test_setMozRelativePath.html

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<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1973726

-->

<head>

  <meta charset="utf-8">

  <title>Test for setMozRelativePath</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>

</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/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);

  outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate

                 0o666, 0);

  outStream.write(fileData, fileData.length);

  outStream.close();

  return testFile;

add_task(async () => {

    let testFile = createFileWithData("setMozRelativePath");

    let file = await File.createFromNsIFile(testFile);

    file.setMozRelativePath("/test/relative/path");

    // Verify that the relative path was set correctly.

    is(file.webkitRelativePath, "test/relative/path",

       "The relative path should match the expected value.");

});

</script>

</pre>

</body>

</html>