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+<?xml version="1.0"?>
+<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
+<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=664783
+-->
+<window title="Mozilla Bug 664783"
+ xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+ <script type="application/javascript"
+ src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
+ <script type="application/javascript" src="dom_worker_helper.js"/>
+
+ <!-- test results are displayed in the html:body -->
+ <body xmlns="http://www.w3.org/1999/xhtml">
+ <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
+ target="_blank">Mozilla Bug 664783</a>
+
+ <div id="content" style="display: none">
+ <input id="fileList" type="file"></input>
+ </div>
+
+ </body>
+
+ <!-- test code goes here -->
+ <script type="application/javascript">
+ <![CDATA[
+
+ /** Test for Bug 664783 **/
+
+ var fileNum = 0;
+
+ /**
+ * Create a file which contains the given data and optionally adds the specified file extension.
+ */
+ function createFileWithData(fileData, /** optional */ extension) {
+ var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ var fileExtension = (extension == undefined) ? "" : "." + extension;
+ testFile.append("workerSlice" + fileNum++ + fileExtension);
+
+ var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
+ .createInstance(Components.interfaces.nsIFileOutputStream);
+ outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
+ 0666, 0);
+ outStream.write(fileData, fileData.length);
+ outStream.close();
+
+ var fileList = document.getElementById('fileList');
+ fileList.value = testFile.path;
+
+ return fileList.files[0];
+ }
+
+ /**
+ * Starts a worker which slices the blob to the given start offset and optional end offset and
+ * content type. It then verifies that the size and type of the sliced blob is correct.
+ */
+ function createSlice(blob, start, expectedLength, /** optional */ end, /** optional */ contentType) {
+ var worker = new Worker("fileSlice_worker.js");
+
+ worker.onerror = function(event) {
+ ok(false, "Worker had an error: " + event.message);
+ finish();
+ };
+
+ worker.onmessage = function(event) {
+ is(event.data.size, expectedLength, "size property of slice is incorrect.");
+ is(event.data.type, contentType ? contentType : blob.type, "type property of slice is incorrect.");
+ finish();
+ };
+
+ var params = {blob: blob, start: start, end: end, contentType: contentType};
+ worker.postMessage(params);
+ waitForWorkerFinish();
+ }
+
+ // Empty file.
+ createSlice(createFileWithData(""), 0, 0, 0);
+
+ // Typical use case.
+ createSlice(createFileWithData("Hello"), 1, 1, 2);
+
+ // Longish file.
+ var text = "";
+ for (var i = 0; i < 10000; ++i) {
+ text += "long";
+ }
+ createSlice(createFileWithData(text), 2000, 2000, 4000);
+
+ // Slice to different type.
+ createSlice(createFileWithData("text", "txt"), 0, 2, 2, "image/png");
+
+ // Length longer than blob.
+ createSlice(createFileWithData("text"), 0, 4, 20);
+
+ // Start longer than blob.
+ createSlice(createFileWithData("text"), 20, 0, 4);
+
+ // No optional arguments
+ createSlice(createFileWithData("text"), 0, 4);
+ createSlice(createFileWithData("text"), 2, 2);
+
+ ]]>
+ </script>
+</window>