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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[
+
+ if (navigator.platform.startsWith("Win")) {
+ SimpleTest.expectAssertions(0, 1);
+ }
+
+ /** Test for Bug 664783 **/
+
+ var fileNum = 0;
+
+ /**
+ * Create a file which contains the given data.
+ */
+ function createFileWithData(fileData) {
+ var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ testFile.append("workerReadSlice" + fileNum++);
+
+ 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];
+ }
+
+ /**
+ * Creates a worker which slices a blob to the given start and end offset and
+ * reads the content as text.
+ */
+ function readSlice(blob, start, end, expectedText) {
+ var worker = new Worker("fileReadSlice_worker.js");
+
+ worker.onerror = function(event) {
+ ok(false, "Worker had an error: " + event.message);
+ finish();
+ };
+
+ worker.onmessage = function(event) {
+ is(event.data, expectedText, "Text from sliced blob in worker is incorrect.");
+ finish();
+ };
+
+ var params = {blob: blob, start: start, end: end};
+ worker.postMessage(params);
+ waitForWorkerFinish();
+ }
+
+ // Empty file.
+ readSlice(createFileWithData(""), 0, 0, "");
+
+ // Typical use case.
+ readSlice(createFileWithData("HelloBye"), 5, 8, "Bye");
+
+ // End offset too large.
+ readSlice(createFileWithData("HelloBye"), 5, 9, "Bye");
+
+ // Start of file.
+ readSlice(createFileWithData("HelloBye"), 0, 5, "Hello");
+
+ ]]>
+ </script>
+</window>