mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
87 lines
2.7 KiB
JavaScript
87 lines
2.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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function BinaryComparer(file, callback) {
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var fstream = Cc["@mozilla.org/network/file-input-stream;1"].
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createInstance(Ci.nsIFileInputStream);
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fstream.init(file, -1, 0, 0);
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this.length = file.fileSize;
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this.fileStream = Cc["@mozilla.org/binaryinputstream;1"].
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createInstance(Ci.nsIBinaryInputStream);
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this.fileStream.setInputStream(fstream);
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this.offset = 0;
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this.callback = callback;
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}
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BinaryComparer.prototype = {
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fileStream: null,
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offset: null,
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length: null,
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callback: null,
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onStartRequest: function(aRequest, aContext) {
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},
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onStopRequest: function(aRequest, aContext, aStatusCode) {
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this.fileStream.close();
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do_check_eq(aStatusCode, Components.results.NS_OK);
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do_check_eq(this.offset, this.length);
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this.callback();
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},
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onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, aCount) {
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var stream = Cc["@mozilla.org/binaryinputstream;1"].
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createInstance(Ci.nsIBinaryInputStream);
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stream.setInputStream(aInputStream);
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var source, actual;
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for (var i = 0; i < aCount; i++) {
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try {
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source = this.fileStream.read8();
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}
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catch (e) {
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do_throw("Unable to read from file at offset " + this.offset + " " + e);
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}
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try {
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actual = stream.read8();
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}
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catch (e) {
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do_throw("Unable to read from converted stream at offset " + this.offset + " " + e);
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}
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if (source != actual)
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do_throw("Invalid value " + actual + " at offset " + this.offset + ", should have been " + source);
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this.offset++;
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}
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}
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}
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function comparer_callback()
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{
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do_test_finished();
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}
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function run_test()
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{
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var source = do_get_file(DATA_DIR + "test_bug399727.html");
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var comparer = new BinaryComparer(do_get_file(DATA_DIR + "test_bug399727.zlib"),
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comparer_callback);
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// Prepare the stream converter
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var scs = Cc["@mozilla.org/streamConverters;1"].
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getService(Ci.nsIStreamConverterService);
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var converter = scs.asyncConvertData("uncompressed", "deflate", comparer, null);
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// Open the expected output file
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var fstream = Cc["@mozilla.org/network/file-input-stream;1"].
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createInstance(Ci.nsIFileInputStream);
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fstream.init(source, -1, 0, 0);
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// Set up a pump to push data from the file to the stream converter
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var pump = Cc["@mozilla.org/network/input-stream-pump;1"].
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createInstance(Ci.nsIInputStreamPump);
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pump.init(fstream, -1, -1, 0, 0, true);
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pump.asyncRead(converter, null);
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do_test_pending();
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}
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