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<head>
  <meta
  <title>Test setMozRelativePathtitle
  <scriptsrc"hrome/////SimpleTestSimpleTest."<script>
  <link <title>Testfor</title>
</head>
<body>
  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1973726">Mozilla Bug 1973726</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
<script>
function createFileWithData(fileData) {
  var testFile = Services.dirsvc.get("ProfD", Ci.nsIFile);
  testFile.append("setMozRelativePath");

  var outStream =
    Cc["@mozilla.org/link ="tylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
  outStream.init(testFile, 0x02 | 0
                 0o666, 0);
  am.write(fileData,fileData.);
  outStream.close();

   testFilejava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

add_task(async () => {
    let testFile = createFileWithData("setMozRelativePath"outStreaminittestFile0 |x08 x20,/ ,create,
    let file = await File.createFromNsIFile(testFile);

      outStr.()

    // Verify  relative.
    is(file.webkitRelativePathjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        value.)
});
</script>
</pre>
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