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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1068979
+-->
+<head>
+ <title>Test for Bug 1068979</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1068979">Mozilla Bug 1068979</a>
+<p id="display"></p>
+<div id="content">
+ <div id="editor1" contenteditable="true">&#x1d400;</div>
+ <div id="editor2" contenteditable="true">a<u>&#x1d401;</u>b</div>
+ <div id="editor3" contenteditable="true">a&#x1d402;<u>b</u></div>
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 1068979 **/
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(function() {
+ // Test backspacing over SMP characters pasted-in to a contentEditable
+ getSelection().selectAllChildren(document.getElementById("editor1"));
+ var ed1 = document.getElementById("editor1");
+ var ch1 = ed1.textContent;
+ ed1.focus();
+ synthesizeKey("C", {accelKey: true});
+ synthesizeKey("V", {accelKey: true});
+ synthesizeKey("V", {accelKey: true});
+ synthesizeKey("V", {accelKey: true});
+ synthesizeKey("V", {accelKey: true});
+ is(ed1.textContent, ch1 + ch1 + ch1 + ch1, "Should have four SMP characters");
+ sendKey("back_space");
+ is(ed1.textContent, ch1 + ch1 + ch1, "Three complete characters should remain");
+ sendKey("back_space");
+ is(ed1.textContent, ch1 + ch1, "Two complete characters should remain");
+ sendKey("back_space");
+ is(ed1.textContent, ch1, "Only one complete SMP character should remain");
+ ed1.blur();
+
+ // Test backspacing across an SMP character in a sub-element
+ getSelection().selectAllChildren(document.getElementById("editor2"));
+ var ed2 = document.getElementById("editor2");
+ ed2.focus();
+ sendKey("right");
+ sendKey("back_space");
+ sendKey("back_space");
+ is(ed2.textContent, "a", "Only the 'a' should remain");
+ ed2.blur();
+
+ // Test backspacing across an SMP character from a following sub-element
+ getSelection().selectAllChildren(document.getElementById("editor3"));
+ var ed3 = document.getElementById("editor3");
+ ed3.focus();
+ sendKey("right");
+ sendKey("left");
+ sendKey("back_space");
+ is(ed3.textContent, "ab", "The letters 'ab' should remain");
+ ed3.blur();
+
+ SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>