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20474e5ba7
We are white-listing the existing set of tests that use setTimeout like this. Hopefully these tests will be investigated and fixed in the future, so that we can narrow down the white-list. This check is only turned on for mochitest-plain for now.
210 lines
6.5 KiB
HTML
210 lines
6.5 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=385434
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-->
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<head>
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<title>Test for Bug 385434</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/EventUtils.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=385434">Mozilla Bug 385434</a>
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<p id="display"></p>
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<div id="content">
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<iframe id="frame" style="height:100px; width:100px; border:0"></iframe>
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<div id="status" style="display: none"></div>
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</div>
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<pre id="test">
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<script type="application/javascript;version=1.7">
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/** Test for Bug 385434 **/
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SimpleTest.waitForExplicitFinish();
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SimpleTest.requestFlakyTimeout("untriaged");
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var gNumHashchanges = 0;
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var gCallbackOnIframeLoad = false;
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function statusMsg(msg) {
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var msgElem = document.createElement("p");
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msgElem.appendChild(document.createTextNode(msg));
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document.getElementById("status").appendChild(msgElem);
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}
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function longWait() {
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setTimeout(function() { gGen.next() }, 1000);
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}
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// onIframeHashchange, onIframeLoad, and onIframeScroll are all called by the
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// content we load into our iframe in order to notify the parent frame of an
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// event which was fired.
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function onIframeHashchange() {
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gNumHashchanges++;
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gGen.next();
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}
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function onIframeLoad() {
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if (gCallbackOnIframeLoad) {
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gCallbackOnIframeLoad = false;
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gGen.next();
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}
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}
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function onIframeScroll() {
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is(gNumHashchanges, 0, "onscroll should fire before onhashchange.");
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}
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function enableIframeLoadCallback() {
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gCallbackOnIframeLoad = true;
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}
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function noEventExpected(msg) {
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is(gNumHashchanges, 0, msg);
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// Even if there's an error, set gNumHashchanges to 0 so other tests don't
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// fail.
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gNumHashchanges = 0;
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}
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function eventExpected(msg) {
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is(gNumHashchanges, 1, msg);
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// Eat up this event, whether the test above was true or not
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gNumHashchanges = 0;
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}
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/*
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* The hashchange event is dispatched asynchronously, so if we want to observe
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* it, we have to yield within run_test(), transferring control back to the
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* event loop.
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*
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* When we're expecting our iframe to observe a hashchange event after we poke
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* it, we just yield and wait for onIframeHashchange() to call gGen.next() and
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* wake us up.
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*
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* When we're testing to ensure that the iframe doesn't dispatch a hashchange
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* event, we try to hook onto the iframe's load event. We call
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* enableIframeLoadCallback(), which causes onIframeLoad() to call gGen.next()
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* upon the next observed load. After we get our callback, we check that a
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* hashchange didn't occur.
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*
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* We can't always just wait for page load in order to observe that a
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* hashchange didn't happen. In these cases, we call longWait() and yield
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* until either a hashchange occurs or longWait's callback is scheduled. This
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* is something of a hack; it's entirely possible that longWait won't wait long
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* enough, and we won't observe what should have been a failure of the test.
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* But it shouldn't happen that good code will randomly *fail* this test.
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*/
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function run_test() {
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/*
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* TEST 1 tests that:
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* <body onhashchange = ... > works,
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* the event is (not) fired at the correct times
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*/
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var frame = document.getElementById("frame");
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var frameCw = frame.contentWindow;
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enableIframeLoadCallback();
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frameCw.document.location = "file_bug385434_1.html";
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// Wait for the iframe to load and for our callback to fire
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yield undefined;
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noEventExpected("No hashchange expected initially.");
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sendMouseEvent({type: "click"}, "link1", frameCw);
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yield undefined;
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eventExpected("Clicking link1 should trigger a hashchange.");
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sendMouseEvent({type: "click"}, "link1", frameCw);
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longWait();
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yield undefined;
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// succeed if a hashchange event wasn't triggered while we were waiting
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noEventExpected("Clicking link1 again should not trigger a hashchange.");
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sendMouseEvent({type: "click"}, "link2", frameCw);
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yield undefined;
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eventExpected("Clicking link2 should trigger a hashchange.");
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frameCw.history.go(-1);
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yield undefined;
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eventExpected("Going back should trigger a hashchange.");
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frameCw.history.go(1);
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yield undefined;
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eventExpected("Going forward should trigger a hashchange.");
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// window.location has a trailing '#' right now, so we append "link1", not
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// "#link1".
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frameCw.window.location = frameCw.window.location + "link1";
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yield undefined;
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eventExpected("Assigning to window.location should trigger a hashchange.");
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// Set up history in the iframe which looks like:
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// file_bug385434_1.html#link1
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// file_bug385434_2.html
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// file_bug385434_1.html#foo <-- current page
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enableIframeLoadCallback();
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frameCw.window.location = "file_bug385434_2.html";
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yield undefined;
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enableIframeLoadCallback();
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frameCw.window.location = "file_bug385434_1.html#foo";
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yield undefined;
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// Now when we do history.go(-2) on the frame, it *shouldn't* fire a
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// hashchange. Although the URIs differ only by their hashes, they belong to
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// two different Documents.
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frameCw.history.go(-2);
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longWait();
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yield undefined;
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noEventExpected("Moving between different Documents shouldn't " +
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"trigger a hashchange.");
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/*
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* TEST 2 tests that:
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* <frameset onhashchange = ... > works,
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* the event is targeted at the window object
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* the event's cancelable, bubbles settings are correct
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*/
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enableIframeLoadCallback();
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frameCw.document.location = "file_bug385434_2.html";
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yield undefined;
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frameCw.document.location = "file_bug385434_2.html#foo";
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yield undefined;
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eventExpected("frame onhashchange should fire events.");
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// iframe should set gSampleEvent
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is(gSampleEvent.target, frameCw,
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"The hashchange event should be targeted to the window.");
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is(gSampleEvent.type, "hashchange",
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"Event type should be 'hashchange'.");
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is(gSampleEvent.cancelable, false,
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"The hashchange event shouldn't be cancelable.");
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is(gSampleEvent.bubbles, true,
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"The hashchange event should bubble.");
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/*
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* TEST 3 tests that:
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* hashchange is dispatched if the current document readyState is
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* not "complete" (bug 504837).
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*/
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frameCw.document.location = "file_bug385434_3.html";
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yield undefined;
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eventExpected("Hashchange should fire even if the document " +
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"hasn't finished loading.");
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SimpleTest.finish();
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yield undefined;
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}
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var gGen = run_test();
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gGen.next();
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</script>
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</pre>
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</body>
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</html>
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