mirror of
https://github.com/dart-lang/sdk
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e7d4c48a80
Change-Id: I9a51ae6a1f8f4d018da289b6f29ab18053304c19 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132341 Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
74 lines
2.3 KiB
Dart
74 lines
2.3 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:typed_data';
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import 'package:expect/expect.dart';
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/// Check that normal dynamic invariant enforcement applies for arguments,
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/// also with these constructors of built-in types.
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checkLengthConstructors() {
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check(creator) {
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Expect.throws(() => creator(null));
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Expect.throws(() => creator(8.5));
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Expect.throws(() => creator('10'));
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var a = creator(10);
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Expect.equals(10, a.length);
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}
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check((a) => new Float32List(a));
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check((a) => new Float64List(a));
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check((a) => new Int8List(a));
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check((a) => new Int8List(a));
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check((a) => new Int16List(a));
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check((a) => new Int32List(a));
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check((a) => new Uint8List(a));
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check((a) => new Uint16List(a));
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check((a) => new Uint32List(a));
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}
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checkViewConstructors() {
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var buffer = new Int8List(256).buffer;
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check1(creator) {
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Expect.throws(() => creator(10));
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Expect.throws(() => creator(null));
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var a = creator(buffer);
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Expect.equals(buffer, a.buffer);
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}
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check2(creator) {
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Expect.throws(() => creator(10, 0));
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Expect.throws(() => creator(null, 0));
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Expect.throws(() => creator(buffer, null));
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Expect.throws(() => creator(buffer, '8'));
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var a = creator(buffer, 8);
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Expect.equals(buffer, a.buffer);
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}
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check1((a) => new Float32List.view(a));
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check1((a) => new Float64List.view(a));
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check1((a) => new Int8List.view(a));
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check1((a) => new Int8List.view(a));
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check1((a) => new Int16List.view(a));
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check1((a) => new Int32List.view(a));
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check1((a) => new Uint8List.view(a));
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check1((a) => new Uint16List.view(a));
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check1((a) => new Uint32List.view(a));
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check2((a, b) => new Float32List.view(a, b));
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check2((a, b) => new Float64List.view(a, b));
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check2((a, b) => new Int8List.view(a, b));
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check2((a, b) => new Int8List.view(a, b));
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check2((a, b) => new Int16List.view(a, b));
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check2((a, b) => new Int32List.view(a, b));
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check2((a, b) => new Uint8List.view(a, b));
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check2((a, b) => new Uint16List.view(a, b));
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check2((a, b) => new Uint32List.view(a, b));
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}
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main() {
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checkLengthConstructors();
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checkViewConstructors();
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}
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