Index: test/codegen/lib/html/typed_arrays_2_test.dart |
diff --git a/test/codegen/lib/html/typed_arrays_2_test.dart b/test/codegen/lib/html/typed_arrays_2_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5a0d83a4db8076814fdbe6859c4ad56f8addeca6 |
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+++ b/test/codegen/lib/html/typed_arrays_2_test.dart |
@@ -0,0 +1,86 @@ |
+// Copyright (c) 2012, 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. |
+ |
+library TypedArrays2Test; |
+import 'package:unittest/unittest.dart'; |
+import 'package:unittest/html_config.dart'; |
+import 'dart:html'; |
+import 'dart:typed_data'; |
+ |
+main() { |
+ useHtmlConfiguration(); |
+ |
+ // Only perform tests if ArrayBuffer is supported. |
+ if (!Platform.supportsTypedData) { |
+ return; |
+ } |
+ |
+ test('viewTest_dynamic', () { |
+ var a1 = new Uint8List(1024); |
+ for (int i = 0; i < a1.length; i++) { |
+ a1[i] = i; // 0,1,2,...,254,255,0,1,2,... |
+ } |
+ |
+ var a2 = new Uint32List.view(a1.buffer); |
+ expect(1024 ~/ 4, a2.length); |
+ expect(a2[0], 0x03020100); |
+ expect(a2[1], 0x07060504); |
+ expect(a2[2], 0x0B0A0908); |
+ expect(a2[50], 0xCBCAC9C8); |
+ expect(a2[51], 0xCFCECDCC); |
+ expect(a2[64], 0x03020100); |
+ |
+ a2 = new Uint32List.view(a1.buffer, 200); |
+ expect(a2.length, (1024 - 200) ~/ 4); |
+ expect(a2[0], 0xCBCAC9C8); |
+ expect(a2[1], 0xCFCECDCC); |
+ expect(a2[14], 0x03020100); |
+ |
+ a2 = new Uint32List.view(a1.buffer, 456, 20); |
+ expect(a2.length, 20); |
+ expect(a2[0], 0xCBCAC9C8); |
+ expect(a2[1], 0xCFCECDCC); |
+ expect(a2[14], 0x03020100); |
+ |
+ // OPTIONALS a2 = new Uint32List.view(a1.buffer, length: 30, byteOffset: 456); |
+ a2 = new Uint32List.view(a1.buffer, 456, 30); |
+ expect(a2.length, 30); |
+ expect(a2[0], 0xCBCAC9C8); |
+ expect(a2[1], 0xCFCECDCC); |
+ expect(a2[14], 0x03020100); |
+ }); |
+ |
+ test('viewTest_typed', () { |
+ Uint8List a1 = new Uint8List(1024); |
+ for (int i = 0; i < a1.length; i++) { |
+ a1[i] = i; |
+ } |
+ |
+ Uint32List a2 = new Uint32List.view(a1.buffer); |
+ expect(a2.length, 1024 ~/ 4); |
+ expect(a2[0], 0x03020100); |
+ expect(a2[50], 0xCBCAC9C8); |
+ expect(a2[51], 0xCFCECDCC); |
+ expect(a2[64], 0x03020100); |
+ |
+ a2 = new Uint32List.view(a1.buffer, 200); |
+ expect(a2.length, (1024 - 200) ~/ 4); |
+ expect(a2[0], 0xCBCAC9C8); |
+ expect(a2[1], 0xCFCECDCC); |
+ expect(a2[14], 0x03020100); |
+ |
+ a2 = new Uint32List.view(a1.buffer, 456, 20); |
+ expect(20, a2.length); |
+ expect(a2[0], 0xCBCAC9C8); |
+ expect(a2[1], 0xCFCECDCC); |
+ expect(a2[14], 0x03020100); |
+ |
+ // OPTIONALS a2 = new Uint32List.view(a1.buffer, length: 30, byteOffset: 456); |
+ a2 = new Uint32List.view(a1.buffer, 456, 30); |
+ expect(a2.length, 30); |
+ expect(a2[0], 0xCBCAC9C8); |
+ expect(a2[1], 0xCFCECDCC); |
+ expect(a2[14], 0x03020100); |
+ }); |
+} |