<!
DOCTYPE HTML>
<
html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1364364
-->
<
head>
<
meta charset=
"utf-8">
<
title>Test for Bug 1364364</
title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css"/>
<
script type=
"application/javascript">
/** Test for Bug 1364364 */
let testWin, testDoc;
async function test() {
SimpleTest.waitForExplicitFinish();
if (SpecialPowers.Services.appinfo.sessionHistoryInParent) {
// This test relies on the possibility to modify the bfcached document.
// The new implementation is more restricted and thus works only
// when the bfcached browsing context is the only top level one
// in the browsing context group.
ok(true,
"This test is for the old bfcache implementation only.");
SimpleTest.finish();
return;
}
testWin = window.open(
"file_bug1364364-1.html");
await waitForLoad(testWin);
testDoc = testWin.document;
// file_bug1364364-1.
html will load a few dynamic iframes and then navigate
// top browsing context to file_bug1364364-2.
html, which will postMessage
// back.
}
function waitForLoad(win) {
return new Promise(r => win.addEventListener(
"load", r, { once: true}));
}
window.addEventListener(
"message", async function(msg) {
if (msg.data ==
"navigation-done") {
is(testWin.history.length, 6,
"check history.length");
// Modify a document in bfcache should cause the cache being dropped tho
// RemoveFromBFCacheAsync.
testDoc.querySelector(
"#content").textContent =
"modified";
await new Promise(r => setTimeout(r, 0));
is(testWin.history.length, 2,
"check history.length after bfcache dropped");
testWin.close();
SimpleTest.finish();
}
});
</
script>
</
head>
<
body onload=
"test();">
<a target=
"_blank" href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=1364364">Mozil
la Bug 1364364</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>