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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 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 | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 // | 4 // |
5 // Dart test program for testing native float arrays. | 5 // Dart test program for testing native float arrays. |
6 | 6 |
7 // Library tag to be able to run in html test framework. | 7 // Library tag to be able to run in html test framework. |
8 library FloatArrayTest; | 8 library FloatArrayTest; |
9 | 9 |
10 import "package:expect/expect.dart"; | 10 import "package:expect/expect.dart"; |
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34 | 34 |
35 floatArray[0] = 20.0; | 35 floatArray[0] = 20.0; |
36 floatArray[1] = 21.0; | 36 floatArray[1] = 21.0; |
37 floatArray[2] = 22.0; | 37 floatArray[2] = 22.0; |
38 list.setRange(0, 3, floatArray); | 38 list.setRange(0, 3, floatArray); |
39 for (int i = 0; i < 3; i++) { | 39 for (int i = 0; i < 3; i++) { |
40 Expect.equals(20 + i, list[i]); | 40 Expect.equals(20 + i, list[i]); |
41 } | 41 } |
42 | 42 |
43 // 4.0e40 is larger than the largest representable float. | 43 // 4.0e40 is larger than the largest representable float. |
44 floatArray.setRange(1, 2, const [8.0, 4.0e40]); | 44 floatArray.setRange(1, 3, const [8.0, 4.0e40]); |
45 Expect.equals(20, floatArray[0]); | 45 Expect.equals(20, floatArray[0]); |
46 Expect.equals(8, floatArray[1]); | 46 Expect.equals(8, floatArray[1]); |
47 Expect.equals(double.INFINITY, floatArray[2]); | 47 Expect.equals(double.INFINITY, floatArray[2]); |
48 } | 48 } |
49 | 49 |
50 void testIndexOutOfRange32() { | 50 void testIndexOutOfRange32() { |
51 Float32List floatArray = new Float32List(3); | 51 Float32List floatArray = new Float32List(3); |
52 List<num> list = const [0.0, 1.0, 2.0, 3.0]; | 52 List<num> list = const [0.0, 1.0, 2.0, 3.0]; |
53 | 53 |
54 Expect.throws(() { | 54 Expect.throws(() { |
55 floatArray[5] = 2.0; | 55 floatArray[5] = 2.0; |
56 }); | 56 }); |
57 Expect.throws(() { | 57 Expect.throws(() { |
58 floatArray.setRange(0, 4, list); | 58 floatArray.setRange(0, 4, list); |
59 }); | 59 }); |
60 | 60 |
61 Expect.throws(() { | 61 Expect.throws(() { |
62 floatArray.setRange(3, 1, list); | 62 floatArray.setRange(3, 4, list); |
63 }); | 63 }); |
64 } | 64 } |
65 | 65 |
66 void testIndexOf32() { | 66 void testIndexOf32() { |
67 var list = new Float32List(10); | 67 var list = new Float32List(10); |
68 for (int i = 0; i < list.length; i++) { | 68 for (int i = 0; i < list.length; i++) { |
69 list[i] = i + 10.0; | 69 list[i] = i + 10.0; |
70 } | 70 } |
71 Expect.equals(0, list.indexOf(10)); | 71 Expect.equals(0, list.indexOf(10)); |
72 Expect.equals(5, list.indexOf(15)); | 72 Expect.equals(5, list.indexOf(15)); |
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118 | 118 |
119 floatArray[0] = 20.0; | 119 floatArray[0] = 20.0; |
120 floatArray[1] = 21.0; | 120 floatArray[1] = 21.0; |
121 floatArray[2] = 22.0; | 121 floatArray[2] = 22.0; |
122 list.setRange(0, 3, floatArray); | 122 list.setRange(0, 3, floatArray); |
123 for (int i = 0; i < 3; i++) { | 123 for (int i = 0; i < 3; i++) { |
124 Expect.equals(20 + i, list[i]); | 124 Expect.equals(20 + i, list[i]); |
125 } | 125 } |
126 | 126 |
127 // Unlike Float32Array we can properly represent 4.0e40 | 127 // Unlike Float32Array we can properly represent 4.0e40 |
128 floatArray.setRange(1, 2, const [8.0, 4.0e40]); | 128 floatArray.setRange(1, 3, const [8.0, 4.0e40]); |
129 Expect.equals(20, floatArray[0]); | 129 Expect.equals(20, floatArray[0]); |
130 Expect.equals(8, floatArray[1]); | 130 Expect.equals(8, floatArray[1]); |
131 Expect.equals(4.0e40, floatArray[2]); | 131 Expect.equals(4.0e40, floatArray[2]); |
132 } | 132 } |
133 | 133 |
134 void testIndexOutOfRange64() { | 134 void testIndexOutOfRange64() { |
135 Float64List floatArray = new Float64List(3); | 135 Float64List floatArray = new Float64List(3); |
136 List<num> list = const [0.0, 1.0, 2.0, 3.0]; | 136 List<num> list = const [0.0, 1.0, 2.0, 3.0]; |
137 | 137 |
138 Expect.throws(() { | 138 Expect.throws(() { |
139 floatArray[5] = 2.0; | 139 floatArray[5] = 2.0; |
140 }); | 140 }); |
141 Expect.throws(() { | 141 Expect.throws(() { |
142 floatArray.setRange(0, 4, list); | 142 floatArray.setRange(0, 4, list); |
143 }); | 143 }); |
144 | 144 |
145 Expect.throws(() { | 145 Expect.throws(() { |
146 floatArray.setRange(3, 1, list); | 146 floatArray.setRange(3, 4, list); |
147 }); | 147 }); |
148 } | 148 } |
149 | 149 |
150 void testIndexOf64() { | 150 void testIndexOf64() { |
151 var list = new Float64List(10); | 151 var list = new Float64List(10); |
152 for (int i = 0; i < list.length; i++) { | 152 for (int i = 0; i < list.length; i++) { |
153 list[i] = i + 10.0; | 153 list[i] = i + 10.0; |
154 } | 154 } |
155 Expect.equals(0, list.indexOf(10)); | 155 Expect.equals(0, list.indexOf(10)); |
156 Expect.equals(5, list.indexOf(15)); | 156 Expect.equals(5, list.indexOf(15)); |
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207 testBadValues32(); | 207 testBadValues32(); |
208 testBadValues64(); | 208 testBadValues64(); |
209 // Check optimized (inlined) version of []= | 209 // Check optimized (inlined) version of []= |
210 Expect.throws(() { | 210 Expect.throws(() { |
211 storeIt32(a32, 1, 2); | 211 storeIt32(a32, 1, 2); |
212 }); | 212 }); |
213 Expect.throws(() { | 213 Expect.throws(() { |
214 storeIt64(a64, 1, 2); | 214 storeIt64(a64, 1, 2); |
215 }); | 215 }); |
216 } | 216 } |
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