/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
var testPage =
"data:text/html,<head><style>body{animation: fadein 1s infinite;} @keyframes fadein{from{opacity: 0;}}</style><body>Text";
add_task(async
function test() {
let tab = BrowserTestUtils.addTab(gBrowser, testPage, {
skipAnimation:
true,
});
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
await BrowserTestUtils.switchTab(gBrowser, tab);
await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {
const anim = content.document.getAnimations()[
0];
await anim.ready;
ok(SpecialPowers.wrap(anim).isRunningOnCompositor);
});
let promiseWin = BrowserTestUtils.waitForNewWindow();
let newWin = gBrowser.replaceTabWithWindow(tab);
await promiseWin;
Assert.ok(
ChromeUtils.vsyncEnabled(),
"vsync should be enabled as we have a tab with an animation"
);
newWin.close();
await TestUtils.waitForCondition(
() => !ChromeUtils.vsyncEnabled(),
"wait for vsync to be disabled"
);
Assert.ok(
!ChromeUtils.vsyncEnabled(),
"vsync should be disabled after closing window that contained an animated tab"
);
});
