dom/workers/test/test_fileReadSlice.xul@b8a032363ba2
dom/workers/test/test_fileReadSlice.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
1 <?xml version="1.0"?>
2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
3 <?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
4 <!--
5 https://bugzilla.mozilla.org/show_bug.cgi?id=664783
6 -->
7 <window title="Mozilla Bug 664783"
8 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
9 <script type="application/javascript"
10 src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
11 <script type="application/javascript" src="dom_worker_helper.js"/>
13 <!-- test results are displayed in the html:body -->
14 <body xmlns="http://www.w3.org/1999/xhtml">
15 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
16 target="_blank">Mozilla Bug 664783</a>
18 <div id="content" style="display: none">
19 <input id="fileList" type="file"></input>
20 </div>
22 </body>
24 <!-- test code goes here -->
25 <script type="application/javascript">
26 <![CDATA[
28 if (navigator.platform.startsWith("Win")) {
29 SimpleTest.expectAssertions(0, 1);
30 }
32 /** Test for Bug 664783 **/
34 var fileNum = 0;
36 /**
37 * Create a file which contains the given data.
38 */
39 function createFileWithData(fileData) {
40 var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
41 .getService(Components.interfaces.nsIProperties)
42 .get("ProfD", Components.interfaces.nsIFile);
43 testFile.append("workerReadSlice" + fileNum++);
45 var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
46 .createInstance(Components.interfaces.nsIFileOutputStream);
47 outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
48 0666, 0);
49 outStream.write(fileData, fileData.length);
50 outStream.close();
52 var fileList = document.getElementById('fileList');
53 fileList.value = testFile.path;
55 return fileList.files[0];
56 }
58 /**
59 * Creates a worker which slices a blob to the given start and end offset and
60 * reads the content as text.
61 */
62 function readSlice(blob, start, end, expectedText) {
63 var worker = new Worker("fileReadSlice_worker.js");
65 worker.onerror = function(event) {
66 ok(false, "Worker had an error: " + event.data);
67 finish();
68 };
70 worker.onmessage = function(event) {
71 is(event.data, expectedText, "Text from sliced blob in worker is incorrect.");
72 finish();
73 };
75 var params = {blob: blob, start: start, end: end};
76 worker.postMessage(params);
77 waitForWorkerFinish();
78 }
80 // Empty file.
81 readSlice(createFileWithData(""), 0, 0, "");
83 // Typical use case.
84 readSlice(createFileWithData("HelloBye"), 5, 8, "Bye");
86 // End offset too large.
87 readSlice(createFileWithData("HelloBye"), 5, 9, "Bye");
89 // Start of file.
90 readSlice(createFileWithData("HelloBye"), 0, 5, "Hello");
92 ]]>
93 </script>
94 </window>
