1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/workers/test/test_fileReadSlice.xul Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,94 @@
1.4 +<?xml version="1.0"?>
1.5 +<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
1.6 +<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
1.7 +<!--
1.8 +https://bugzilla.mozilla.org/show_bug.cgi?id=664783
1.9 +-->
1.10 +<window title="Mozilla Bug 664783"
1.11 + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
1.12 + <script type="application/javascript"
1.13 + src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
1.14 + <script type="application/javascript" src="dom_worker_helper.js"/>
1.15 +
1.16 + <!-- test results are displayed in the html:body -->
1.17 + <body xmlns="http://www.w3.org/1999/xhtml">
1.18 + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
1.19 + target="_blank">Mozilla Bug 664783</a>
1.20 +
1.21 + <div id="content" style="display: none">
1.22 + <input id="fileList" type="file"></input>
1.23 + </div>
1.24 +
1.25 + </body>
1.26 +
1.27 + <!-- test code goes here -->
1.28 + <script type="application/javascript">
1.29 + <![CDATA[
1.30 +
1.31 + if (navigator.platform.startsWith("Win")) {
1.32 + SimpleTest.expectAssertions(0, 1);
1.33 + }
1.34 +
1.35 + /** Test for Bug 664783 **/
1.36 +
1.37 + var fileNum = 0;
1.38 +
1.39 + /**
1.40 + * Create a file which contains the given data.
1.41 + */
1.42 + function createFileWithData(fileData) {
1.43 + var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
1.44 + .getService(Components.interfaces.nsIProperties)
1.45 + .get("ProfD", Components.interfaces.nsIFile);
1.46 + testFile.append("workerReadSlice" + fileNum++);
1.47 +
1.48 + var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
1.49 + .createInstance(Components.interfaces.nsIFileOutputStream);
1.50 + outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
1.51 + 0666, 0);
1.52 + outStream.write(fileData, fileData.length);
1.53 + outStream.close();
1.54 +
1.55 + var fileList = document.getElementById('fileList');
1.56 + fileList.value = testFile.path;
1.57 +
1.58 + return fileList.files[0];
1.59 + }
1.60 +
1.61 + /**
1.62 + * Creates a worker which slices a blob to the given start and end offset and
1.63 + * reads the content as text.
1.64 + */
1.65 + function readSlice(blob, start, end, expectedText) {
1.66 + var worker = new Worker("fileReadSlice_worker.js");
1.67 +
1.68 + worker.onerror = function(event) {
1.69 + ok(false, "Worker had an error: " + event.data);
1.70 + finish();
1.71 + };
1.72 +
1.73 + worker.onmessage = function(event) {
1.74 + is(event.data, expectedText, "Text from sliced blob in worker is incorrect.");
1.75 + finish();
1.76 + };
1.77 +
1.78 + var params = {blob: blob, start: start, end: end};
1.79 + worker.postMessage(params);
1.80 + waitForWorkerFinish();
1.81 + }
1.82 +
1.83 + // Empty file.
1.84 + readSlice(createFileWithData(""), 0, 0, "");
1.85 +
1.86 + // Typical use case.
1.87 + readSlice(createFileWithData("HelloBye"), 5, 8, "Bye");
1.88 +
1.89 + // End offset too large.
1.90 + readSlice(createFileWithData("HelloBye"), 5, 9, "Bye");
1.91 +
1.92 + // Start of file.
1.93 + readSlice(createFileWithData("HelloBye"), 0, 5, "Hello");
1.94 +
1.95 + ]]>
1.96 + </script>
1.97 +</window>
