prepare (cb) { gScrollableElement.style.overflowX = "auto"; gScrollableElement.style.overflowY = "hidden"; resetScrollPosition(gScrollableElement); winUtils.setMousewheelAutodir(gScrollableElement, true, kHonoursRoot) cb(); } }, { description: "force-enabled auto-dir scroll to " + kAdjustedForDown.desc + "(originally bottom) by pixel scroll when lineOrPageDelta is 1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForDown.result }, { description: "force-enabled auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by pixel scroll even if lineOrPageDelta is 0, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "force-enabled auto-dir scroll to " + kAdjustedForUp.desc + "(originally top) by pixel scroll when lineOrPageDelta is -1, " + "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: true, expected: kAdjustedForUp.result }, { description: "force-enabled auto-dir scroll to right by pixel scroll even if lineOrPageDel "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "force-enabled auto-dir scroll to right by pixel scroll when lineOrPageDelta "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollRight }, { description: "force-enabled auto-dir scroll to left by pixel scroll even if lineOrPageDelt "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft }, { description: "force-enabled auto-dir scroll to left by pixel scroll when lineOrPageDelta i "no vertical scrollbar", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0, shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }, adjusted: false, expected: kScrollLeft, cleanup (cb) { gScrollableElement.style.position = "static"; gScrollableElement.style.top = "auto"; gScrollableElement.style.left = "auto"; gScrollableElement.style.overflow = "auto"; Object.assign(document.body.style, kOldStyleForRoot); Object.assign(gScrollableElement.style, kOldStyleForTarget); winUtils.setMousewheelAutodir(gScrollableElement, false, false); cb(); } }, ]; let styleDescForRoot = ""; let styleDescForTarget = ""; Object.keys(kStyleForRoot).forEach(function(property) { kOldStyleForRoot[property] = document.body.style[property]; document.body.style[property] = kStyleForRoot[property]; if ("" !== styleDescForRoot) { styleDescForRoot += " "; } styleDescForRoot += property + ": " + kStyleForRoot[property] + ";"; }); Object.keys(kStyleForTarget).forEach(function(property) { kOldStyleForTarget[property] = gScrollableElement.style[property]; gScrollableElement.style[property] = kStyleForTarget[property]; if ("" !== styleDescForTarget) { styleDescForTarget += " "; } styleDescForTarget += property + ": " + kStyleForTarget[property] + ";"; }); let description; let currentTestIndex = -1; let isXReverted = aSettings.deltaMultiplierX < 0; let isYReverted = aSettings.deltaMultiplierY < 0; // We are doing a "trick" here: // If the `kHonoursRoot` is true and the scroll target and the root's contents // are both LTR or both RTL, we can safely skip these tests, because the same // behavior is tested when the `kHonoursRoot` is false. if (kHonoursRoot && kIsRootRTL === kIsTargetRTL) { currentTestIndex = kTests.length; } const kOrigScrollLeft = kIsTargetRTL ? -1000 : 1000; const kOrigScrollTop = kIsTargetBTT ? -1000 : 1000; function doNextTest() { if (++currentTestIndex >= kTests.length) { // The tests for the current writing mode combination have been finished. // Continue the tests for the next writing mode combination, if any. let nextStyleForRoot; let nextStyleForTarget; nextStyleForTarget = getNextWritingModeStyle(aStyleForTarget); if (nextStyleForTarget) { nextStyleForRoot = aStyleForRoot; } else { nextStyleForRoot = getNextWritingModeStyle(aStyleForRoot); if (!nextStyleForRoot) { // All writing mode combinations have been enumerated, so stop // recursively calling doTestAutoDirScroll2, and go ahead with the // subsequent tests. SimpleTest.executeSoon(aCallback); return; } nextStyleForTarget = getFirstWritingModeStyle(); } doTestAutoDirScroll2(aSettings, aAutoDirTrait, nextStyleForRoot, nextStyleForTarget, aCallback); return; } gScrollableElement.scrollTop = kOrigScrollTop; gScrollableElement.scrollLeft = kOrigScrollLeft; var currentTest = kTests[currentTestIndex]; description = "doTestAutoDirScroll(aSettings=" + aSettings.description + ", "; if (kHonoursRoot) { description += "{honoursRoot: true}), "; } else { description += "{honoursRoot: false}), "; } description += "root = " + styleDescForRoot + " "; description += "target = " + styleDescForTarget + " "; if (currentTest.adjusted) { description += "adjusted "; } else { description += "unadjusted "; } description += currentTest.description + ": "; if (currentTest.prepare) { currentTest.prepare(doTestCurrentScroll); } else { doTestCurrentScroll(); } } function doTestCurrentScroll() { var currentTest = kTests[currentTestIndex]; sendWheelAndWait(100, 100, currentTest.event, function () { if (currentTest.expected == kNoScroll) { is(gScrollableElement.scrollTop, kOrigScrollTop, description + "scrolled vertical"); is(gScrollableElement.scrollLeft, kOrigScrollLeft, description + "scrolled horizontal } else { // If auto-dir adjustment occurs, temporarily swap |isYReverted| and // |isXReverted|. if (currentTest.adjusted) { [isYReverted, isXReverted] = [isXReverted, isYReverted]; } let scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) : (currentTest.expected & kScrollDown); let scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) : (currentTest.expected & kScrollUp); if (scrollUp) { ok(gScrollableElement.scrollTop < kOrigScrollTop, description + "not scrolled up, got " + gScrollableElement.scrollTop); } else if (scrollDown) { ok(gScrollableElement.scrollTop > kOrigScrollTop, description + "not scrolled down, got " + gScrollableElement.scrollTop); } else { is(gScrollableElement.scrollTop, kOrigScrollTop, description + "scrolled vertical"); } var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) : (currentTest.expected & kScrollRight); var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) : (currentTest.expected & kScrollLeft); if (scrollLeft) { ok(gScrollableElement.scrollLeft < kOrigScrollLeft, description + "not scrolled to left, got " + gScrollableElement.scrollLeft); } else if (scrollRight) { ok(gScrollableElement.scrollLeft > kOrigScrollLeft, description + "not scrolled to right, got " + gScrollableElement.scrollLeft); } else { is(gScrollableElement.scrollLeft, kOrigScrollLeft, description + "scrolled horizontal"); } // |isYReverted| and |isXReverted| have been temporarily swaped for // auto-dir adjustment, restore them. if (currentTest.adjusted) { [isYReverted, isXReverted] = [isXReverted, isYReverted]; } } if (currentTest.cleanup) { currentTest.cleanup(nextStep); } else { nextStep(); } function nextStep() { winUtils.advanceTimeAndRefresh(100); doNextTest(); } }); } doNextTest(); } function doTestZoom(aSettings, aCallback) { if ((aSettings.deltaMultiplierX != 1.0 && aSettings.deltaMultiplierX != -1.0) || (aSettings.deltaMultiplierY != 1.0 && aSettings.deltaMultiplierY != -1.0)) { todo(false, "doTestZoom doesn't support to test with aSettings=" + aSettings.description) SimpleTest.executeSoon(aCallback); return; } const kNone = 0x00; const kPositive = 0x01; const kNegative = 0x02; const kUseX = 0x10; const kUseY = 0x20; const kTests = [ { description: "by vertical/positive pixel event when its lineOrPageDeltaY is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/positive pixel event when its lineOrPageDeltaY is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kPositive | kUseY }, { description: "by vertical/negative pixel event when its lineOrPageDeltaY is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/negative pixel event when its lineOrPageDeltaY is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNegative | kUseY }, { description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kPositive | kUseX }, { description: "by horizotal/negative pixel event when its lineOrPageDeltaX is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by horizotal/negative pixel event when its lineOrPageDeltaX is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNegative | kUseX }, { description: "by z pixel event", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 0.0, deltaZ: 16.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/positive line event when its lineOrPageDeltaY is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/positive line event when its lineOrPageDeltaY is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kPositive | kUseY }, { description: "by vertical/negative line event when its lineOrPageDeltaY is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/negative line event when its lineOrPageDeltaY is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNegative | kUseY }, { description: "by horizotal/positive line event when its lineOrPageDeltaX is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by horizotal/positive line event when its lineOrPageDeltaX is 1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kPositive | kUseX }, { description: "by horizotal/negative line event when its lineOrPageDeltaX is 0", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by horizotal/negative line event when its lineOrPageDeltaX is -1", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNegative | kUseX }, { description: "by z line event", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/positive page event when its lineOrPageDeltaY is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/positive page event when its lineOrPageDeltaY is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kPositive | kUseY }, { description: "by vertical/negative page event when its lineOrPageDeltaY is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by vertical/negative page event when its lineOrPageDeltaY is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNegative | kUseY }, { description: "by horizotal/positive page event when its lineOrPageDeltaX is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by horizotal/positive