зеркало из https://github.com/mozilla/pjs.git
Bug 401781 - "Add tests for nsI*Stream" [p=WeirdAl r=bsmedberg]
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is XPCOM Input/Output Stream tests.
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*
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* The Initial Developer of the Original Code is
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* Alexander J. Vincent.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const CC = Components.Constructor;
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var Pipe = CC("@mozilla.org/pipe;1",
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"nsIPipe",
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"init");
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var BinaryOutput = CC("@mozilla.org/binaryoutputstream;1",
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"nsIBinaryOutputStream",
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"setOutputStream");
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var BinaryInput = CC("@mozilla.org/binaryinputstream;1",
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"nsIBinaryInputStream",
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"setInputStream");
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/**
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* Binary stream tests.
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*/
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function test_binary_streams() {
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var p, is, os;
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p = new Pipe(false, false, 1024, 1, null);
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is = new BinaryInput(p.inputStream);
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os = new BinaryOutput(p.outputStream);
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const LargeNum = Math.pow(2, 18) + Math.pow(2, 12) + 1;
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const HugeNum = Math.pow(2, 62);
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const HelloStr = "Hello World";
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const HelloArray = Array.map(HelloStr, function(c) {return c.charCodeAt(0)});
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var countObj = {};
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var msg = {};
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// Test reading immediately after writing.
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os.writeBoolean(true);
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do_check_eq(is.readBoolean(), true);
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os.write8(4);
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do_check_eq(is.read8(), 4);
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os.write16(4);
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do_check_eq(is.read16(), 4);
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os.write16(1024);
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do_check_eq(is.read16(), 1024);
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os.write32(7);
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do_check_eq(is.read32(), 7);
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os.write32(LargeNum);
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do_check_eq(is.read32(), LargeNum);
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os.write64(LargeNum);
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do_check_eq(is.read64(), LargeNum);
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os.write64(1024);
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do_check_eq(is.read64(), 1024);
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os.write64(HugeNum);
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do_check_eq(is.read64(), HugeNum);
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os.writeFloat(2.5);
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do_check_eq(is.readFloat(), 2.5);
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os.writeDouble(Math.SQRT2);
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do_check_eq(is.readDouble(), Math.SQRT2);
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os.writeStringZ("Mozilla");
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do_check_eq(is.readCString(), "Mozilla");
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os.writeWStringZ("Gecko");
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do_check_eq(is.readString(), "Gecko");
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os.writeBytes(HelloStr, HelloStr.length);
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do_check_eq(is.available(), HelloStr.length);
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msg = is.readBytes(HelloStr.length);
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do_check_eq(msg, HelloStr);
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msg = null;
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countObj.value = -1;
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os.writeByteArray(HelloArray, HelloArray.length);
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do_check_eq(is.available(), HelloStr.length);
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msg = is.readByteArray(HelloStr.length)
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do_check_eq(typeof msg, typeof HelloArray);
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do_check_eq(msg.toSource(), HelloArray.toSource());
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do_check_eq(is.available(), 0);
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// Test writing in one big chunk.
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os.writeBoolean(true);
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os.write8(4);
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os.write16(4);
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os.write16(1024);
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os.write32(7);
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os.write32(LargeNum);
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os.write64(LargeNum);
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os.write64(1024);
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os.write64(HugeNum);
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os.writeFloat(2.5);
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os.writeDouble(Math.SQRT2);
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os.writeStringZ("Mozilla");
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os.writeWStringZ("Gecko");
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os.writeBytes(HelloStr, HelloStr.length);
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os.writeByteArray(HelloArray, HelloArray.length);
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// Available should not be zero after a long write like this.
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do_check_neq(is.available(), 0);
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// Test reading in one big chunk.
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do_check_eq(is.readBoolean(), true);
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do_check_eq(is.read8(), 4);
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do_check_eq(is.read16(), 4);
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do_check_eq(is.read16(), 1024);
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do_check_eq(is.read32(), 7);
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do_check_eq(is.read32(), LargeNum);
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do_check_eq(is.read64(), LargeNum);
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do_check_eq(is.read64(), 1024);
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do_check_eq(is.read64(), HugeNum);
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do_check_eq(is.readFloat(), 2.5);
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do_check_eq(is.readDouble(), Math.SQRT2);
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do_check_eq(is.readCString(), "Mozilla");
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do_check_eq(is.readString(), "Gecko");
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// Remember, we wrote HelloStr twice - once as a string, and then as an array.
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do_check_eq(is.available(), HelloStr.length * 2);
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msg = is.readBytes(HelloStr.length);
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do_check_eq(msg, HelloStr);
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msg = null;
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countObj.value = -1;
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do_check_eq(is.available(), HelloStr.length);
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msg = is.readByteArray(HelloStr.length)
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do_check_eq(typeof msg, typeof HelloArray);
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do_check_eq(msg.toSource(), HelloArray.toSource());
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do_check_eq(is.available(), 0);
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// Test for invalid actions.
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os.close();
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is.close();
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try {
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os.writeBoolean(false);
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do_throw("Not reached!");
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} catch (e if (e instanceof Ci.nsIException &&
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e.result == Cr.NS_BASE_STREAM_CLOSED)) {
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// do nothing
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}
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try {
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is.available();
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do_throw("Not reached!");
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} catch (e if (e instanceof Ci.nsIException &&
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e.result == Cr.NS_BASE_STREAM_CLOSED)) {
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// do nothing
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}
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try {
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is.readBoolean();
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do_throw("Not reached!");
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} catch (e if (e instanceof Ci.nsIException &&
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e.result == Cr.NS_ERROR_FAILURE)) {
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// do nothing
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}
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}
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function run_test() {
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test_binary_streams();
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}
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