gecko/editor/libeditor/base/tests/test_bug502673.html

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<!DOCTYPE HTML>
<!-- ***** BEGIN LICENSE BLOCK *****
- Version: MPL 1.1/GPL 2.0/LGPL 2.1
-
- The contents of this file are subject to the Mozilla Public License Version
- 1.1 (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
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- Software distributed under the License is distributed on an "AS IS" basis,
- WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- for the specific language governing rights and limitations under the
- License.
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- The Original Code is Editor Test code
-
- The Initial Developer of the Original Code is
- Graeme McCutcheon <graememcc_firefox@graeme-online.co.uk>.
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- the Initial Developer. All Rights Reserved.
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- Contributor(s):
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- the provisions above, a recipient may use your version of this file under
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-
- ***** END LICENSE BLOCK ***** -->
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=502673
-->
<head>
<title>Test for Bug 502673</head>
<script type="application/javascript" src="/MochiKit/packed.js"></script>
<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 () {
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
if (this.input instanceof
Components.interfaces.nsIDOMNSEditableElement) {
var editor = this.input.editor;
editor.removeDocumentStateListener(this);
}
},
NotifyDocumentCreated: function () {
},
NotifyDocumentStateChanged: function (aNowDirty) {
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
if (this.input instanceof
Components.interfaces.nsIDOMNSEditableElement) {
var editor = this.input.editor;
editor.removeDocumentStateListener(this);
}
},
QueryInterface: function(iid) {
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
if (iid.equals(Components.interfaces.nsIDocumentStateListener) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
};
function doTest() {
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var input = document.getElementById("ip");
if (input instanceof Components.interfaces.nsIDOMNSEditableElement) {
// Add multiple listeners to the same editor
var editor = 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>