зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
3.7 KiB
HTML
109 строки
3.7 KiB
HTML
<!DOCTYPE HTML>
|
|
<!-- This Source Code Form is subject to the terms of the Mozilla Public
|
|
- License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
|
|
<html>
|
|
<!--
|
|
https://bugzilla.mozilla.org/show_bug.cgi?id=502673
|
|
-->
|
|
|
|
<head>
|
|
<title>Test for Bug 502673</title>
|
|
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
|
|
<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
|
|
</head>
|
|
|
|
<body onload="doTest();">
|
|
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=502673">Mozilla Bug 502673</a>
|
|
<p id="display"></p>
|
|
<div id="content" style="display: none">
|
|
</div>
|
|
|
|
<pre id="test">
|
|
<script type="application/javascript">
|
|
|
|
/** Test for Bug 502673 **/
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
|
|
function listener() {
|
|
}
|
|
|
|
listener.prototype =
|
|
{
|
|
NotifyDocumentWillBeDestroyed: function () {
|
|
if (this.input instanceof SpecialPowers.Ci.nsIDOMNSEditableElement) {
|
|
var editor = SpecialPowers.wrap(this.input).editor;
|
|
editor.removeDocumentStateListener(this);
|
|
}
|
|
},
|
|
|
|
NotifyDocumentCreated: function () {
|
|
},
|
|
|
|
NotifyDocumentStateChanged: function (aNowDirty) {
|
|
if (this.input instanceof SpecialPowers.Ci.nsIDOMNSEditableElement) {
|
|
var editor = SpecialPowers.wrap(this.input).editor;
|
|
editor.removeDocumentStateListener(this);
|
|
}
|
|
},
|
|
|
|
QueryInterface: SpecialPowers.wrapCallback(function(iid) {
|
|
if (iid.equals(SpecialPowers.Ci.nsIDocumentStateListener) ||
|
|
iid.equals(SpecialPowers.Ci.nsISupports))
|
|
return this;
|
|
throw SpecialPowers.Cr.NS_ERROR_NO_INTERFACE;
|
|
}),
|
|
};
|
|
|
|
function doTest() {
|
|
var input = document.getElementById("ip");
|
|
if (input instanceof SpecialPowers.Ci.nsIDOMNSEditableElement) {
|
|
// Add multiple listeners to the same editor
|
|
var editor = SpecialPowers.wrap(input).editor;
|
|
var listener1 = new listener();
|
|
listener1.input = input;
|
|
var listener2 = new listener();
|
|
listener2.input = input;
|
|
var listener3 = new listener();
|
|
listener3.input = input;
|
|
editor.addDocumentStateListener(listener1);
|
|
editor.addDocumentStateListener(listener2);
|
|
editor.addDocumentStateListener(listener3);
|
|
|
|
// Test 1. Fire NotifyDocumentStateChanged notifications where the
|
|
// listeners remove themselves
|
|
input.value = "mozilla";
|
|
editor.undo(1);
|
|
|
|
// Report success if we get here - clearly we didn't crash
|
|
ok(true, "Multiple listeners removed themselves after " +
|
|
"NotifyDocumentStateChanged notifications - didn't crash");
|
|
|
|
// Add the listeners again for the next test
|
|
editor.addDocumentStateListener(listener1);
|
|
editor.addDocumentStateListener(listener2);
|
|
editor.addDocumentStateListener(listener3);
|
|
|
|
}
|
|
|
|
// Test 2. Fire NotifyDocumentWillBeDestroyed notifications where the
|
|
// listeners remove themselves (though in the real world, listeners
|
|
// shouldn't do this as nsEditor::PreDestroy removes them as
|
|
// listeners anyway)
|
|
document.body.removeChild(input);
|
|
ok(true, "Multiple listeners removed themselves after " +
|
|
"NotifyDocumentWillBeDestroyed notifications - didn't crash");
|
|
|
|
// TODO: Test for NotifyDocumentCreated
|
|
|
|
SimpleTest.finish();
|
|
}
|
|
</script>
|
|
</pre>
|
|
|
|
<input type="text" id="ip" />
|
|
</body>
|
|
</html>
|