95 lines
2.8 KiB
XML
95 lines
2.8 KiB
XML
<?xml version="1.0"?>
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<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
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<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=664783
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-->
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<window title="Mozilla Bug 664783"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/javascript"
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src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
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<script type="application/javascript" src="dom_worker_helper.js"/>
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<!-- test results are displayed in the html:body -->
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<body xmlns="http://www.w3.org/1999/xhtml">
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<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
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target="_blank">Mozilla Bug 664783</a>
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<div id="content" style="display: none">
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<input id="fileList" type="file"></input>
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</div>
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</body>
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<!-- test code goes here -->
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<script type="application/javascript">
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<![CDATA[
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if (navigator.platform.startsWith("Win")) {
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SimpleTest.expectAssertions(0, 1);
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}
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/** Test for Bug 664783 **/
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var fileNum = 0;
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/**
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* Create a file which contains the given data.
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*/
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function createFileWithData(fileData) {
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var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
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.getService(Components.interfaces.nsIProperties)
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.get("ProfD", Components.interfaces.nsIFile);
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testFile.append("workerReadSlice" + fileNum++);
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var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
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.createInstance(Components.interfaces.nsIFileOutputStream);
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outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
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0666, 0);
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outStream.write(fileData, fileData.length);
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outStream.close();
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var fileList = document.getElementById('fileList');
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fileList.value = testFile.path;
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return fileList.files[0];
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}
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/**
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* Creates a worker which slices a blob to the given start and end offset and
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* reads the content as text.
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*/
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function readSlice(blob, start, end, expectedText) {
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var worker = new Worker("fileReadSlice_worker.js");
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worker.onerror = function(event) {
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ok(false, "Worker had an error: " + event.message);
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finish();
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};
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worker.onmessage = function(event) {
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is(event.data, expectedText, "Text from sliced blob in worker is incorrect.");
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finish();
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};
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var params = {blob: blob, start: start, end: end};
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worker.postMessage(params);
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waitForWorkerFinish();
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}
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// Empty file.
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readSlice(createFileWithData(""), 0, 0, "");
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// Typical use case.
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readSlice(createFileWithData("HelloBye"), 5, 8, "Bye");
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// End offset too large.
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readSlice(createFileWithData("HelloBye"), 5, 9, "Bye");
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// Start of file.
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readSlice(createFileWithData("HelloBye"), 0, 5, "Hello");
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]]>
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</script>
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</window>
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