The Tor Browser / file comparison
comparison: dom/workers/test/test_fileReadSlice.xul
dom/workers/test/test_fileReadSlice.xul
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:c3a7147b3b53 |
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| 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"/> | |
| 12 | |
| 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> | |
| 17 | |
| 18 <div id="content" style="display: none"> | |
| 19 <input id="fileList" type="file"></input> | |
| 20 </div> | |
| 21 | |
| 22 </body> | |
| 23 | |
| 24 <!-- test code goes here --> | |
| 25 <script type="application/javascript"> | |
| 26 <![CDATA[ | |
| 27 | |
| 28 if (navigator.platform.startsWith("Win")) { | |
| 29 SimpleTest.expectAssertions(0, 1); | |
| 30 } | |
| 31 | |
| 32 /** Test for Bug 664783 **/ | |
| 33 | |
| 34 var fileNum = 0; | |
| 35 | |
| 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++); | |
| 44 | |
| 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(); | |
| 51 | |
| 52 var fileList = document.getElementById('fileList'); | |
| 53 fileList.value = testFile.path; | |
| 54 | |
| 55 return fileList.files[0]; | |
| 56 } | |
| 57 | |
| 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"); | |
| 64 | |
| 65 worker.onerror = function(event) { | |
| 66 ok(false, "Worker had an error: " + event.data); | |
| 67 finish(); | |
| 68 }; | |
| 69 | |
| 70 worker.onmessage = function(event) { | |
| 71 is(event.data, expectedText, "Text from sliced blob in worker is incorrect."); | |
| 72 finish(); | |
| 73 }; | |
| 74 | |
| 75 var params = {blob: blob, start: start, end: end}; | |
| 76 worker.postMessage(params); | |
| 77 waitForWorkerFinish(); | |
| 78 } | |
| 79 | |
| 80 // Empty file. | |
| 81 readSlice(createFileWithData(""), 0, 0, ""); | |
| 82 | |
| 83 // Typical use case. | |
| 84 readSlice(createFileWithData("HelloBye"), 5, 8, "Bye"); | |
| 85 | |
| 86 // End offset too large. | |
| 87 readSlice(createFileWithData("HelloBye"), 5, 9, "Bye"); | |
| 88 | |
| 89 // Start of file. | |
| 90 readSlice(createFileWithData("HelloBye"), 0, 5, "Hello"); | |
| 91 | |
| 92 ]]> | |
| 93 </script> | |
| 94 </window> |
