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Diffstat (limited to 'tools/addon-sdk-1.3/packages/api-utils/tests/test-byte-streams.js')
-rw-r--r-- | tools/addon-sdk-1.3/packages/api-utils/tests/test-byte-streams.js | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/tools/addon-sdk-1.3/packages/api-utils/tests/test-byte-streams.js b/tools/addon-sdk-1.3/packages/api-utils/tests/test-byte-streams.js deleted file mode 100644 index c66a9ba..0000000 --- a/tools/addon-sdk-1.3/packages/api-utils/tests/test-byte-streams.js +++ /dev/null @@ -1,202 +0,0 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- - * vim:set ts=2 sw=2 sts=2 et filetype=javascript - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Jetpack. - * - * The Initial Developer of the Original Code is - * the Mozilla Foundation. - * Portions created by the Initial Developer are Copyright (C) 2010 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * Drew Willcoxon <adw@mozilla.com> (Original Author) - * - * Alternatively, the contents of this file may be used under the terms of - * either the GNU General Public License Version 2 or later (the "GPL"), or - * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -const byteStreams = require("byte-streams"); -const file = require("file"); -const url = require("url"); - -const STREAM_CLOSED_ERROR = "The stream is closed and cannot be used."; - -// This should match the constant of the same name in byte-streams.js. -const BUFFER_BYTE_LEN = 0x8000; - -exports.testWriteRead = function (test) { - let fname = dataFileFilename(); - - // Write a small string less than the stream's buffer size... - let str = "exports.testWriteRead data!"; - let stream = open(test, fname, true); - test.assert(!stream.closed, "stream.closed after open should be false"); - stream.write(str); - stream.close(); - test.assert(stream.closed, "Stream should be closed after stream.close"); - test.assertRaises(function () stream.write("This shouldn't be written!"), - STREAM_CLOSED_ERROR, - "stream.write after close should raise error"); - - // ... and read it. - stream = open(test, fname); - test.assertEqual(stream.read(), str, - "stream.read should return string written"); - test.assertEqual(stream.read(), "", - "stream.read at EOS should return empty string"); - stream.close(); - test.assert(stream.closed, "Stream should be closed after stream.close"); - test.assertRaises(function () stream.read(), - STREAM_CLOSED_ERROR, - "stream.read after close should raise error"); - - file.remove(fname); -}; - -// Write a big string many times the size of the stream's buffer and read it. -exports.testWriteReadBig = function (test) { - let str = ""; - let bufLen = BUFFER_BYTE_LEN; - let fileSize = bufLen * 10; - for (let i = 0; i < fileSize; i++) - str += i % 10; - let fname = dataFileFilename(); - let stream = open(test, fname, true); - stream.write(str); - stream.close(); - stream = open(test, fname); - test.assertEqual(stream.read(), str, - "stream.read should return string written"); - stream.close(); - file.remove(fname); -}; - -// The same, but write and read in chunks. -exports.testWriteReadChunks = function (test) { - let str = ""; - let bufLen = BUFFER_BYTE_LEN; - let fileSize = bufLen * 10; - for (let i = 0; i < fileSize; i++) - str += i % 10; - let fname = dataFileFilename(); - let stream = open(test, fname, true); - let i = 0; - while (i < str.length) { - // Use a chunk length that spans buffers. - let chunk = str.substr(i, bufLen + 1); - stream.write(chunk); - i += bufLen + 1; - } - stream.close(); - stream = open(test, fname); - let readStr = ""; - bufLen = BUFFER_BYTE_LEN; - let readLen = bufLen + 1; - do { - var frag = stream.read(readLen); - readStr += frag; - } while (frag); - stream.close(); - test.assertEqual(readStr, str, - "stream.write and read in chunks should work as expected"); - file.remove(fname); -}; - -exports.testReadLengths = function (test) { - let fname = dataFileFilename(); - let str = "exports.testReadLengths data!"; - let stream = open(test, fname, true); - stream.write(str); - stream.close(); - - stream = open(test, fname); - test.assertEqual(stream.read(str.length * 1000), str, - "stream.read with big byte length should return string " + - "written"); - stream.close(); - - stream = open(test, fname); - test.assertEqual(stream.read(0), "", - "string.read with zero byte length should return empty " + - "string"); - stream.close(); - - stream = open(test, fname); - test.assertEqual(stream.read(-1), "", - "string.read with negative byte length should return " + - "empty string"); - stream.close(); - - file.remove(fname); -}; - -exports.testTruncate = function (test) { - let fname = dataFileFilename(); - let str = "exports.testReadLengths data!"; - let stream = open(test, fname, true); - stream.write(str); - stream.close(); - - stream = open(test, fname); - test.assertEqual(stream.read(), str, - "stream.read should return string written"); - stream.close(); - - stream = open(test, fname, true); - stream.close(); - - stream = open(test, fname); - test.assertEqual(stream.read(), "", - "stream.read after truncate should be empty"); - stream.close(); - - file.remove(fname); -}; - -exports.testUnload = function (test) { - let loader = test.makeSandboxedLoader(); - let file = loader.require("file"); - - let filename = url.toFilename(__url__); - let stream = file.open(filename, "b"); - - loader.unload(); - test.assert(stream.closed, "Stream should be closed after module unload"); -}; - -// Returns the name of a file that should be used to test writing and reading. -function dataFileFilename() { - let dir = file.dirname(url.toFilename(__url__)); - return file.join(dir, "test-byte-streams-data"); -} - -// Opens and returns the given file and ensures it's of the correct class. -function open(test, filename, forWriting) { - let stream = file.open(filename, forWriting ? "wb" : "b"); - let klass = forWriting ? "ByteWriter" : "ByteReader"; - test.assert(stream instanceof byteStreams[klass], - "Opened stream should be a " + klass); - return stream; -} |