610955f81d
* upgrade to linter-0.1.30 * add prefer_is_empty lint * add directives_ordering lint * add no_adjacent_strings_in_list lint * add no_duplicate_case_values lint * add prefer_collection_literals lint * add prefer_const_constructors lint * add prefer_contains lint * add prefer_initializing_formals lint * add unnecessary_null_aware_assignments lint * add unnecessary_null_in_if_null_operators lint
81 lines
3.1 KiB
Dart
81 lines
3.1 KiB
Dart
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:typed_data';
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import 'package:flutter/foundation.dart';
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import 'package:test/test.dart';
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void main() {
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group('Write and read buffer round-trip', () {
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test('of single byte', () {
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final WriteBuffer write = new WriteBuffer();
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write.putUint8(201);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(1));
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final ReadBuffer read = new ReadBuffer(written);
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expect(read.getUint8(), equals(201));
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});
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test('of 32-bit integer', () {
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final WriteBuffer write = new WriteBuffer();
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write.putInt32(-9);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(4));
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final ReadBuffer read = new ReadBuffer(written);
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expect(read.getInt32(), equals(-9));
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});
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test('of 64-bit integer', () {
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final WriteBuffer write = new WriteBuffer();
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write.putInt64(-9000000000000);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(8));
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final ReadBuffer read = new ReadBuffer(written);
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expect(read.getInt64(), equals(-9000000000000));
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});
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test('of double', () {
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final WriteBuffer write = new WriteBuffer();
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write.putFloat64(3.14);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(8));
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final ReadBuffer read = new ReadBuffer(written);
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expect(read.getFloat64(), equals(3.14));
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});
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test('of 32-bit int list when unaligned', () {
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final Int32List integers = new Int32List.fromList(<int>[-99, 2, 99]);
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final WriteBuffer write = new WriteBuffer();
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write.putUint8(9);
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write.putInt32List(integers);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(16));
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final ReadBuffer read = new ReadBuffer(written);
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read.getUint8();
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expect(read.getInt32List(3), equals(integers));
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});
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test('of 64-bit int list when unaligned', () {
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final Int64List integers = new Int64List.fromList(<int>[-99, 2, 99]);
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final WriteBuffer write = new WriteBuffer();
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write.putUint8(9);
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write.putInt64List(integers);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(32));
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final ReadBuffer read = new ReadBuffer(written);
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read.getUint8();
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expect(read.getInt64List(3), equals(integers));
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});
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test('of double list when unaligned', () {
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final Float64List doubles = new Float64List.fromList(<double>[3.14, double.NAN]);
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final WriteBuffer write = new WriteBuffer();
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write.putUint8(9);
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write.putFloat64List(doubles);
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final ByteData written = write.done();
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expect(written.lengthInBytes, equals(24));
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final ReadBuffer read = new ReadBuffer(written);
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read.getUint8();
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final Float64List readDoubles = read.getFloat64List(2);
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expect(readDoubles[0], equals(3.14));
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expect(readDoubles[1], isNaN);
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});
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});
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}
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