content/base/test/test_bug585978.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=585978
-->
<head>
  <title>Test for Bug 585978</title>
  <script type="application/javascript" src="/MochiKit/packed.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.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=585978">Mozilla Bug 585978</a>

<script type="application/javascript;version=1.7">

/* Test that if we have a unicode character in the middle of an ascii string,
   the unicode character survives translation into and out of a text node. */

for (let i = 0; i < 128; i++) {
  let node = document.createTextNode('');
  let str = '';
  for (let j = 0; j < i; j++) {
    str += 'a';
  }
  str += '\uA0A9'
  node.data = str;

  for (let j = 0; j < 32; j++) {
    is(node.data, str);

    str += 'b';
    node.appendData('b');
  }
}

</script>
</body>
</html>