The Tor Browser: modules/libjar/zipwriter/test/unit/test

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/.

     4  */

     6 function BinaryComparer(file, callback) {

     7   var fstream = Cc["@mozilla.org/network/file-input-stream;1"].

     8                 createInstance(Ci.nsIFileInputStream);

     9   fstream.init(file, -1, 0, 0);

    10   this.length = file.fileSize;

    11   this.fileStream = Cc["@mozilla.org/binaryinputstream;1"].

    12                     createInstance(Ci.nsIBinaryInputStream);

    13   this.fileStream.setInputStream(fstream);

    14   this.offset = 0;

    15   this.callback = callback;

    16 }

    18 BinaryComparer.prototype = {

    19   fileStream: null,

    20   offset: null,

    21   length: null,

    22   callback: null,

    24   onStartRequest: function(aRequest, aContext) {

    25   },

    27   onStopRequest: function(aRequest, aContext, aStatusCode) {

    28     this.fileStream.close();

    29     do_check_eq(aStatusCode, Components.results.NS_OK);

    30     do_check_eq(this.offset, this.length);

    31     this.callback();

    32   },

    34   onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, aCount) {

    35     var stream = Cc["@mozilla.org/binaryinputstream;1"].

    36                  createInstance(Ci.nsIBinaryInputStream);

    37     stream.setInputStream(aInputStream);

    38     var source, actual;

    39     for (var i = 0; i < aCount; i++) {

    40       try {

    41         source = this.fileStream.read8();

    42       }

    43       catch (e) {

    44         do_throw("Unable to read from file at offset " + this.offset + " " + e);

    45       }

    46       try {

    47         actual = stream.read8();

    48       }

    49       catch (e) {

    50         do_throw("Unable to read from converted stream at offset " + this.offset + " " + e);

    51       }

    52       if (source != actual)

    53         do_throw("Invalid value " + actual + " at offset " + this.offset + ", should have been " + source);

    54       this.offset++;

    55     }

    56   }

    57 }

    59 function comparer_callback()

    60 {

    61   do_test_finished();

    62 }

    64 function run_test()

    65 {

    66   var source = do_get_file(DATA_DIR + "test_bug399727.html");

    67   var comparer = new BinaryComparer(do_get_file(DATA_DIR + "test_bug399727.zlib"),

    68                                     comparer_callback);

    70   // Prepare the stream converter

    71   var scs = Cc["@mozilla.org/streamConverters;1"].

    72             getService(Ci.nsIStreamConverterService);

    73   var converter = scs.asyncConvertData("uncompressed", "deflate", comparer, null);

    75   // Open the expected output file

    76   var fstream = Cc["@mozilla.org/network/file-input-stream;1"].

    77                 createInstance(Ci.nsIFileInputStream);

    78   fstream.init(source, -1, 0, 0);

    80   // Set up a pump to push data from the file to the stream converter

    81   var pump = Cc["@mozilla.org/network/input-stream-pump;1"].

    82              createInstance(Ci.nsIInputStreamPump);

    83   pump.init(fstream, -1, -1, 0, 0, true);

    84   pump.asyncRead(converter, null);

    85   do_test_pending();

    86 }

The Tor Browser / file revision