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diff --git a/docshell/test/mochitest/test_bug385434.html b/docshell/test/mochitest/test_bug385434.html new file mode 100644 index 0000000000..bc82de9daf --- /dev/null +++ b/docshell/test/mochitest/test_bug385434.html @@ -0,0 +1,211 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=385434 +--> +<head> + <title>Test for Bug 385434</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/EventUtils.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=385434">Mozilla Bug 385434</a> +<p id="display"></p> +<div id="content"> + <iframe id="frame" style="height:100px; width:100px; border:0"></iframe> + <div id="status" style="display: none"></div> +</div> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 385434 */ +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestFlakyTimeout("untriaged"); +SimpleTest.expectAssertions(0, 1); // bug 1333702 + +var gNumHashchanges = 0; +var gCallbackOnIframeLoad = false; +var gSampleEvent; + +function statusMsg(msg) { + var msgElem = document.createElement("p"); + msgElem.appendChild(document.createTextNode(msg)); + + document.getElementById("status").appendChild(msgElem); +} + +function longWait() { + setTimeout(function() { gGen.next(); }, 1000); +} + +// onIframeHashchange, onIframeLoad, and onIframeScroll are all called by the +// content we load into our iframe in order to notify the parent frame of an +// event which was fired. +function onIframeHashchange() { + gNumHashchanges++; + gGen.next(); +} + +function onIframeLoad() { + if (gCallbackOnIframeLoad) { + gCallbackOnIframeLoad = false; + gGen.next(); + } +} + +function onIframeScroll() { + is(gNumHashchanges, 0, "onscroll should fire before onhashchange."); +} + +function enableIframeLoadCallback() { + gCallbackOnIframeLoad = true; +} + +function noEventExpected(msg) { + is(gNumHashchanges, 0, msg); + + // Even if there's an error, set gNumHashchanges to 0 so other tests don't + // fail. + gNumHashchanges = 0; +} + +function eventExpected(msg) { + is(gNumHashchanges, 1, msg); + + // Eat up this event, whether the test above was true or not + gNumHashchanges = 0; +} + +/* + * The hashchange event is dispatched asynchronously, so if we want to observe + * it, we have to yield within run_test(), transferring control back to the + * event loop. + * + * When we're expecting our iframe to observe a hashchange event after we poke + * it, we just yield and wait for onIframeHashchange() to call gGen.next() and + * wake us up. + * + * When we're testing to ensure that the iframe doesn't dispatch a hashchange + * event, we try to hook onto the iframe's load event. We call + * enableIframeLoadCallback(), which causes onIframeLoad() to call gGen.next() + * upon the next observed load. After we get our callback, we check that a + * hashchange didn't occur. + * + * We can't always just wait for page load in order to observe that a + * hashchange didn't happen. In these cases, we call longWait() and yield + * until either a hashchange occurs or longWait's callback is scheduled. This + * is something of a hack; it's entirely possible that longWait won't wait long + * enough, and we won't observe what should have been a failure of the test. + * But it shouldn't happen that good code will randomly *fail* this test. + */ +function* run_test() { + /* + * TEST 1 tests that: + * <body onhashchange = ... > works, + * the event is (not) fired at the correct times + */ + var frame = document.getElementById("frame"); + var frameCw = frame.contentWindow; + + enableIframeLoadCallback(); + frameCw.document.location = "file_bug385434_1.html"; + // Wait for the iframe to load and for our callback to fire + yield undefined; + + noEventExpected("No hashchange expected initially."); + + sendMouseEvent({type: "click"}, "link1", frameCw); + yield undefined; + eventExpected("Clicking link1 should trigger a hashchange."); + + sendMouseEvent({type: "click"}, "link1", frameCw); + longWait(); + yield undefined; + // succeed if a hashchange event wasn't triggered while we were waiting + noEventExpected("Clicking link1 again should not trigger a hashchange."); + + sendMouseEvent({type: "click"}, "link2", frameCw); + yield undefined; + eventExpected("Clicking link2 should trigger a hashchange."); + + frameCw.history.go(-1); + yield undefined; + eventExpected("Going back should trigger a hashchange."); + + frameCw.history.go(1); + yield undefined; + eventExpected("Going forward should trigger a hashchange."); + + // window.location has a trailing '#' right now, so we append "link1", not + // "#link1". + frameCw.window.location = frameCw.window.location + "link1"; + yield undefined; + eventExpected("Assigning to window.location should trigger a hashchange."); + + // Set up history in the iframe which looks like: + // file_bug385434_1.html#link1 + // file_bug385434_2.html + // file_bug385434_1.html#foo <-- current page + enableIframeLoadCallback(); + frameCw.window.location = "file_bug385434_2.html"; + yield undefined; + + enableIframeLoadCallback(); + frameCw.window.location = "file_bug385434_1.html#foo"; + yield undefined; + + // Now when we do history.go(-2) on the frame, it *shouldn't* fire a + // hashchange. Although the URIs differ only by their hashes, they belong to + // two different Documents. + frameCw.history.go(-2); + longWait(); + yield undefined; + noEventExpected("Moving between different Documents shouldn't " + + "trigger a hashchange."); + + /* + * TEST 2 tests that: + * <frameset onhashchange = ... > works, + * the event is targeted at the window object + * the event's cancelable, bubbles settings are correct + */ + + enableIframeLoadCallback(); + frameCw.document.location = "file_bug385434_2.html"; + yield undefined; + + frameCw.document.location = "file_bug385434_2.html#foo"; + yield undefined; + + eventExpected("frame onhashchange should fire events."); + // iframe should set gSampleEvent + is(gSampleEvent.target, frameCw, + "The hashchange event should be targeted to the window."); + is(gSampleEvent.type, "hashchange", + "Event type should be 'hashchange'."); + is(gSampleEvent.cancelable, false, + "The hashchange event shouldn't be cancelable."); + is(gSampleEvent.bubbles, false, + "The hashchange event should not bubble."); + + /* + * TEST 3 tests that: + * hashchange is dispatched if the current document readyState is + * not "complete" (bug 504837). + */ + frameCw.document.location = "file_bug385434_3.html"; + yield undefined; + eventExpected("Hashchange should fire even if the document " + + "hasn't finished loading."); + + SimpleTest.finish(); +} + +var gGen = run_test(); +gGen.next(); + +</script> +</pre> +</body> +</html> |