| // 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. |
| |
| // This file contains tests that are only supported by the Dart VM. For |
| // example, on the Web there's no way to express large integers. |
| @TestOn('!chrome') |
| |
| import 'dart:typed_data'; |
| |
| import 'package:flutter/services.dart'; |
| import '../flutter_test_alternative.dart'; |
| import 'message_codecs_testing.dart'; |
| |
| void main() { |
| group('JSON message codec', () { |
| const MessageCodec<dynamic> json = JSONMessageCodec(); |
| test('should encode and decode big numbers', () { |
| checkEncodeDecode<dynamic>(json, 9223372036854775807); |
| checkEncodeDecode<dynamic>(json, -9223372036854775807); |
| }); |
| test('should encode and decode list with a big number', () { |
| final List<dynamic> message = <dynamic>[-7000000000000000007]; |
| checkEncodeDecode<dynamic>(json, message); |
| }); |
| }); |
| group('Standard message codec', () { |
| const MessageCodec<dynamic> standard = StandardMessageCodec(); |
| test('should encode integers correctly at boundary cases', () { |
| checkEncoding<dynamic>( |
| standard, |
| -0x7fffffff - 1, |
| <int>[3, 0x00, 0x00, 0x00, 0x80], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| -0x7fffffff - 2, |
| <int>[4, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| 0x7fffffff, |
| <int>[3, 0xff, 0xff, 0xff, 0x7f], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| 0x7fffffff + 1, |
| <int>[4, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| -0x7fffffffffffffff - 1, |
| <int>[4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| -0x7fffffffffffffff - 2, |
| <int>[4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| 0x7fffffffffffffff, |
| <int>[4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f], |
| ); |
| checkEncoding<dynamic>( |
| standard, |
| 0x7fffffffffffffff + 1, |
| <int>[4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80], |
| ); |
| }); |
| test('should encode and decode big numbers', () { |
| checkEncodeDecode<dynamic>(standard, 9223372036854775807); |
| checkEncodeDecode<dynamic>(standard, -9223372036854775807); |
| }); |
| test('should encode and decode a list containing big numbers', () { |
| final List<dynamic> message = <dynamic>[ |
| -7000000000000000007, |
| Int64List.fromList( |
| <int>[-0x7fffffffffffffff - 1, 0, 0x7fffffffffffffff]), |
| ]; |
| checkEncodeDecode<dynamic>(standard, message); |
| }); |
| }); |
| } |