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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1316302</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div contenteditable>
<blockquote><p>abc</p></blockquote>
</div>
<script type="application/javascript">
/** Test for Bug 1316302 **/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(() => {
var editor = document.getElementsByTagName("div")[0];
var blockquote = document.getElementsByTagName("blockquote")[0];
var selection = window.getSelection();
editor.focus();
// Try to remove the last character from the end of the <blockquote>
selection.collapse(blockquote, blockquote.childNodes.length);
var range = selection.getRangeAt(0);
ok(range.collapsed, "range should be collapsed at the end of <blockquote>");
is(range.startContainer, blockquote, "range should be collapsed in the <blockquote>");
is(range.startOffset, blockquote.childNodes.length, "range should be collapsed at the end");
synthesizeKey("KEY_Backspace");
is(blockquote.innerHTML, "<p>ab</p>", "Pressing Backspace key at the end of <blockquote> should remove the last character in the <p>");
// Try to remove the first character from the start of the <blockquote>
selection.collapse(blockquote, 0);
range = selection.getRangeAt(0);
ok(range.collapsed, "range should be collapsed at the start of <blockquote>");
is(range.startContainer, blockquote, "range should be collapsed in the <blockquote>");
is(range.startOffset, 0, "range should be collapsed at the start");
synthesizeKey("KEY_Delete");
is(blockquote.innerHTML, "<p>b</p>", "Pressing Delete key at the start of <blockquote> should remove the first character in the <p>");
SimpleTest.finish();
});
</script>
</body>
</html>