gecko-dev/docshell/test/mochitest/test_bfcache_plus_hash.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=646641
-->
<head>
<title>Test for Bug 646641</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/WindowSnapshot.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=646641">Mozilla Bug 646641</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 646641 **/
/*
* In a popup (because navigating the main frame confuses Mochitest), do the
* following:
*
* * Call history.pushState().
* * Navigate to a new page.
* * Go back two history entries.
*
* Check that we go back, we retrieve the document from bfcache.
*/
SimpleTest.waitForExplicitFinish();
function debug(msg) {
// Wrap dump so we can turn debug messages on and off easily.
dump(msg + "\n");
}
var expectedLoadNum = -1;
function childLoad(n) {
if (n == expectedLoadNum) {
debug("Got load " + n);
expectedLoadNum = -1;
// Spin the event loop before calling gGen.next() so the generator runs
// outside the onload handler. This prevents us from encountering all
// sorts of docshell quirks.
setTimeout(function() { gGen.next(); }, 0);
} else {
debug("Got unexpected load " + n);
ok(false, "Got unexpected load " + n);
}
}
var expectedPageshowNum = -1;
function childPageshow(n) {
if (n == expectedPageshowNum) {
debug("Got expected pageshow " + n);
expectedPageshowNum = -1;
ok(true, "Got expected pageshow " + n);
setTimeout(function() { gGen.next(); }, 0);
} else {
debug("Got pageshow " + n);
}
// Since a pageshow comes along with an onload, don't fail the test if we get
// an unexpected pageshow.
}
function waitForLoad(n) {
debug("Waiting for load " + n);
expectedLoadNum = n;
}
function waitForShow(n) {
debug("Waiting for show " + n);
expectedPageshowNum = n;
}
function* test() {
var popup = window.open("file_bfcache_plus_hash_1.html");
waitForLoad(1);
yield undefined;
popup.history.pushState("", "", "");
popup.location = "file_bfcache_plus_hash_2.html";
waitForLoad(2);
yield undefined;
// Now go back 2. The first page should be retrieved from bfcache.
popup.history.go(-2);
waitForShow(1);
yield undefined;
popup.close();
SimpleTest.finish();
}
var gGen = test();
gGen.next();
</script>
</pre>
</body>
</html>