1 files changed, 78 insertions, 0 deletions
diff --git a/editor/libeditor/tests/test_bug1101392.html b/editor/libeditor/tests/test_bug1101392.html
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index 0000000000..76917203be
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+++ b/editor/libeditor/tests/test_bug1101392.html
@@ -0,0 +1,78 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1101392
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1101392</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+
+  /** Test for Bug 1101392 **/
+  SimpleTest.waitForExplicitFinish();
+  SimpleTest.waitForFocus(runTests);
+
+  function runCopyCommand(element, compareText, nextTest)
+  {
+    element.focus();
+    var expectedEndpoint, sel;
+    if (element.localName == "textarea") {
+      element.select();
+      expectedEndpoint = element.selectionEnd;
+    } else {
+      sel = getSelection();
+      sel.selectAllChildren(element.parentNode);
+      expectedEndpoint = [sel.getRangeAt(0).endContainer,
+                          sel.getRangeAt(0).endOffset];
+    }
+
+    function checkCollapse() {
+      var desc = " after cmd_copyAndCollapseToEnd for " +
+                 element.localName;
+      if (element.localName == "textarea") {
+        is(element.selectionStart, expectedEndpoint, "start offset" + desc);
+        is(element.selectionEnd, expectedEndpoint, "end offset" + desc);
+      } else {
+        is(sel.isCollapsed, true, "collapsed" + desc);
+        is(sel.anchorNode, expectedEndpoint[0], "node" + desc);
+        is(sel.anchorOffset, expectedEndpoint[1], "offset" + desc);
+      }
+
+      nextTest();
+    }
+
+    SimpleTest.waitForClipboard(compareText,
+        () => SpecialPowers.doCommand(window, "cmd_copyAndCollapseToEnd"),
+        checkCollapse, checkCollapse);
+  }
+
+  function testDiv()
+  {
+    var content = document.getElementById("content");
+    runCopyCommand(content, 'abc', testTextarea);
+  }
+
+  function testTextarea()
+  {
+    var textarea = document.getElementById("textarea");
+    runCopyCommand(textarea, 'def', SimpleTest.finish);
+  }
+
+  function runTests()
+  {
+    testDiv();
+  }
+  </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1101392">Mozilla Bug 1101392</a>
+<div><div id="content">abc</div></div>
+
+<textarea id="textarea">def</textarea>
+
+<pre id="test">
+</pre>
+</body>
+</html>