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1 files changed, 61 insertions, 0 deletions
diff --git a/toolkit/content/tests/chrome/test_bug360220.xhtml b/toolkit/content/tests/chrome/test_bug360220.xhtml
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+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=360220
+-->
+<window title="Mozilla Bug 360220"
+ xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+ <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+
+<body xmlns="http://www.w3.org/1999/xhtml">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=360220">Mozilla Bug 360220</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+
+<menulist id="menulist">
+ <menupopup>
+ <menuitem id="firstItem" label="foo" selected="true"/>
+ <menuitem id="secondItem" label="bar"/>
+ </menupopup>
+</menulist>
+<script class="testbody" type="application/javascript">
+<![CDATA[
+
+SimpleTest.waitForExplicitFinish();
+
+/** Test for Bug 360220 **/
+
+var menulist = document.getElementById("menulist");
+var secondItem = document.getElementById("secondItem");
+menulist.selectedItem = secondItem;
+
+is(menulist.label, "bar", "second item was not selected");
+
+let mutObserver = new MutationObserver(() => {
+ is(menulist.label, "new label", "menulist label was not updated to the label of its selected item");
+ done();
+});
+mutObserver.observe(menulist, { attributeFilter: ['label'] });
+secondItem.label = "new label";
+
+let failureTimeout = setTimeout(function() {
+ ok(false, "menulist label should have updated");
+ done();
+}, 2000);
+
+function done() {
+ mutObserver.disconnect();
+ clearTimeout(failureTimeout);
+ SimpleTest.finish();
+}
+]]>
+</script>
+
+</window>