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<html>
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<head>
<title>Test for Bug 471319</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body onload="doTest();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=471319">Mozilla Bug 471319</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 471319 **/
SimpleTest.waitForExplicitFinish();
function doTest() {
let t1 = SpecialPowers.wrap($("t1"));
// Test 1: Undo on an empty editor - the editor should not forget about
// the padding <br> element for empty editor.
let t1Editor = t1.editor;
// Did the editor recognize the new padding <br> element?
t1Editor.undo(1);
ok(!t1.value, "<br> still recognized as padding on undo");
// Test 2: Redo on an empty editor - the editor should not forget about
// the padding <br> element for empty editor.
let t2 = SpecialPowers.wrap($("t2"));
let t2Editor = t2.editor;
// Did the editor recognize the new padding <br> element?
t2Editor.redo(1);
ok(!t2.value, "<br> still recognized as padding on redo");
// Test 3: Undoing a batched transaction where both end points of the
// transaction are the padding <br> element for empty editor - the
// <br> element should still be recognized as padding.
t1Editor.transactionManager.beginBatch(null);
t1.value = "mozilla";
t1.value = "";
t1Editor.transactionManager.endBatch(false);
t1Editor.undo(1);
ok(!t1.value,
"recreated <br> from undo transaction recognized as padding");
// Test 4: Redoing a batched transaction where both end points of the
// transaction are the padding <br> element for empty editor - the
// <br> element should still be recognized padding.
t1Editor.redo(1);
ok(!t1.value,
"recreated <br> from redo transaction recognized as padding");
SimpleTest.finish();
}
</script>
</pre>
<input type="text" id="t1" />
<input type="text" id="t2" />
</body>
</html>