зеркало из https://github.com/mozilla/gecko-dev.git
139 строки
3.7 KiB
HTML
139 строки
3.7 KiB
HTML
<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Test for DOM Worker Threads</title>
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<script type="text/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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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test">
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<iframe id="workerFrame" src="suspend_iframe.html" onload="subframeLoaded();">
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</iframe>
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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var iframe;
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var lastCount;
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var suspended = false;
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var resumed = false;
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var finished = false;
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var interval;
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var oldMessageCount;
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var waitCount = 0;
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function finishTest() {
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if (finished) {
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return;
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}
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finished = true;
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SpecialPowers.flushPrefEnv(function () {
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iframe.terminateWorker();
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SimpleTest.finish();
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});
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}
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function waitInterval() {
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if (finished) {
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return;
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}
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is(String(iframe.location), "about:blank", "Wrong url!");
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is(suspended, true, "Not suspended?");
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is(resumed, false, "Already resumed?!");
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is(lastCount, oldMessageCount, "Received a message while suspended!");
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if (++waitCount == 5) {
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clearInterval(interval);
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resumed = true;
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iframe.history.back();
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}
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}
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function badOnloadCallback() {
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if (finished) {
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return;
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}
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ok(false, "We don't want suspend_iframe.html to fire a new load event, we want it to come out of the bfcache!");
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finishTest();
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}
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function suspendCallback() {
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if (finished) {
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return;
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}
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is(String(iframe.location), "about:blank", "Wrong url!");
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is(suspended, false, "Already suspended?");
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is(resumed, false, "Already resumed?");
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SpecialPowers.popPrefEnv(function () {
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suspended = true;
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var iframeElement = document.getElementById("workerFrame");
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iframeElement.onload = badOnloadCallback;
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oldMessageCount = lastCount;
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interval = setInterval(waitInterval, 1000);
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});
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}
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function messageCallback(data) {
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if (finished) {
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return;
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}
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if (!suspended) {
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ok(lastCount === undefined || lastCount == data - 1,
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"Got good data, lastCount = " + lastCount + ", data = " + data);
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lastCount = data;
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if (lastCount == 25) {
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SpecialPowers.pushPrefEnv({"set": [["browser.sessionhistory.cache_subframes", true]]}, function () {
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iframe.location = "about:blank";
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// We want suspend_iframe.html to go into bfcache, so we need to flush
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// out all pending notifications. Otherwise, if they're flushed too
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// late, they could kick us out of the bfcache again.
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iframe.document.body.offsetTop;
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});
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}
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return;
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}
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var newLocation =
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window.location.toString().replace("test_suspend.html",
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"suspend_iframe.html");
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is(newLocation.indexOf(iframe.location.toString()), 0, "Wrong url!");
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is(resumed, true, "Got message before resumed!");
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is(lastCount, data - 1, "Missed a message, suspend failed!");
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finishTest();
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}
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function errorCallback(data) {
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if (finished) {
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return;
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}
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ok(false, "Iframe had an error: '" + data + "'");
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finishTest();
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}
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function subframeLoaded() {
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if (finished) {
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return;
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}
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var iframeElement = document.getElementById("workerFrame");
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iframeElement.onload = suspendCallback;
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iframe = iframeElement.contentWindow;
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ok(iframe, "No iframe?!");
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iframe.startWorker(messageCallback, errorCallback);
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}
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</script>
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</pre>
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</body>
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</html>
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