| // 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. |
| // VMOptions=--optimization-counter-threshold=10 --no-background-compilation |
| |
| // @dart = 2.9 |
| |
| // Library tag to be able to run in html test framework. |
| library typed_data_hierarchy_test; |
| |
| import 'dart:typed_data'; |
| import 'package:expect/expect.dart'; |
| |
| var inscrutable = null; |
| |
| void testClampedList() { |
| // Force lookup of Uint8List first. |
| Expect.isTrue(inscrutable(new Uint8List(1)) is Uint8List); |
| |
| Expect.isFalse( |
| new Uint8ClampedList(1) is Uint8List, |
| 'Uint8ClampedList should not be a subtype of Uint8List ' |
| 'in optimizable test'); |
| Expect.isFalse(inscrutable(new Uint8ClampedList(1)) is Uint8List, |
| 'Uint8ClampedList should not be a subtype of Uint8List in dynamic test'); |
| } |
| |
| void implementsTypedData() { |
| Expect.isTrue(inscrutable(new ByteData(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Float32List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Float32x4List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Float64List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Int8List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Int16List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Int32List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Uint8List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Uint8ClampedList(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Uint16List(1)) is TypedData); |
| Expect.isTrue(inscrutable(new Uint32List(1)) is TypedData); |
| } |
| |
| void implementsList() { |
| Expect.isTrue(inscrutable(new Float32List(1)) is List<double>); |
| Expect.isTrue(inscrutable(new Float32x4List(1)) is List<Float32x4>); |
| Expect.isTrue(inscrutable(new Float64List(1)) is List<double>); |
| Expect.isTrue(inscrutable(new Int8List(1)) is List<int>); |
| Expect.isTrue(inscrutable(new Int16List(1)) is List<int>); |
| Expect.isTrue(inscrutable(new Int32List(1)) is List<int>); |
| Expect.isTrue(inscrutable(new Uint8List(1)) is List<int>); |
| Expect.isTrue(inscrutable(new Uint8ClampedList(1)) is List<int>); |
| Expect.isTrue(inscrutable(new Uint16List(1)) is List<int>); |
| Expect.isTrue(inscrutable(new Uint32List(1)) is List<int>); |
| } |
| |
| main() { |
| inscrutable = (x) => x; |
| |
| // Note: this test must come first to control order of lookup on Uint8List and |
| // Uint8ClampedList. |
| testClampedList(); |
| |
| implementsTypedData(); |
| implementsList(); |
| } |