| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'dart:convert'; |
| import 'dart:typed_data'; |
| |
| import 'package:convert/convert.dart'; |
| import 'package:flutter_tools/src/build_system/hash.dart'; |
| |
| import '../../src/common.dart'; |
| |
| void main() { |
| |
| // Examples taken from https://en.wikipedia.org/wiki/MD5 |
| testWithoutContext('md5 control test zero length string', () { |
| final Md5Hash hash = Md5Hash(); |
| |
| expect(hex.encode(hash.finalize().buffer.asUint8List()), 'd41d8cd98f00b204e9800998ecf8427e'); |
| }); |
| |
| testWithoutContext('md5 control test fox test', () { |
| final Md5Hash hash = Md5Hash(); |
| hash.addChunk(ascii.encode('The quick brown fox jumps over the lazy dog')); |
| |
| expect(hex.encode(hash.finalize().buffer.asUint8List()), '9e107d9d372bb6826bd81d3542a419d6'); |
| }); |
| |
| testWithoutContext('md5 control test fox test with period', () { |
| final Md5Hash hash = Md5Hash(); |
| hash.addChunk(ascii.encode('The quick brown fox jumps over the lazy dog.')); |
| |
| expect(hex.encode(hash.finalize().buffer.asUint8List()), 'e4d909c290d0fb1ca068ffaddf22cbd0'); |
| }); |
| |
| testWithoutContext('Can hash bytes less than 64 length', () { |
| final Uint8List bytes = Uint8List.fromList(<int>[1, 2, 3, 4, 5, 6]); |
| final Md5Hash hashA = Md5Hash(); |
| hashA.addChunk(bytes); |
| |
| expect(hashA.finalize(), <int>[1810219370, 268668871, 3900423769, 1277973076]); |
| |
| final Md5Hash hashB = Md5Hash(); |
| hashB.addChunk(bytes); |
| |
| expect(hashB.finalize(), <int>[1810219370, 268668871, 3900423769, 1277973076]); |
| }); |
| |
| testWithoutContext('Can hash bytes exactly 64 length', () { |
| final Uint8List bytes = Uint8List.fromList(List<int>.filled(64, 2)); |
| final Md5Hash hashA = Md5Hash(); |
| hashA.addChunk(bytes); |
| |
| expect(hashA.finalize(), <int>[260592333, 2557619848, 2729912077, 812879060]); |
| |
| final Md5Hash hashB = Md5Hash(); |
| hashB.addChunk(bytes); |
| |
| expect(hashB.finalize(), <int>[260592333, 2557619848, 2729912077, 812879060]); |
| }); |
| |
| testWithoutContext('Can hash bytes more than 64 length', () { |
| final Uint8List bytes = Uint8List.fromList(List<int>.filled(514, 2)); |
| final Md5Hash hashA = Md5Hash(); |
| hashA.addChunk(bytes); |
| |
| expect(hashA.finalize(), <int>[387658779, 2003142991, 243395797, 1487291259]); |
| |
| final Md5Hash hashB = Md5Hash(); |
| hashB.addChunk(bytes); |
| |
| expect(hashB.finalize(), <int>[387658779, 2003142991, 243395797, 1487291259]); |
| }); |
| } |