page event when its lineOrPageDeltaX is 1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kPositive | kUseX }, { description: "by horizotal/negative page event when its lineOrPageDeltaX is 0", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, { description: "by horizotal/negative page event when its lineOrPageDeltaX is -1", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNegative | kUseX }, { description: "by z page event", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 }, expected: kNone }, ]; var description, currentTest; var currentTestIndex = -1; var isXReverted = (aSettings.deltaMultiplierX < 0); var isYReverted = (aSettings.deltaMultiplierY < 0); function doNextTest() { if (++currentTestIndex >= kTests.length) { SimpleTest.executeSoon(aCallback); return; } gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; currentTest = kTests[currentTestIndex]; description = "doTestZoom(aSettings=" + aSettings.description + "), "; if (currentTest.expected == kNone) { description += "Shouldn't "; } else { description += "Should "; } description += "zoom " + currentTest.description + ": "; var event = currentTest.event; event.ctrlKey = true; // NOTE: Zooming might change scrollTop and scrollLeft by rounding fraction. // This test assume that zoom happens synchronously and scrolling // happens asynchronously. var scrollTop = gScrollableElement.scrollTop; var scrollLeft = gScrollableElement.scrollLeft; fullZoomChangePromise = new Promise(resolve => { if (currentTest.expected & (kNegative | kPositive)) { // Zoom causes a resize of the viewport. window.addEventListener("resize", function onResize() { if (SpecialPowers.getFullZoom(window) != 1) { window.removeEventListener("resize", onResize); setTimeout(() => resolve(), 0); } }); } else { resolve(); } }); sendWheelAndWait(10, 10, event, function () { is(gScrollableElement.scrollTop, scrollTop, description + "scrolled vertical"); is(gScrollableElement.scrollLeft, scrollLeft, description + "scrolled horizontal"); fullZoomChangePromise.then(() => { // When input event prioritization is enabled, the wheel event may be // dispatched to the content process before the message 'FullZoom' to // zoom in/out. Waiting for the event 'FullZoomChange' and then check // the result. if (!(currentTest.expected & (kNegative | kPositive))) { is(SpecialPowers.getFullZoom(window), 1.0, description + "zoomed"); } else { var isReverted = (currentTest.expected & kUseX) ? isXReverted : (currentTest.expected & kUseY) ? isYReverted : false; if ((!isReverted && (currentTest.expected & kNegative)) || (isReverted && (currentTest.expected & kPositive))) { ok(SpecialPowers.getFullZoom(window) > 1.0, description + "not zoomed in, got " + SpecialPowers.getFullZoom(window)); } else { ok(SpecialPowers.getFullZoom(window) < 1.0, description + "not zoomed out, got " + SpecialPowers.getFullZoom(window)); } } if (SpecialPowers.getFullZoom(window) != 1) { // Only synthesizes key event to reset zoom when necessary to avoid // triggering the next test before the key event is handled. In that // case, the key event may break the next test. synthesizeKey("0", { accelKey: true }); } onZoomReset(function () { hitEventLoop(doNextTest, 20); }); }); }); } doNextTest(); } function doTestZoomedScroll(aCallback) { var zoom = 1.0; function setFullZoom(aWindow, aZoom) { zoom = aZoom; SpecialPowers.setFullZoom(aWindow, aZoom); } function prepareTestZoomedPixelScroll() { // Reset zoom and store the scroll amount into the data. synthesizeKey("0", { accelKey: true }); zoom = 1.0; onZoomReset(testZoomedPixelScroll); } function testZoomedPixelScroll() { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; // Ensure not to be in reflow. hitEventLoop(function () { function mousePixelScrollHandler(aEvent) { if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) { is(aEvent.detail, 16, "doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for pixel wheel event is } else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) { is(aEvent.detail, 16, "doTestZoomedScroll: The detail of vertical MozMousePixelScroll for pixel wheel event is wr } else { ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for pixel wheel event is inv } } function wheelHandler(aEvent) { is(aEvent.deltaX, 16.0 / zoom, "doTestZoomedScroll: The deltaX of wheel for pixel is wrong"); is(aEvent.deltaY, 16.0 / zoom, "doTestZoomedScroll: The deltaY of wheel for pixel is wrong"); } window.addEventListener("MozMousePixelScroll", mousePixelScrollHandler, true); window.addEventListener("wheel", wheelHandler, true); var event = { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }; // wait scrolled actually. sendWheelAndWait(10, 10, event, function () { var scrolledX = gScrollableElement.scrollLeft; var scrolledY = gScrollableElement.scrollTop; ok(scrolledX > 1000, "doTestZoomedScroll: scrolledX must be larger than 1000 for pixel wheel event, got " + scrolle ok(scrolledY > 1000, "doTestZoomedScroll: scrolledY must be larger than 1000 for pixel wheel event, got " + scrolle // Zoom setFullZoom(window, 2.0); // Ensure not to be in reflow. hitEventLoop(function () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; var evt = { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 16.0, deltaY: 16.