dom/workers/test/test_fileSlice.xul

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/workers/test/test_fileSlice.xul	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,106 @@
     1.4 +<?xml version="1.0"?>
     1.5 +<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
     1.6 +<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
     1.7 +<!--
     1.8 +https://bugzilla.mozilla.org/show_bug.cgi?id=664783
     1.9 +-->
    1.10 +<window title="Mozilla Bug 664783"
    1.11 +        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
    1.12 +  <script type="application/javascript"
    1.13 +          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
    1.14 +  <script type="application/javascript" src="dom_worker_helper.js"/>
    1.15 +
    1.16 +  <!-- test results are displayed in the html:body -->
    1.17 +  <body xmlns="http://www.w3.org/1999/xhtml">
    1.18 +  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
    1.19 +     target="_blank">Mozilla Bug 664783</a>
    1.20 +
    1.21 +  <div id="content" style="display: none">
    1.22 +    <input id="fileList" type="file"></input>
    1.23 +  </div>
    1.24 +
    1.25 +  </body>
    1.26 +
    1.27 +  <!-- test code goes here -->
    1.28 +  <script type="application/javascript">
    1.29 +  <![CDATA[
    1.30 +
    1.31 +  /** Test for Bug 664783 **/
    1.32 +
    1.33 +  var fileNum = 0;
    1.34 +
    1.35 +  /**
    1.36 +   * Create a file which contains the given data and optionally adds the specified file extension.
    1.37 +   */
    1.38 +  function createFileWithData(fileData, /** optional */ extension) {
    1.39 +    var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
    1.40 +                       .getService(Components.interfaces.nsIProperties)
    1.41 +                       .get("ProfD", Components.interfaces.nsIFile);
    1.42 +    var fileExtension = (extension == undefined) ? "" : "." + extension;
    1.43 +    testFile.append("workerSlice" + fileNum++ + fileExtension);
    1.44 +
    1.45 +    var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
    1.46 +                        .createInstance(Components.interfaces.nsIFileOutputStream);
    1.47 +    outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
    1.48 +                   0666, 0);
    1.49 +    outStream.write(fileData, fileData.length);
    1.50 +    outStream.close();
    1.51 +
    1.52 +    var fileList = document.getElementById('fileList');
    1.53 +    fileList.value = testFile.path;
    1.54 +
    1.55 +    return fileList.files[0];
    1.56 +  }
    1.57 +
    1.58 +  /**
    1.59 +   * Starts a worker which slices the blob to the given start offset and optional end offset and
    1.60 +   * content type. It then verifies that the size and type of the sliced blob is correct.
    1.61 +   */
    1.62 +  function createSlice(blob, start, expectedLength, /** optional */ end, /** optional */ contentType) {
    1.63 +    var worker = new Worker("fileSlice_worker.js");
    1.64 +
    1.65 +    worker.onerror = function(event) {
    1.66 +      ok(false, "Worker had an error: " + event.data);
    1.67 +      finish();
    1.68 +    };
    1.69 +
    1.70 +    worker.onmessage = function(event) {
    1.71 +      is(event.data.size, expectedLength, "size property of slice is incorrect.");
    1.72 +      is(event.data.type, contentType ? contentType : blob.type, "type property of slice is incorrect.");
    1.73 +      finish();
    1.74 +    };
    1.75 +
    1.76 +    var params = {blob: blob, start: start, end: end, contentType: contentType};
    1.77 +    worker.postMessage(params);
    1.78 +    waitForWorkerFinish();
    1.79 +  }
    1.80 +
    1.81 +  // Empty file.
    1.82 +  createSlice(createFileWithData(""), 0, 0, 0);
    1.83 +
    1.84 +  // Typical use case.
    1.85 +  createSlice(createFileWithData("Hello"), 1, 1, 2);
    1.86 +
    1.87 +  // Longish file.
    1.88 +  var text = "";
    1.89 +  for (var i = 0; i < 10000; ++i) {
    1.90 +    text += "long";
    1.91 +  }
    1.92 +  createSlice(createFileWithData(text), 2000, 2000, 4000);
    1.93 +
    1.94 +  // Slice to different type.
    1.95 +  createSlice(createFileWithData("text", "txt"), 0, 2, 2, "image/png");
    1.96 +
    1.97 +  // Length longer than blob.
    1.98 +  createSlice(createFileWithData("text"), 0, 4, 20);
    1.99 +
   1.100 +  // Start longer than blob.
   1.101 +  createSlice(createFileWithData("text"), 20, 0, 4);
   1.102 +
   1.103 +  // No optional arguments
   1.104 +  createSlice(createFileWithData("text"), 0, 4);
   1.105 +  createSlice(createFileWithData("text"), 2, 2);
   1.106 +
   1.107 +  ]]>
   1.108 +  </script>
   1.109 +</window>

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