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diff --git a/tools/addon-sdk-1.4/packages/api-utils/tests/test-text-streams.js b/tools/addon-sdk-1.4/packages/api-utils/tests/test-text-streams.js
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-/* -*- 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 file = require("file");
-const url = require("url");
-const { Loader } = require("./helpers");
-
-const STREAM_CLOSED_ERROR = "The stream is closed and cannot be used.";
-
-// This should match the constant of the same name in text-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 = file.open(fname, "w");
- test.assert(!stream.closed, "stream.closed after open should be false");
- stream.write(str);
- stream.close();
- test.assert(stream.closed, "stream.closed after close should be true");
- test.assertRaises(function () stream.close(),
- STREAM_CLOSED_ERROR,
- "stream.close after already closed should raise error");
- test.assertRaises(function () stream.write("This shouldn't be written!"),
- STREAM_CLOSED_ERROR,
- "stream.write after close should raise error");
-
- // ... and read it.
- stream = file.open(fname);
- test.assert(!stream.closed, "stream.closed after open should be false");
- 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.closed after close should be true");
- test.assertRaises(function () stream.close(),
- STREAM_CLOSED_ERROR,
- "stream.close after already closed should raise error");
- test.assertRaises(function () stream.read(),
- STREAM_CLOSED_ERROR,
- "stream.read after close should raise error");
-
- // Write a big string many times the size of the stream's buffer and read it.
- // Since it comes after the previous test, this also ensures that the file is
- // truncated when it's opened for writing.
- str = "";
- let bufLen = BUFFER_BYTE_LEN;
- let fileSize = bufLen * 10;
- for (let i = 0; i < fileSize; i++)
- str += i % 10;
- stream = file.open(fname, "w");
- stream.write(str);
- stream.close();
- stream = file.open(fname);
- test.assertEqual(stream.read(), str,
- "stream.read should return string written");
- stream.close();
-
- // The same, but write and read in chunks.
- stream = file.open(fname, "w");
- 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 = file.open(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");
-
- // Read the same file, passing in strange numbers of bytes to read.
- stream = file.open(fname);
- test.assertEqual(stream.read(fileSize * 100), str,
- "stream.read with big byte length should return string " +
- "written");
- stream.close();
-
- stream = file.open(fname);
- test.assertEqual(stream.read(0), "",
- "string.read with zero byte length should return empty " +
- "string");
- stream.close();
-
- stream = file.open(fname);
- test.assertEqual(stream.read(-1), "",
- "string.read with negative byte length should return " +
- "empty string");
- stream.close();
-
- file.remove(fname);
-};
-
-exports.testWriteAsync = function (test) {
- test.waitUntilDone();
-
- let fname = dataFileFilename();
- let str = "exports.testWriteAsync data!";
- let stream = file.open(fname, "w");
- test.assert(!stream.closed, "stream.closed after open should be false");
-
- // Write.
- stream.writeAsync(str, function (err) {
- test.assertEqual(this, stream, "|this| should be the stream object");
- test.assertEqual(err, undefined,
- "stream.writeAsync should not cause error");
- test.assert(stream.closed, "stream.closed after write should be true");
- test.assertRaises(function () stream.close(),
- STREAM_CLOSED_ERROR,
- "stream.close after already closed should raise error");
- test.assertRaises(function () stream.writeAsync("This shouldn't work!"),
- STREAM_CLOSED_ERROR,
- "stream.writeAsync after close should raise error");
-
- // Read.
- stream = file.open(fname, "r");
- test.assert(!stream.closed, "stream.closed after open should be false");
- let readStr = stream.read();
- test.assertEqual(readStr, str,
- "string.read should yield string written");
- stream.close();
- file.remove(fname);
- test.done();
- });
-};
-
-exports.testUnload = function (test) {
- let loader = Loader(module);
- let file = loader.require("file");
-
- let filename = url.toFilename(module.uri);
- let stream = file.open(filename);
-
- 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(module.uri));
- return file.join(dir, "test-text-streams-data");
-}