dom/workers/test/test_fileBlobSubWorker.xul

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 <?xml version="1.0"?>
michael@0 2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
michael@0 3 <?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
michael@0 4 <!--
michael@0 5 https://bugzilla.mozilla.org/show_bug.cgi?id=664783
michael@0 6 -->
michael@0 7 <window title="Mozilla Bug 664783"
michael@0 8 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
michael@0 9 <script type="application/javascript"
michael@0 10 src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
michael@0 11 <script type="application/javascript" src="dom_worker_helper.js"/>
michael@0 12
michael@0 13 <!-- test results are displayed in the html:body -->
michael@0 14 <body xmlns="http://www.w3.org/1999/xhtml">
michael@0 15 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
michael@0 16 target="_blank">Mozilla Bug 664783</a>
michael@0 17
michael@0 18 <div id="content" style="display: none">
michael@0 19 <input id="fileList" type="file"></input>
michael@0 20 </div>
michael@0 21
michael@0 22 </body>
michael@0 23
michael@0 24 <!-- test code goes here -->
michael@0 25 <script type="application/javascript">
michael@0 26 <![CDATA[
michael@0 27
michael@0 28 /** Test for Bug 664783 **/
michael@0 29
michael@0 30 var fileNum = 0;
michael@0 31
michael@0 32 /**
michael@0 33 * Create a file which contains the given data and optionally adds the specified file extension.
michael@0 34 */
michael@0 35 function createFileWithData(fileData, /** optional */ extension) {
michael@0 36 var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
michael@0 37 .getService(Components.interfaces.nsIProperties)
michael@0 38 .get("ProfD", Components.interfaces.nsIFile);
michael@0 39 var fileExtension = (extension == undefined) ? "" : "." + extension;
michael@0 40 testFile.append("workerBlobSubWorker" + fileNum++ + fileExtension);
michael@0 41
michael@0 42 var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
michael@0 43 .createInstance(Components.interfaces.nsIFileOutputStream);
michael@0 44 outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
michael@0 45 0666, 0);
michael@0 46 outStream.write(fileData, fileData.length);
michael@0 47 outStream.close();
michael@0 48
michael@0 49 var fileList = document.getElementById('fileList');
michael@0 50 fileList.value = testFile.path;
michael@0 51
michael@0 52 return fileList.files[0];
michael@0 53 }
michael@0 54
michael@0 55 /**
michael@0 56 * Create a worker to access blob properties.
michael@0 57 */
michael@0 58 function accessFileProperties(file, expectedSize) {
michael@0 59 var worker = new Worker("fileBlobSubWorker_worker.js");
michael@0 60
michael@0 61 worker.onerror = function(event) {
michael@0 62 ok(false, "Worker had an error: " + event.data);
michael@0 63 finish();
michael@0 64 };
michael@0 65
michael@0 66 worker.onmessage = function(event) {
michael@0 67 if (event.data == undefined) {
michael@0 68 ok(false, "Worker had an error.");
michael@0 69 } else {
michael@0 70 is(event.data.size, expectedSize, "size proproperty accessed from worker is not the same as on main thread.");
michael@0 71 }
michael@0 72 finish();
michael@0 73 };
michael@0 74
michael@0 75 var blob = file.slice();
michael@0 76 worker.postMessage(blob);
michael@0 77 waitForWorkerFinish();
michael@0 78 }
michael@0 79
michael@0 80 // Empty file.
michael@0 81 accessFileProperties(createFileWithData(""), 0);
michael@0 82
michael@0 83 // Typical use case.
michael@0 84 accessFileProperties(createFileWithData("Hello"), 5);
michael@0 85
michael@0 86 // Longish file.
michael@0 87 var text = "";
michael@0 88 for (var i = 0; i < 10000; ++i) {
michael@0 89 text += "long";
michael@0 90 }
michael@0 91 accessFileProperties(createFileWithData(text), 40000);
michael@0 92
michael@0 93 // Type detection based on extension.
michael@0 94 accessFileProperties(createFileWithData("text", "txt"), 4);
michael@0 95
michael@0 96 ]]>
michael@0 97 </script>
michael@0 98 </window>

mercurial