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }; // wait scrolled actually. sendWheelAndWait(10, 10, evt, function () { ok(Math.abs(gScrollableElement.scrollLeft - (1000 + (scrolledX - 1000) / 2)) <= 1, "doTestZoomedScroll: zoomed horizontal scroll amount by pixel wheel event is different from gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX); ok(Math.abs(gScrollableElement.scrollTop - (1000 + (scrolledY - 1000) / 2)) <= 1, "doTestZoomedScroll: zoomed vertical scroll amount by pixel wheel event is different from no gScrollableElement.scrollTop + ", scrolledY=" + scrolledY); window.removeEventListener("MozMousePixelScroll", mousePixelScrollHandler, true); window.removeEventListener("wheel", wheelHandler, true); synthesizeKey("0", { accelKey: true }); onZoomReset(prepareTestZoomedLineScroll); }); }, 20); }); }, 20); } function prepareTestZoomedLineScroll() { // Reset zoom and store the scroll amount into the data. synthesizeKey("0", { accelKey: true }); zoom = 1.0; onZoomReset(testZoomedLineScroll); } function testZoomedLineScroll() { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; // Ensure not to be in reflow. hitEventLoop(function () { var lineHeightX, lineHeightY; function handler(aEvent) { if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) { if (lineHeightX == undefined) { lineHeightX = aEvent.detail; } else { ok(Math.abs(aEvent.detail - lineHeightX) <= 1, "doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for line wheel event is w aEvent.detail + ", lineHeightX=" + lineHeightX); } } else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) { if (lineHeightY == undefined) { lineHeightY = aEvent.detail; } else { ok(Math.abs(aEvent.detail - lineHeightY) <= 1, "doTestZoomedScroll: The detail of vertical MozMousePixelScroll for line wheel event is wro aEvent.detail + ", lineHeightY=" + lineHeightY); } } else { ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for line wheel event is inva } } window.addEventListener("MozMousePixelScroll", handler, true); var event = { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }; // wait scrolled actually. sendWheelAndWait(10, 10, event, function () { var scrolledX = gScrollableElement.scrollLeft; var scrolledY = gScrollableElement.scrollTop; ok(scrolledX > 1000, "doTestZoomedScroll: scrolledX must be larger than 1000 for line wheel event, got " + scrolled ok(scrolledY > 1000, "doTestZoomedScroll: scrolledY must be larger than 1000 for line wheel event, got " + scrolled // Zoom setFullZoom(window, 2.0); // Ensure not to be in reflow. hitEventLoop(function () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; var evt = { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }; // wait scrolled actually. sendWheelAndWait(10, 10, evt, function () { ok(Math.abs(gScrollableElement.scrollLeft - scrolledX) <= 1, "doTestZoomedScroll: zoomed horizontal scroll amount by line wheel event is different from n gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX); ok(Math.abs(gScrollableElement.scrollTop - scrolledY) <= 1, "doTestZoomedScroll: zoomed vertical scroll amount by line wheel event is different from nor gScrollableElement.scrollTop + ", scrolledY=" + scrolledY); window.removeEventListener("MozMousePixelScroll", handler, true); synthesizeKey("0", { accelKey: true }); onZoomReset(aCallback); }); }, 20); }); }, 20); } // XXX It's too difficult to test page scroll because the page scroll amount // is computed by complex logic. prepareTestZoomedPixelScroll(); } function doTestWholeScroll(aCallback) { SpecialPowers.pushPrefEnv({"set": [ ["mousewheel.default.delta_multiplier_x", 999999], ["mousewheel.default.delta_multiplier_y", 999999]]}, function() { doTestWholeScroll2(aCallback); }); } function doTestWholeScroll2(aCallback) { const kTests = [ { description: "try whole-scroll to top (line)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, expectedScrollTop: 0, expectedScrollLeft: 1000 }, { description: "try whole-scroll to top when scrollTop is already top-most (line)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: -1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, expectedScrollTop: 0, expectedScrollLeft: 1000 }, { description: "try whole-scroll to bottom (line)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.0, deltaY: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, expectedScrollTop: gScrollableElement.scrollTopMax, expectedScrollLeft: 1000 }, { description: "try whole-scroll to bottom when scrollTop is already bottom-most (line)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0, deltaY: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, expectedScrollTop: gScrollableElement.scrollTopMax, expectedScrollLeft: 1000 }, { description: "try whole-scroll to left (line)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: 0 }, { description: "try whole-scroll to left when scrollLeft is already left-most (line)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: -1.0, deltaY: 0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: 0 }, { description: "try whole-scroll to right (line)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: gScrollableElement.scrollLeftMax }, { description: "try whole-scroll to right when scrollLeft is already right-most (line)", event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: gScrollableElement.scrollLeftMax }, { description: "try whole-scroll to top (pixel)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: 0, expectedScrollLeft: 1000 }, { description: "try whole-scroll to top when scrollTop is already top-most (pixel)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: -1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: 0, expectedScrollLeft: 1000 }, { description: "try whole-scroll to bottom (pixel)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0.0, deltaY: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: gScrollableElement.scrollTopMax, expectedScrollLeft: 1000 }, { description: "try whole-scroll to bottom when scrollTop is already bottom-most (pixel)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 0, deltaY: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: gScrollableElement.scrollTopMax, expectedScrollLeft: 1000 }, { description: "try whole-scroll to left (pixel)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -1.0, deltaY: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: 0 }, { description: "try whole-scroll to left when scrollLeft is already left-most (pixel)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: -1.0, deltaY: 0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: 0 }, { description: "try whole-scroll to right (pixel)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 1.0, deltaY: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: gScrollableElement.scrollLeftMax }, { description: "try whole-scroll to right when scrollLeft is already right-most (pixel)", event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL, deltaX: 1.0, deltaY: 0.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: gScrollableElement.scrollLeftMax }, { description: "try whole-scroll to top (page)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, expectedScrollTop: 0, expectedScrollLeft: 1000 }, { description: "try whole-scroll to top when scrollTop is already top-most (page)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: -1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: -1 }, expectedScrollTop: 0, expectedScrollLeft: 1000 }, { description: "try whole-scroll to bottom (page)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0.0, deltaY: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, expectedScrollTop: gScrollableElement.scrollTopMax, expectedScrollLeft: 1000 }, { description: "try whole-scroll to bottom when scrollTop is already bottom-most (page)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 0, deltaY: 1.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 1 }, expectedScrollTop: gScrollableElement.scrollTopMax, expectedScrollLeft: 1000 }, { description: "try whole-scroll to left (page)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: 0.0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: 0 }, { description: "try whole-scroll to left when scrollLeft is already left-most (page)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: -1.0, deltaY: 0, lineOrPageDeltaX: -1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: 0 }, { description: "try whole-scroll to right (page)", prepare () { gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; }, event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: gScrollableElement.scrollLeftMax }, { description: "try whole-scroll to right when scrollLeft is already right-most (page)", event: { deltaMode: WheelEvent.DOM_DELTA_PAGE, deltaX: 1.0, deltaY: 0.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 0 }, expectedScrollTop: 1000, expectedScrollLeft: gScrollableElement.scrollLeftMax }, ]; var index = 0; function doIt() { const kTest = kTests[index]; if (kTest.prepare) { kTest.prepare(); } sendWheelAndWait(10, 10, kTest.event, function () { is(gScrollableElement.scrollTop, kTest.expectedScrollTop, "doTestWholeScroll, " + kTest.description + ": unexpected scrollTop"); is(gScrollableElement.scrollLeft, kTest.expectedScrollLeft, "doTestWholeScroll, " + kTest.description + ": unexpected scrollLeft"); if (++index == kTests.length) { SimpleTest.executeSoon(aCallback); } else { doIt(); } }); } doIt(); } function doTestActionOverride(aCallback) { const kNoScroll = 0x00; const kScrollUp = 0x01; const kScrollDown = 0x02; const kScrollLeft = 0x04; const kScrollRight = 0x08; const kTests = [ { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 1.0, deltaY: 