зеркало из https://github.com/mozilla/gecko-dev.git
113 строки
4.3 KiB
HTML
113 строки
4.3 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=517851
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-->
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<head>
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<title>Test for Bug 517851</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=517851">Mozilla Bug 517851</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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<iframe id="subframe"></iframe>
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 517851 **/
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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window.handledCount = 0;
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window.testReturnValue = false;
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var target = document.createElement("div");
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var target2 = $("subframe").contentDocument.body;
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target.setAttribute("onerror", "++window.handledCount; return window.testReturnValue;");
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target.setAttribute("onmouseover", "++window.handledCount; return window.testReturnValue;");
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target.setAttribute("onbeforeunload", "++window.handledCount; return window.testReturnValue;");
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target2.setAttribute("onbeforeunload", "++window.parent.handledCount; return window.parent.testReturnValue;");
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target.setAttribute("onmousemove", "++window.handledCount; return window.testReturnValue;");
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var e = document.createEvent("Event");
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e.initEvent("error", true, true);
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window.testReturnValue = false;
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is(target.dispatchEvent(e), !window.testReturnValue,
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"error event should have reverse return value handling!");
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is(handledCount, 1, "Wrong event count!");
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window.testReturnValue = true;
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is(target.dispatchEvent(e), !window.testReturnValue,
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"error event should have reverse return value handling (2)!");
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is(handledCount, 2, "Wrong event count!");
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e = document.createEvent("MouseEvent");
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e.initEvent("mouseover", true, true);
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window.testReturnValue = false;
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is(target.dispatchEvent(e), !window.testReturnValue,
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"mouseover event should have reverse return value handling!");
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is(handledCount, 3, "Wrong event count!");
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window.testReturnValue = true;
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is(target.dispatchEvent(e), !window.testReturnValue,
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"mouseover event should have reverse return value handling (2)!");
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is(handledCount, 4, "Wrong event count!");
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e = document.createEvent("BeforeUnloadEvent");
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e.initEvent("beforeunload", true, true);
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window.testReturnValue = true;
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is(target.dispatchEvent(e), true,
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"beforeunload event on random element should not be prevented!");
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is(handledCount, 4, "Wrong event count; handler should not have run!");
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is(target2.dispatchEvent(e), false,
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"beforeunload event should be prevented!");
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is(handledCount, 5, "Wrong event count!");
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window.testReturnValue = false;
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is(target.dispatchEvent(e), false,
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"beforeunload event on random element should be prevented because the event was already cancelled!");
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is(handledCount, 5, "Wrong event count; handler should not have run! (2)");
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e = document.createEvent("BeforeUnloadEvent");
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e.initEvent("beforeunload", true, true);
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window.testReturnValue = false;
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is(target.dispatchEvent(e), true,
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"beforeunload event on random element should not be prevented (2)!");
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is(handledCount, 5, "Wrong event count; handler should not have run! (2)");
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is(target2.dispatchEvent(e), false,
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"beforeunload event should be prevented (2)!");
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is(handledCount, 6, "Wrong event count!");
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// Create normal event for beforeunload.
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e = document.createEvent("Event");
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e.initEvent("beforeunload", true, true);
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window.testReturnValue = true;
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is(target.dispatchEvent(e), true,
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"beforeunload event shouldn't be prevented (3)!");
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is(handledCount, 6, "Wrong event count: handler should not have run(3)!");
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is(target2.dispatchEvent(e), true,
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"beforeunload event shouldn't be prevented (3)!");
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is(handledCount, 7, "Wrong event count!");
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e = document.createEvent("MouseEvent");
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e.initEvent("mousemove", true, true);
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window.testReturnValue = true;
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is(target.dispatchEvent(e), window.testReturnValue,
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"mousemove event shouldn't have reverse return value handling!");
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is(handledCount, 8, "Wrong event count!");
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window.testReturnValue = false;
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is(target.dispatchEvent(e), window.testReturnValue,
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"mousemove event shouldn't have reverse return value handling (2)!");
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is(handledCount, 9, "Wrong event count!");
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// Now unhook the beforeunload handler in the subframe, so we don't prompt to
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// unload.
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target2.onbeforeunload = null;
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SimpleTest.finish();
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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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