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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/workers/test/test_fileReaderSync.xul
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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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("workerFileReaderSync" + 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];
+ }
+
+ function convertToUTF16(s) {
+ res = "";
+ for (var i = 0; i < s.length; ++i) {
+ c = s.charCodeAt(i);
+ res += String.fromCharCode(c & 255, c >>> 8);
+ }
+ return res;
+ }
+
+ /**
+ * Converts the given string to a data URL of the specified mime type.
+ */
+ function convertToDataURL(mime, s) {
+ return "data:" + mime + ";base64," + btoa(s);
+ }
+
+ /**
+ * Create a worker to read a file containing fileData using FileReaderSync and
+ * checks the return type against the expected type. Optionally set an encoding
+ * for reading the file as text.
+ */
+ function readFileData(fileData, expectedText, /** optional */ encoding) {
+ var worker = new Worker("fileReaderSync_worker.js");
+
+ worker.onmessage = function(event) {
+ is(event.data.text, expectedText, "readAsText in worker returned incorrect result.");
+ is(event.data.bin, fileData, "readAsBinaryString in worker returned incorrect result.");
+ is(event.data.url, convertToDataURL("application/octet-stream", fileData), "readAsDataURL in worker returned incorrect result.");
+ is(event.data.arrayBuffer.byteLength, fileData.length, "readAsArrayBuffer returned buffer of incorrect length.");
+ finish();
+ };
+
+ worker.onerror = function(event) {
+ ok(false, "Worker had an error: " + event.message);
+ finish();
+ };
+
+ var params = {file: createFileWithData(fileData), encoding: encoding};
+
+ worker.postMessage(params);
+
+ waitForWorkerFinish();
+ }
+
+ /**
+ * Create a worker which reuses a FileReaderSync to read multiple files as DataURLs.
+ */
+ function reuseReaderForURL(files, expected) {
+ var worker = new Worker("fileReaderSync_worker.js");
+
+ worker.onerror = function(event) {
+ ok(false, "Worker had an error: " + event.message);
+ finish();
+ };
+
+ var k = 0;
+ worker.onmessage = function(event) {
+ is(event.data.url, expected[k], "readAsDataURL in worker returned incorrect result when reusing FileReaderSync.");
+ k++;
+ finish();
+ };
+
+ for (var i = 0; i < files.length; ++i) {
+ var params = {file: files[i], encoding: undefined};
+ worker.postMessage(params);
+ waitForWorkerFinish();
+ }
+ }
+
+ /**
+ * Create a worker which reuses a FileReaderSync to read multiple files as text.
+ */
+ function reuseReaderForText(fileData, expected) {
+ var worker = new Worker("fileReaderSync_worker.js");
+
+ worker.onerror = function(event) {
+ ok(false, "Worker had an error: " + event.message);
+ finish();
+ };
+
+ var k = 0;
+ worker.onmessage = function(event) {
+ is(event.data.text, expected[k++], "readAsText in worker returned incorrect result when reusing FileReaderSync.");
+ finish();
+ };
+
+ for (var i = 0; i < fileData.length; ++i) {
+ var params = {file: createFileWithData(fileData[i]), encoding: undefined};
+ worker.postMessage(params);
+ waitForWorkerFinish();
+ }
+ }
+
+
+ /**
+ * Creates a a worker which reads a file containing fileData as an ArrayBuffer.
+ * Verifies that the ArrayBuffer when interpreted as a string matches the original data.
+ */
+ function readArrayBuffer(fileData) {
+ var worker = new Worker("fileReaderSync_worker.js");
+
+ worker.onmessage = function(event) {
+ var view = new Uint8Array(event.data.arrayBuffer);
+ is(event.data.arrayBuffer.byteLength, fileData.length, "readAsArrayBuffer returned buffer of incorrect length.");
+ is(String.fromCharCode.apply(String, view), fileData, "readAsArrayBuffer returned buffer containing incorrect data.");
+ finish();
+ };
+
+ worker.onerror = function(event) {
+ ok(false, "Worker had an error: " + event.message);
+ finish();
+ };
+
+ var params = {file: createFileWithData(fileData), encoding: undefined};
+
+ worker.postMessage(params);
+
+ waitForWorkerFinish();
+ }
+
+ // Empty file.
+ readFileData("", "");
+
+ // Typical use case.
+ readFileData("text", "text");
+
+ // Test reading UTF-16 characters.
+ readFileData(convertToUTF16("text"), "text", "UTF-16");
+
+ // First read a file of type "text/plain", then read a file of type "application/octet-stream".
+ reuseReaderForURL([createFileWithData("text", "txt"), createFileWithData("text")],
+ [convertToDataURL("text/plain", "text"),
+ convertToDataURL("application/octet-stream", "text")]);
+
+ // First read UTF-16 characters marked using BOM, then read UTF-8 characters.
+ reuseReaderForText([convertToUTF16("\ufefftext"), "text"],
+ ["text", "text"]);
+
+ // Reading data as ArrayBuffer.
+ readArrayBuffer("");
+ readArrayBuffer("text");
+
+ ]]>
+ </script>
+</window>
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