| // Copyright (c) 2016, 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. |
| |
| import 'package:convert/convert.dart'; |
| import 'package:test/test.dart'; |
| |
| void main() { |
| late ByteAccumulatorSink sink; |
| setUp(() { |
| sink = ByteAccumulatorSink(); |
| }); |
| |
| test('provides access to the concatenated bytes', () { |
| expect(sink.bytes, isEmpty); |
| |
| sink.add([1, 2, 3]); |
| expect(sink.bytes, equals([1, 2, 3])); |
| |
| sink.addSlice([4, 5, 6, 7, 8], 1, 4, false); |
| expect(sink.bytes, equals([1, 2, 3, 5, 6, 7])); |
| }); |
| |
| test('clear() clears the bytes', () { |
| sink.add([1, 2, 3]); |
| expect(sink.bytes, equals([1, 2, 3])); |
| |
| sink.clear(); |
| expect(sink.bytes, isEmpty); |
| |
| sink.add([4, 5, 6]); |
| expect(sink.bytes, equals([4, 5, 6])); |
| }); |
| |
| test('indicates whether the sink is closed', () { |
| expect(sink.isClosed, isFalse); |
| sink.close(); |
| expect(sink.isClosed, isTrue); |
| }); |
| |
| test('indicates whether the sink is closed via addSlice', () { |
| expect(sink.isClosed, isFalse); |
| sink.addSlice([], 0, 0, true); |
| expect(sink.isClosed, isTrue); |
| }); |
| |
| test("doesn't allow add() to be called after close()", () { |
| sink.close(); |
| expect(() => sink.add([1]), throwsStateError); |
| }); |
| |
| test("doesn't allow addSlice() to be called after close()", () { |
| sink.close(); |
| expect(() => sink.addSlice([], 0, 0, false), throwsStateError); |
| }); |
| } |