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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 #library('TypedArrays2Test'); | |
| 6 #import('../../../../lib/unittest/unittest.dart'); | |
| 7 #import('../../../../lib/unittest/dom_config.dart'); | |
| 8 #import('dart:dom'); | |
| 9 | |
| 10 main() { | |
| 11 | |
| 12 useDomConfiguration(); | |
| 13 | |
| 14 test('fromBufferTest_dynamic', () { | |
| 15 var a1 = new Uint8Array(1024); | |
| 16 for (int i = 0; i < a1.length; i++) { | |
| 17 a1[i] = i; | |
| 18 } | |
| 19 | |
| 20 var a2 = new Uint32Array.fromBuffer(a1.buffer); | |
| 21 Expect.equals(1024 ~/ 4, a2.length); | |
| 22 Expect.equals(0x03020100, a2[0]); | |
| 23 Expect.equals(0x07060504, a2[1]); | |
| 24 Expect.equals(0x0B0A0908, a2[2]); | |
| 25 Expect.equals(0xCBCAC9C8, a2[50]); | |
| 26 Expect.equals(0xCFCECDCC, a2[51]); | |
| 27 Expect.equals(0x03020100, a2[64]); | |
| 28 | |
| 29 a2 = new Uint32Array.fromBuffer(a1.buffer, 200); | |
| 30 Expect.equals((1024 - 200) ~/ 4, a2.length); | |
| 31 Expect.equals(0xCBCAC9C8, a2[0]); | |
| 32 Expect.equals(0xCFCECDCC, a2[1]); | |
| 33 Expect.equals(0x03020100, a2[14]); | |
| 34 | |
| 35 a2 = new Uint32Array.fromBuffer(a1.buffer, 456, 20); | |
| 36 Expect.equals(20, a2.length); | |
| 37 Expect.equals(0xCBCAC9C8, a2[0]); | |
| 38 Expect.equals(0xCFCECDCC, a2[1]); | |
| 39 Expect.equals(0x03020100, a2[14]); | |
| 40 | |
| 41 a2 = new Uint32Array.fromBuffer(a1.buffer, length: 30, byteOffset: 456); | |
| 42 Expect.equals(30, a2.length); | |
| 43 Expect.equals(0xCBCAC9C8, a2[0]); | |
| 44 Expect.equals(0xCFCECDCC, a2[1]); | |
| 45 Expect.equals(0x03020100, a2[14]); | |
| 46 }); | |
| 47 | |
| 48 test('fromBufferTest_typed', () { | |
| 49 Uint8Array a1 = new Uint8Array(1024); | |
| 50 for (int i = 0; i < a1.length; i++) { | |
| 51 a1[i] = i; | |
| 52 } | |
| 53 | |
| 54 Uint32Array a2 = new Uint32Array.fromBuffer(a1.buffer); | |
| 55 Expect.equals(1024 ~/ 4, a2.length); | |
| 56 Expect.equals(0x03020100, a2[0]); | |
| 57 Expect.equals(0xCBCAC9C8, a2[50]); | |
| 58 Expect.equals(0xCFCECDCC, a2[51]); | |
| 59 Expect.equals(0x03020100, a2[64]); | |
| 60 | |
| 61 a2 = new Uint32Array.fromBuffer(a1.buffer, 200); | |
| 62 Expect.equals((1024 - 200) ~/ 4, a2.length); | |
| 63 Expect.equals(0xCBCAC9C8, a2[0]); | |
| 64 Expect.equals(0xCFCECDCC, a2[1]); | |
| 65 Expect.equals(0x03020100, a2[14]); | |
| 66 | |
| 67 a2 = new Uint32Array.fromBuffer(a1.buffer, 456, 20); | |
| 68 Expect.equals(20, a2.length); | |
| 69 Expect.equals(0xCBCAC9C8, a2[0]); | |
| 70 Expect.equals(0xCFCECDCC, a2[1]); | |
| 71 Expect.equals(0x03020100, a2[14]); | |
| 72 | |
| 73 a2 = new Uint32Array.fromBuffer(a1.buffer, length: 30, byteOffset: 456); | |
| 74 Expect.equals(30, a2.length); | |
| 75 Expect.equals(0xCBCAC9C8, a2[0]); | |
| 76 Expect.equals(0xCFCECDCC, a2[1]); | |
| 77 Expect.equals(0x03020100, a2[14]); | |
| 78 }); | |
| 79 } | |
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