dom/workers/test/test_fileReadSlice.xul@925c144e1f1f (annotated)
dom/workers/test/test_fileReadSlice.xul
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
| 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 | if (navigator.platform.startsWith("Win")) { |
| michael@0 | 29 | SimpleTest.expectAssertions(0, 1); |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | /** Test for Bug 664783 **/ |
| michael@0 | 33 | |
| michael@0 | 34 | var fileNum = 0; |
| michael@0 | 35 | |
| michael@0 | 36 | /** |
| michael@0 | 37 | * Create a file which contains the given data. |
| michael@0 | 38 | */ |
| michael@0 | 39 | function createFileWithData(fileData) { |
| michael@0 | 40 | var testFile = Components.classes["@mozilla.org/file/directory_service;1"] |
| michael@0 | 41 | .getService(Components.interfaces.nsIProperties) |
| michael@0 | 42 | .get("ProfD", Components.interfaces.nsIFile); |
| michael@0 | 43 | testFile.append("workerReadSlice" + fileNum++); |
| michael@0 | 44 | |
| michael@0 | 45 | var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"] |
| michael@0 | 46 | .createInstance(Components.interfaces.nsIFileOutputStream); |
| michael@0 | 47 | outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate |
| michael@0 | 48 | 0666, 0); |
| michael@0 | 49 | outStream.write(fileData, fileData.length); |
| michael@0 | 50 | outStream.close(); |
| michael@0 | 51 | |
| michael@0 | 52 | var fileList = document.getElementById('fileList'); |
| michael@0 | 53 | fileList.value = testFile.path; |
| michael@0 | 54 | |
| michael@0 | 55 | return fileList.files[0]; |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | /** |
| michael@0 | 59 | * Creates a worker which slices a blob to the given start and end offset and |
| michael@0 | 60 | * reads the content as text. |
| michael@0 | 61 | */ |
| michael@0 | 62 | function readSlice(blob, start, end, expectedText) { |
| michael@0 | 63 | var worker = new Worker("fileReadSlice_worker.js"); |
| michael@0 | 64 | |
| michael@0 | 65 | worker.onerror = function(event) { |
| michael@0 | 66 | ok(false, "Worker had an error: " + event.data); |
| michael@0 | 67 | finish(); |
| michael@0 | 68 | }; |
| michael@0 | 69 | |
| michael@0 | 70 | worker.onmessage = function(event) { |
| michael@0 | 71 | is(event.data, expectedText, "Text from sliced blob in worker is incorrect."); |
| michael@0 | 72 | finish(); |
| michael@0 | 73 | }; |
| michael@0 | 74 | |
| michael@0 | 75 | var params = {blob: blob, start: start, end: end}; |
| michael@0 | 76 | worker.postMessage(params); |
| michael@0 | 77 | waitForWorkerFinish(); |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | // Empty file. |
| michael@0 | 81 | readSlice(createFileWithData(""), 0, 0, ""); |
| michael@0 | 82 | |
| michael@0 | 83 | // Typical use case. |
| michael@0 | 84 | readSlice(createFileWithData("HelloBye"), 5, 8, "Bye"); |
| michael@0 | 85 | |
| michael@0 | 86 | // End offset too large. |
| michael@0 | 87 | readSlice(createFileWithData("HelloBye"), 5, 9, "Bye"); |
| michael@0 | 88 | |
| michael@0 | 89 | // Start of file. |
| michael@0 | 90 | readSlice(createFileWithData("HelloBye"), 0, 5, "Hello"); |
| michael@0 | 91 | |
| michael@0 | 92 | ]]> |
| michael@0 | 93 | </script> |
| michael@0 | 94 | </window> |
