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Bug 1690938 - Change test_suspend.html to use BroadcastChannel, r=smaug
Differential Revision: https://phabricator.services.mozilla.com/D104260
This commit is contained in:
Anny Gakhokidze
parent
a211f9245e
commit
50de64dc3c
@ -96,6 +96,7 @@ support-files =
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script_createFile.js
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worker_suspended.js
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window_suspended.html
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suspend_blank.html
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!/dom/notification/test/mochitest/MockServices.js
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!/dom/notification/test/mochitest/NotificationTest.js
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!/dom/xhr/tests/relativeLoad_import.js
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23
dom/workers/test/suspend_blank.html
Normal file
23
dom/workers/test/suspend_blank.html
Normal file
@ -0,0 +1,23 @@
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<!DOCTYPE HTML>
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<script>
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var interval;
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var finish = false;
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var bc = new BroadcastChannel("suspendBlank");
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bc.onmessage = (msgEvent) => {
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var msg = msgEvent.data;
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var command = msg.command;
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if (command == "navigateBack") {
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finish = true;
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history.back();
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}
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}
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window.onpagehide = () => {
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bc.postMessage({command: "pagehide"});
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if (finish) {
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bc.close();
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}
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}
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window.onload = () => {
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bc.postMessage({command: "loaded"});
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}
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</script>
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@ -14,9 +14,40 @@
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<div id="output"></div>
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<script class="testbody" type="text/javascript">
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var output = document.getElementById("output");
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var worker;
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var finish = false;
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var bc = new BroadcastChannel("suspendWindow");
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bc.onmessage = (msgEvent) => {
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var msg = msgEvent.data;
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var command = msg.command;
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if (command == "startWorker") {
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startWorker();
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} else if (command == "navigate") {
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window.location = "suspend_blank.html";
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} else if (command == "finish") {
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finish = true;
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terminateWorker();
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bc.postMessage({command: "finished"});
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bc.close();
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window.close();
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}
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}
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function messageCallback(data) {
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if (finish) {
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return;
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}
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bc.postMessage({command: "messageCallback", data});
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}
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function errorCallback(msg) {
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if (finish) {
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return;
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}
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bc.postMessage({command: "errorCallback", data: msg});
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}
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var output = document.getElementById("output");
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function terminateWorker() {
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if (worker) {
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@ -25,7 +56,7 @@
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}
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}
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function startWorker(messageCallback, errorCallback) {
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function startWorker() {
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var lastData;
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worker = new Worker("suspend_worker.js");
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@ -41,6 +72,10 @@
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};
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}
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window.onload = () => {
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bc.postMessage({command: "loaded"});
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}
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</script>
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</pre>
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</body>
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@ -18,51 +18,89 @@
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SimpleTest.waitForExplicitFinish();
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const BLANK_URI = location.href.replace("test_suspend.html", "blank.html").split("?")[0];
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/**
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* - main page tells subpage to call startWorker()
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* - subpage starts worker
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* - worker calls setInterval() and keeps calling postMessage()
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* - onmessage(), as setup by the subpage, calls messageCallback
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* - when messageCallback gets called more than 25 times
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* - subpage gets navigated to blank.html
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* - blank page posts message to main page, and main page calls suspendCallback()
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* - suspendCallback() schedules waitInterval() to be fired off every second
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* - after 5 times, it clears the interval and navigates subpage back
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* - suspend_window subpage starts receiving messages again and
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* does a final call to messageCallback()
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* - finishTest() is called
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*/
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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 suspendBlankPageCurrentlyShowing = false;
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var interval;
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var oldMessageCount;
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var waitCount = 0;
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var testWin = window.open("suspend_window.html", "testWin");
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testWin.onload = testWinLoaded;
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window.addEventListener("message", msg => {
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if (suspended) {
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badOnloadCallback();
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} else {
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suspendCallback();
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var bcSuspendWindow = new BroadcastChannel("suspendWindow");
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bcSuspendWindow.onmessage = (msgEvent) => {
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var msg = msgEvent.data;
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var command = msg.command;
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var data = msg.data;
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if (command == "loaded") {
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if (finished) {
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return;
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}
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bcSuspendWindow.postMessage({command: "startWorker"});
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} else if (command == "messageCallback") {
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messageCallback(data);
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} else if (command == "errorCallback") {
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errorCallback(data);
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} else if (command == "finished") {
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SimpleTest.finish();
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}
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})
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}
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var bcSuspendBlank = new BroadcastChannel("suspendBlank");
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bcSuspendBlank.onmessage = (msgEvent) => {
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var msg = msgEvent.data;
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var command = msg.command;
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if (command == "loaded") {
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suspendBlankPageCurrentlyShowing = true;
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if (suspended) {
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badOnloadCallback();
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} else {
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suspendCallback();
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}
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} else if (command == "pagehide") {
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suspendBlankPageCurrentlyShowing = false;
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}
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}
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window.open("suspend_window.html", "testWin", "noopener");
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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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testWin.terminateWorker();
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testWin.close();
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SimpleTest.finish();
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bcSuspendWindow.postMessage({command: "finish"});
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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(testWin.location.href, BLANK_URI, "Wrong url!");
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ok(suspendBlankPageCurrentlyShowing, "correct page is showing");
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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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testWin.history.back();
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bcSuspendBlank.postMessage({command: "navigateBack"});
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}
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}
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@ -78,7 +116,7 @@
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if (finished) {
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return;
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}
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is(testWin.location.href, BLANK_URI, "Wrong url!");
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ok(suspendBlankPageCurrentlyShowing, "correct page is showing");
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is(suspended, false, "Already suspended?");
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is(resumed, false, "Already resumed?");
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suspended = true;
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@ -96,18 +134,12 @@
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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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testWin.location = "blank.html";
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// We want suspend_window.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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testWin.document.body.offsetTop;
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bcSuspendWindow.postMessage({command: "navigate"});
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}
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return;
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}
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var newLocation = location.href.replace("test_suspend.html",
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"suspend_window.html");
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is(testWin.location.href, newLocation.split("?")[0], "Wrong url!");
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ok(!suspendBlankPageCurrentlyShowing, "correct page is showing");
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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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@ -121,13 +153,6 @@
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finishTest();
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}
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function testWinLoaded() {
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if (finished) {
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return;
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}
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testWin.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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