зеркало из https://github.com/mozilla/gecko-dev.git
62 строки
1.8 KiB
HTML
62 строки
1.8 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=1127588
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-->
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<head>
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<script 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=1127588">Mozilla Bug 1127588</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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<script type="application/javascript">
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/** Test for Bug 1127588 **/
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SimpleTest.waitForExplicitFinish();
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window.onload = function () {
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let insertedEventCount = 0;
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let insertedListener = function() {
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insertedEventCount++;
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};
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let removedEventCount = 0;
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let removedListener = function() {
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removedEventCount++;
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};
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// Tests for no title element.
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document.addEventListener('DOMNodeRemoved', removedListener);
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document.addEventListener('DOMNodeInserted', insertedListener);
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document.title = "Test for Bug 1127588";
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document.removeEventListener('DOMNodeInserted', insertedListener);
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document.removeEventListener('DOMNodeRemoved', removedListener);
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// Check result.
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is(insertedEventCount, 2, "Should get 'DOMNodeInserted' mutation event");
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is(removedEventCount, 0, "Should not get 'DOMNodeRemoved' mutation event");
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// Test for updating title element.
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insertedEventCount = 0;
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removedEventCount = 0;
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document.addEventListener('DOMNodeRemoved', removedListener);
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document.addEventListener('DOMNodeInserted', insertedListener);
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document.title = document.title;
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document.removeEventListener('DOMNodeInserted', insertedListener);
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document.removeEventListener('DOMNodeRemoved', removedListener);
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// Check result.
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is(insertedEventCount, 1, "Should get 'DOMNodeInserted' mutation event");
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is(removedEventCount, 1, "Should get 'DOMNodeRemoved' mutation event");
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SimpleTest.finish();
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};
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</script>
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</body>
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</html>
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