gecko/modules/libjar/zipwriter/test/unit/test_bug399727.js

120 lines
4.2 KiB
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 Zip Writer Component.
*
* The Initial Developer of the Original Code is
* Dave Townsend <dtownsend@oxymoronical.com>.
*
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 *****
*/
function BinaryComparer(file, callback) {
var fstream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
fstream.init(file, -1, 0, 0);
this.length = file.fileSize;
this.fileStream = Cc["@mozilla.org/binaryinputstream;1"].
createInstance(Ci.nsIBinaryInputStream);
this.fileStream.setInputStream(fstream);
this.offset = 0;
this.callback = callback;
}
BinaryComparer.prototype = {
fileStream: null,
offset: null,
length: null,
callback: null,
onStartRequest: function(aRequest, aContext) {
},
onStopRequest: function(aRequest, aContext, aStatusCode) {
this.fileStream.close();
do_check_eq(aStatusCode, Components.results.NS_OK);
do_check_eq(this.offset, this.length);
this.callback();
},
onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, aCount) {
var stream = Cc["@mozilla.org/binaryinputstream;1"].
createInstance(Ci.nsIBinaryInputStream);
stream.setInputStream(aInputStream);
var source, actual;
for (var i = 0; i < aCount; i++) {
try {
source = this.fileStream.read8();
}
catch (e) {
do_throw("Unable to read from file at offset " + this.offset + " " + e);
}
try {
actual = stream.read8();
}
catch (e) {
do_throw("Unable to read from converted stream at offset " + this.offset + " " + e);
}
if (source != actual)
do_throw("Invalid value " + actual + " at offset " + this.offset + ", should have been " + source);
this.offset++;
}
}
}
function comparer_callback()
{
do_test_finished();
}
function run_test()
{
var source = do_get_file(DATA_DIR + "test_bug399727.html");
var comparer = new BinaryComparer(do_get_file(DATA_DIR + "test_bug399727.zlib"),
comparer_callback);
// Prepare the stream converter
var scs = Cc["@mozilla.org/streamConverters;1"].
getService(Ci.nsIStreamConverterService);
var converter = scs.asyncConvertData("uncompressed", "deflate", comparer, null);
// Open the expected output file
var fstream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
fstream.init(source, -1, 0, 0);
// Set up a pump to push data from the file to the stream converter
var pump = Cc["@mozilla.org/network/input-stream-pump;1"].
createInstance(Ci.nsIInputStreamPump);
pump.init(fstream, -1, -1, 0, 0, true);
pump.asyncRead(converter, null);
do_test_pending();
}