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<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 332636</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=332636">Mozilla Bug 332636</a>
<p id="display"></p>
<div id="content">
<div id="edit0" contenteditable="true">axb</div><!-- reference: plane 0 base character -->
<div id="edit1" contenteditable="true">a&#x0308;b</div><!-- reference: plane 0 diacritic -->
<div id="edit2" contenteditable="true">a&#x10400;b</div><!-- plane 1 base character -->
<div id="edit3" contenteditable="true">a&#x10a0f;b</div><!-- plane 1 diacritic -->
<div id="edit0b" contenteditable="true">axb</div><!-- reference: plane 0 base character -->
<div id="edit1b" contenteditable="true">a&#x0308;b</div><!-- reference: plane 0 diacritic -->
<div id="edit2b" contenteditable="true">a&#x10400;b</div><!-- plane 1 base character -->
<div id="edit3b" contenteditable="true">a&#x10a0f;b</div><!-- plane 1 diacritic -->
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 332636 **/
SimpleTest.waitForExplicitFinish();
addLoadEvent(runTest);
function test(edit) {
edit.focus();
var sel = window.getSelection();
sel.collapse(edit.childNodes[0], edit.textContent.length - 1);
synthesizeKey("KEY_Backspace");
is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
}
function testWithMove(edit, offset) {
edit.focus();
var sel = window.getSelection();
sel.collapse(edit.childNodes[0], 0);
var i;
for (i = 0; i < offset; ++i) {
synthesizeKey("KEY_ArrowRight");
synthesizeKey("KEY_ArrowLeft");
synthesizeKey("KEY_ArrowRight");
}
synthesizeKey("KEY_Backspace");
is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
}
function runTest() {
/* test backspace-deletion of the middle character */
test(document.getElementById("edit0"));
test(document.getElementById("edit1"));
test(document.getElementById("edit2"));
test(document.getElementById("edit3"));
/* extra tests with the use of RIGHT and LEFT to get to the right place */
testWithMove(document.getElementById("edit0b"), 2);
testWithMove(document.getElementById("edit1b"), 1);
testWithMove(document.getElementById("edit2b"), 2);
testWithMove(document.getElementById("edit3b"), 1);
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>