1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/editor/libeditor/base/tests/test_bug502673.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
1.4 +<!DOCTYPE HTML>
1.5 +<!-- This Source Code Form is subject to the terms of the Mozilla Public
1.6 + - License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
1.8 +<html>
1.9 +<!--
1.10 +https://bugzilla.mozilla.org/show_bug.cgi?id=502673
1.11 +-->
1.12 +
1.13 +<head>
1.14 + <title>Test for Bug 502673</title>
1.15 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.16 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.17 + <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
1.18 +</head>
1.19 +
1.20 +<body onload="doTest();">
1.21 + <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=502673">Mozilla Bug 502673</a>
1.22 + <p id="display"></p>
1.23 + <div id="content" style="display: none">
1.24 + </div>
1.25 +
1.26 + <pre id="test">
1.27 + <script type="application/javascript">
1.28 +
1.29 + /** Test for Bug 502673 **/
1.30 +
1.31 + SimpleTest.waitForExplicitFinish();
1.32 +
1.33 + function listener() {
1.34 + }
1.35 +
1.36 + listener.prototype =
1.37 + {
1.38 + NotifyDocumentWillBeDestroyed: function () {
1.39 + if (this.input instanceof SpecialPowers.Ci.nsIDOMNSEditableElement) {
1.40 + var editor = SpecialPowers.wrap(this.input).editor;
1.41 + editor.removeDocumentStateListener(this);
1.42 + }
1.43 + },
1.44 +
1.45 + NotifyDocumentCreated: function () {
1.46 + },
1.47 +
1.48 + NotifyDocumentStateChanged: function (aNowDirty) {
1.49 + if (this.input instanceof SpecialPowers.Ci.nsIDOMNSEditableElement) {
1.50 + var editor = SpecialPowers.wrap(this.input).editor;
1.51 + editor.removeDocumentStateListener(this);
1.52 + }
1.53 + },
1.54 +
1.55 + QueryInterface: function(iid) {
1.56 + if (iid.equals(SpecialPowers.Ci.nsIDocumentStateListener) ||
1.57 + iid.equals(SpecialPowers.Ci.nsISupports))
1.58 + return this;
1.59 + throw SpecialPowers.Cr.NS_ERROR_NO_INTERFACE;
1.60 + },
1.61 + };
1.62 +
1.63 + function doTest() {
1.64 + var input = document.getElementById("ip");
1.65 + if (input instanceof SpecialPowers.Ci.nsIDOMNSEditableElement) {
1.66 + // Add multiple listeners to the same editor
1.67 + var editor = SpecialPowers.wrap(input).editor;
1.68 + var listener1 = new listener();
1.69 + listener1.input = input;
1.70 + var listener2 = new listener();
1.71 + listener2.input = input;
1.72 + var listener3 = new listener();
1.73 + listener3.input = input;
1.74 + editor.addDocumentStateListener(listener1);
1.75 + editor.addDocumentStateListener(listener2);
1.76 + editor.addDocumentStateListener(listener3);
1.77 +
1.78 + // Test 1. Fire NotifyDocumentStateChanged notifications where the
1.79 + // listeners remove themselves
1.80 + input.value = "mozilla";
1.81 + editor.undo(1);
1.82 +
1.83 + // Report success if we get here - clearly we didn't crash
1.84 + ok(true, "Multiple listeners removed themselves after " +
1.85 + "NotifyDocumentStateChanged notifications - didn't crash");
1.86 +
1.87 + // Add the listeners again for the next test
1.88 + editor.addDocumentStateListener(listener1);
1.89 + editor.addDocumentStateListener(listener2);
1.90 + editor.addDocumentStateListener(listener3);
1.91 +
1.92 + }
1.93 +
1.94 + // Test 2. Fire NotifyDocumentWillBeDestroyed notifications where the
1.95 + // listeners remove themselves (though in the real world, listeners
1.96 + // shouldn't do this as nsEditor::PreDestroy removes them as
1.97 + // listeners anyway)
1.98 + document.body.removeChild(input);
1.99 + ok(true, "Multiple listeners removed themselves after " +
1.100 + "NotifyDocumentWillBeDestroyed notifications - didn't crash");
1.101 +
1.102 + // TODO: Test for NotifyDocumentCreated
1.103 +
1.104 + SimpleTest.finish();
1.105 + }
1.106 + </script>
1.107 + </pre>
1.108 +
1.109 + <input type="text" id="ip" />
1.110 +</body>
1.111 +</html>
