mirror of
https://github.com/flutter/flutter.git
synced 2025-06-03 00:51:18 +00:00
390993d070
New concepts: PlatformMessageChannel (basic message send/receive superseding some existing PlatformMessages methods), PlatformMethodChannel (method invocation and event streams), pluggable codecs for messages and method calls: unencoded binary, string, json, and 'standard' flutter binary encoding.
80 lines
3.0 KiB
Dart
80 lines
3.0 KiB
Dart
// Copyright 2017 The Chromium 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 'package:flutter/foundation.dart';
|
|
import 'package:test/test.dart';
|
|
|
|
import 'dart:typed_data';
|
|
|
|
void main() {
|
|
group('Write and read buffer round-trip', () {
|
|
test('of single byte', () {
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putUint8(201);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(1));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
expect(read.getUint8(), equals(201));
|
|
});
|
|
test('of 32-bit integer', () {
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putInt32(-9);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(4));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
expect(read.getInt32(), equals(-9));
|
|
});
|
|
test('of 64-bit integer', () {
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putInt64(-9000000000000);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(8));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
expect(read.getInt64(), equals(-9000000000000));
|
|
});
|
|
test('of double', () {
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putFloat64(3.14);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(8));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
expect(read.getFloat64(), equals(3.14));
|
|
});
|
|
test('of 32-bit int list when unaligned', () {
|
|
final Int32List integers = new Int32List.fromList(<int>[-99, 2, 99]);
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putUint8(9);
|
|
write.putInt32List(integers);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(16));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
read.getUint8();
|
|
expect(read.getInt32List(3), equals(integers));
|
|
});
|
|
test('of 64-bit int list when unaligned', () {
|
|
final Int64List integers = new Int64List.fromList(<int>[-99, 2, 99]);
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putUint8(9);
|
|
write.putInt64List(integers);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(32));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
read.getUint8();
|
|
expect(read.getInt64List(3), equals(integers));
|
|
});
|
|
test('of double list when unaligned', () {
|
|
final Float64List doubles = new Float64List.fromList(<double>[3.14, double.NAN]);
|
|
final WriteBuffer write = new WriteBuffer();
|
|
write.putUint8(9);
|
|
write.putFloat64List(doubles);
|
|
final ByteData written = write.done();
|
|
expect(written.lengthInBytes, equals(24));
|
|
final ReadBuffer read = new ReadBuffer(written);
|
|
read.getUint8();
|
|
final Float64List readDoubles = read.getFloat64List(2);
|
|
expect(readDoubles[0], equals(3.14));
|
|
expect(readDoubles[1], isNaN);
|
|
});
|
|
});
|
|
} |