зеркало из https://github.com/mozilla/gecko-dev.git
62 строки
1.7 KiB
HTML
62 строки
1.7 KiB
HTML
<?xml version="1.0"?>
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<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
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<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=360220
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-->
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<window title="Mozilla Bug 360220"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<body xmlns="http://www.w3.org/1999/xhtml">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=360220">Mozilla Bug 360220</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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</body>
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<menulist id="menulist">
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<menupopup>
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<menuitem id="firstItem" label="foo" selected="true"/>
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<menuitem id="secondItem" label="bar"/>
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</menupopup>
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</menulist>
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<script class="testbody" type="application/javascript">
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<![CDATA[
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SimpleTest.waitForExplicitFinish();
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/** Test for Bug 360220 **/
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var menulist = document.getElementById("menulist");
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var secondItem = document.getElementById("secondItem");
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menulist.selectedItem = secondItem;
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is(menulist.label, "bar", "second item was not selected");
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let mutObserver = new MutationObserver(() => {
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is(menulist.label, "new label", "menulist label was not updated to the label of its selected item");
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done();
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});
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mutObserver.observe(menulist, { attributeFilter: ['label'] });
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secondItem.label = "new label";
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let failureTimeout = setTimeout(function() {
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ok(false, "menulist label should have updated");
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done();
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}, 2000);
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function done() {
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mutObserver.disconnect();
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clearTimeout(failureTimeout);
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SimpleTest.finish();
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}
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]]>
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</script>
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</window>
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