The Tor Browser / file comparison
comparison: modules/libjar/zipwriter/test/unit/test_bug717061.js
modules/libjar/zipwriter/test/unit/test_bug717061.js
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- 6474c204b198
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| -1:000000000000 | 0:da18c28db6bb |
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0 | |
| 3 */ | |
| 4 | |
| 5 function BinaryComparer(file, callback) { | |
| 6 var fstream = Cc["@mozilla.org/network/file-input-stream;1"]. | |
| 7 createInstance(Ci.nsIFileInputStream); | |
| 8 fstream.init(file, -1, 0, 0); | |
| 9 this.length = file.fileSize; | |
| 10 this.fileStream = Cc["@mozilla.org/binaryinputstream;1"]. | |
| 11 createInstance(Ci.nsIBinaryInputStream); | |
| 12 this.fileStream.setInputStream(fstream); | |
| 13 this.offset = 0; | |
| 14 this.callback = callback; | |
| 15 } | |
| 16 | |
| 17 BinaryComparer.prototype = { | |
| 18 fileStream: null, | |
| 19 offset: null, | |
| 20 length: null, | |
| 21 callback: null, | |
| 22 | |
| 23 onStartRequest: function(aRequest, aContext) { | |
| 24 }, | |
| 25 | |
| 26 onStopRequest: function(aRequest, aContext, aStatusCode) { | |
| 27 this.fileStream.close(); | |
| 28 do_check_eq(aStatusCode, Components.results.NS_OK); | |
| 29 do_check_eq(this.offset, this.length); | |
| 30 this.callback(); | |
| 31 }, | |
| 32 | |
| 33 onDataAvailable: function(aRequest, aContext, aInputStream, aOffset, aCount) { | |
| 34 var stream = Cc["@mozilla.org/binaryinputstream;1"]. | |
| 35 createInstance(Ci.nsIBinaryInputStream); | |
| 36 stream.setInputStream(aInputStream); | |
| 37 var source, actual; | |
| 38 for (var i = 0; i < aCount; i++) { | |
| 39 try { | |
| 40 source = this.fileStream.read8(); | |
| 41 } | |
| 42 catch (e) { | |
| 43 do_throw("Unable to read from file at offset " + this.offset + " " + e); | |
| 44 } | |
| 45 try { | |
| 46 actual = stream.read8(); | |
| 47 } | |
| 48 catch (e) { | |
| 49 do_throw("Unable to read from converted stream at offset " + this.offset + " " + e); | |
| 50 } | |
| 51 // The byte at offset 9 is the OS byte (see RFC 1952, section 2.3), which | |
| 52 // can legitimately differ when the source is compressed on different | |
| 53 // operating systems. The actual .gz for this test was created on a Unix | |
| 54 // system, but we want the test to work correctly everywhere. So ignore | |
| 55 // the byte at offset 9. | |
| 56 if (this.offset == 9) | |
| 57 ; | |
| 58 else if (source != actual) | |
| 59 do_throw("Invalid value " + actual + " at offset " + this.offset + ", should have been " + source); | |
| 60 this.offset++; | |
| 61 } | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 function comparer_callback() | |
| 66 { | |
| 67 do_test_finished(); | |
| 68 } | |
| 69 | |
| 70 function run_test() | |
| 71 { | |
| 72 var source = do_get_file(DATA_DIR + "test_bug717061.html"); | |
| 73 var comparer = new BinaryComparer(do_get_file(DATA_DIR + "test_bug717061.gz"), | |
| 74 comparer_callback); | |
| 75 | |
| 76 // Prepare the stream converter | |
| 77 var scs = Cc["@mozilla.org/streamConverters;1"]. | |
| 78 getService(Ci.nsIStreamConverterService); | |
| 79 var converter = scs.asyncConvertData("uncompressed", "gzip", comparer, null); | |
| 80 | |
| 81 // Open the expected output file | |
| 82 var fstream = Cc["@mozilla.org/network/file-input-stream;1"]. | |
| 83 createInstance(Ci.nsIFileInputStream); | |
| 84 fstream.init(source, -1, 0, 0); | |
| 85 | |
| 86 // Set up a pump to push data from the file to the stream converter | |
| 87 var pump = Cc["@mozilla.org/network/input-stream-pump;1"]. | |
| 88 createInstance(Ci.nsIInputStreamPump); | |
| 89 pump.init(fstream, -1, -1, 0, 0, true); | |
| 90 pump.asyncRead(converter, null); | |
| 91 do_test_pending(); | |
| 92 } |