0.5, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNoOverride, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXNone, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionScroll, override_x: kDefaultActionOverrideXScroll, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kScrollDown | kScrollRight }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNoOverride, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXNone, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, { action: kDefaultActionNone, override_x: kDefaultActionOverrideXScroll, event: { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaX: 0.5, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 }, expected: kNoScroll }, ]; var index = 0; function doIt() { const kTest = kTests[index]; SpecialPowers.pushPrefEnv({"set": [ ["mousewheel.default.action", kTest.action], ["mousewheel.default.action.override_x", kTest.override_x]]}, doIt2 ); } function doIt2() { const kTest = kTests[index]; description = "doTestActionOverride(action=" + kTest.action + ", " + "override_x=" + kTest.override_x + ", " + "deltaX=" + kTest.event.deltaX + ", " + "deltaY=" + kTest.event.deltaY + "): "; gScrollableElement.scrollTop = 1000; gScrollableElement.scrollLeft = 1000; sendWheelAndWait(10, 10, kTest.event, function () { if (kTest.expected & kScrollUp) { ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableE } else if (kTest.expected & kScrollDown) { ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollabl } else { is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical"); } if (kTest.expected & kScrollLeft) { ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScroll } else if (kTest.expected & kScrollRight) { ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrol } else { is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal"); } if (++index == kTests.length) { SimpleTest.executeSoon(aCallback); } else { doIt(); } }); } doIt(); } function runTests() { SpecialPowers.pushPrefEnv({"set": [ ["test.events.async.enabled", true], ["general.smoothScroll", false], ["mousewheel.default.action", kDefaultActionScroll], ["mousewheel.default.action.override_x", kDefaultActionOverrideXNoOverride], ["mousewheel.with_shift.action", kDefaultActionHorizontalizedScroll], ["mousewheel.with_shift.action.override_x", kDefaultActionOverrideXNoOverride], ["mousewheel.with_control.action", kDefaultActionZoom], ["mousewheel.with_control.action.override_x", kDefaultActionOverrideXNoOverride], ["mousewheel.with_alt.action", kDefaultActionHistory], ["mousewheel.with_alt.action.override_x", kDefaultActionOverrideXNoOverride]]}, runTests2); } function runTests2() { const kSettings = [ { description: "all delta values are not customized", deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, { description: "deltaX is reverted", deltaMultiplierX: -1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, { description: "deltaY is reverted", deltaMultiplierX: 1.0, deltaMultiplierY: -1.0, deltaMultiplierZ: 1.0 }, // Unless you really don't care a snap on time-consuming testing or a strict // criteria is required for testing, it is strongly recommeneded that you // comment the unrealistic case out. //{ description: "deltaZ is reverted", // deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -1.0 },*/ { description: "deltaX is 2.0", deltaMultiplierX: 2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, { description: "deltaY is 2.0", deltaMultiplierX: 1.0, deltaMultiplierY: 2.0, deltaMultiplierZ: 1.0 }, // Unless you really don't care a snap on time-consuming testing or a strict // criteria is required for testing, it is strongly recommeneded that you // comment the unrealistic case out. //{ description: "deltaZ is 2.0", // deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 2.0 }, //{ description: "deltaX is -2.0", // deltaMultiplierX: -2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 }, //{ description: "deltaY is -2.0", // deltaMultiplierX: 1.0, deltaMultiplierY: -2.0, deltaMultiplierZ: 1.0 }, //{ description: "deltaZ is -2.0", // deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -2.0 }, ]; var index = 0; function doTest() { setDeltaMultiplierSettings(kSettings[index], function () { doTestScroll(kSettings[index], function () { doTestAutoDirScroll(kSettings[index], {honoursRoot: false}, function () { doTestAutoDirScroll(kSettings[index], {honoursRoot: true}, function () { doTestHorizontalizedScroll(kSettings[index], function() { doTestZoom(kSettings[index], function() { if (++index == kSettings.length) { setDeltaMultiplierSettings(kSettings[0], function() { doTestZoomedScroll(function() { doTestWholeScroll(function() { doTestActionOverride(function() { finishTests(); }); }); }); }); } else { doTest(); } }); }); }); }); }); }); } doTest(); } function finishTests() { winUtils.restoreNormalRefresh(); window.opener.finish(); } </script> </pre> </body> </html>
[Konzepte0.178Was zu einem Entwurf gehörtWie die Entwicklung von Software durchgeführt wird2026-04-25] |
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2026-05-26