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Such messages happen intermittently on Android, presumably from bfcache being purged due to memory pressure (which would then cause the back() operation behave like a fresh load). So on Android, we'll now treat these redundant messages as a "todo()" failure, to indicate that something went wrong but avoid turning the testsuite orange. MozReview-Commit-ID: GkaxB06vL7q --HG-- extra : rebase_source : 64c0c0a41452d573062774b2300a26aad179b309
90 lines
2.6 KiB
HTML
90 lines
2.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=607529
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-->
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<head>
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<title>Test for Bug 607529</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=607529">Mozilla Bug 607529</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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/* General idea: Open a new window (needed because we don't bfcache
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subframes) that uses requestAnimationFrame, navigate it, navigate it
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back, and verify that the animations are still running. */
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var doneOneLoad = false;
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var done = false;
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/** Test for Bug 607529 **/
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function closeWindowAndFinish() {
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w.close();
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window.onmessage = null;
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SimpleTest.finish();
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}
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window.onmessage = function(e) {
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isnot(e.data, "notcached", "Should never end up not being cached");
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if (e.data == "loaded") {
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if (!doneOneLoad) {
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doneOneLoad = true;
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w.location = "file_bug607529-1.html";
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} else {
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// This is unexpected, but it can happen on Android, probably when
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// bfcache gets purged due to memory pressure. Hence, "soft fail" there.
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var message = "onload handler shouldn't fire on restore from bfcache";
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if (navigator.appVersion.includes("Android")) {
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todo(false, message);
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} else {
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ok(false, message);
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}
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// In any case, more messages aren't coming, so finish up.
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closeWindowAndFinish();
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}
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}
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else if (e.data == "goback") {
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w.history.back();
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}
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else if (e.data == "revived") {
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w.postMessage("report", "*");
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}
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else if (e.data == "callbackHappened") {
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// We might get this message more than once, if the other page queues up
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// more than one callbackHappened message before we manage to close it.
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// Protect against calling SimpleTest.finish() more than once.
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if (!done) {
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closeWindowAndFinish();
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done = true;
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}
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} else {
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try {
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var msg = JSON.parse(e.data);
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} catch (ex) {
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// In case JSON.parse throws, we pause to print the string that it
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// choked on, and then resume throwing the exception.
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ok(false, "JSON.parse threw, when passed string '" + e.data + "'");
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throw ex;
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}
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if (msg.error) {
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window.onerror(msg.msg, msg.url, msg.line);
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}
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}
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};
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var w = window.open("file_bug607529.html");
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</script>
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</pre>
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</body>
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</html>
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