test_file.xhtml (3184B)
1 <?xml version="1.0"?> 2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?> 3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> 4 <!-- 5 https://bugzilla.mozilla.org/show_bug.cgi?id=123456 6 --> 7 <window title="Mozilla Bug 123456" 8 xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> 9 <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/> 10 <script type="application/javascript" src="dom_worker_helper.js"/> 11 12 <!-- test results are displayed in the html:body --> 13 <body xmlns="http://www.w3.org/1999/xhtml"> 14 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=123456" 15 target="_blank">Mozilla Bug 123456</a> 16 17 <div id="content" style="display: none"> 18 <input id="fileList" type="file"></input> 19 </div> 20 21 </body> 22 23 <!-- test code goes here --> 24 <script type="application/javascript"> 25 <![CDATA[ 26 27 /** Test for Bug 123456 */ 28 29 var fileNum = 0; 30 31 /** 32 * Create a file which contains the given data and optionally adds the specified file extension. 33 */ 34 function createFileWithData(fileData, /** optional */ extension) { 35 var testFile = Cc["@mozilla.org/file/directory_service;1"] 36 .getService(Ci.nsIProperties) 37 .get("ProfD", Ci.nsIFile); 38 var fileExtension = (extension == undefined) ? "" : "." + extension; 39 testFile.append("workerFile" + fileNum++ + fileExtension); 40 41 var outStream = Cc["@mozilla.org/network/file-output-stream;1"] 42 .createInstance(Ci.nsIFileOutputStream); 43 outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate 44 0o666, 0); 45 outStream.write(fileData, fileData.length); 46 outStream.close(); 47 48 var fileList = document.getElementById('fileList'); 49 fileList.value = testFile.path; 50 51 return fileList.files[0]; 52 } 53 54 /** 55 * Create a worker to access file properties. 56 */ 57 function accessFileProperties(file, expectedSize, expectedType) { 58 waitForWorkerFinish(); 59 60 var worker = new Worker("file_worker.js"); 61 62 worker.onerror = function(event) { 63 ok(false, "Worker had an error: " + event.message); 64 finish(); 65 }; 66 67 worker.onmessage = function(event) { 68 is(event.data.size, expectedSize, "size proproperty accessed from worker is not the same as on main thread."); 69 is(event.data.type, expectedType, "type proproperty accessed from worker is incorrect."); 70 is(event.data.name, file.name, "name proproperty accessed from worker is incorrect."); 71 is(event.data.lastModified, file.lastModified, "lastModified proproperty accessed from worker is incorrect."); 72 finish(); 73 }; 74 75 worker.postMessage(file); 76 } 77 78 // Empty file. 79 accessFileProperties(createFileWithData(""), 0, ""); 80 81 // Typical use case. 82 accessFileProperties(createFileWithData("Hello"), 5, ""); 83 84 // Longish file. 85 var text = ""; 86 for (var i = 0; i < 10000; ++i) { 87 text += "long"; 88 } 89 accessFileProperties(createFileWithData(text), 40000, ""); 90 91 // Type detection based on extension. 92 accessFileProperties(createFileWithData("text", "txt"), 4, "text/plain"); 93 94 ]]> 95 </script> 96 </window>