| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| import 'dart:html'; |
| import 'dart:typed_data'; |
| |
| import 'package:expect/minitest.dart'; |
| |
| main() { |
| group('supported', () { |
| test('supported', () { |
| expect(Crypto.supported, true); |
| }); |
| }); |
| |
| group('functional', () { |
| if (Crypto.supported) { |
| // This will actually pass on FF since it has a Crypto API, but it is |
| // incompatible. |
| test('exists', () { |
| var crypto = window.crypto; |
| expect(crypto is Crypto, isTrue); |
| }); |
| |
| test('successful call', () { |
| var crypto = window.crypto; |
| var data = new Uint8List(100); |
| expect(data.every((e) => e == 0), isTrue); |
| crypto.getRandomValues(data); |
| // In theory this is flaky. However, in practice you will get 100 zeroes |
| // in a row from a cryptographically secure random number generator so |
| // rarely that we don't have to worry about it. |
| expect(data.any((e) => e != 0), isTrue); |
| }); |
| |
| test('type mismatch', () { |
| var crypto = window.crypto; |
| var data = new Float32List(100); |
| expect(() { |
| crypto.getRandomValues(data); |
| }, throws, reason: 'Only typed array views with integer types allowed'); |
| }); |
| } |
| }); |
| } |