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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 // Test constant folding on numbers. | 4 // Test constant folding on numbers. |
5 | 5 |
6 #import("compiler_helper.dart"); | 6 #import("compiler_helper.dart"); |
7 | 7 |
8 final String NUMBER_FOLDING = """ | 8 const String NUMBER_FOLDING = """ |
9 void main() { | 9 void main() { |
10 var a = 4; | 10 var a = 4; |
11 var b = 3; | 11 var b = 3; |
12 print(a + b); | 12 print(a + b); |
13 } | 13 } |
14 """; | 14 """; |
15 | 15 |
16 final String NEGATIVE_NUMBER_FOLDING = """ | 16 const String NEGATIVE_NUMBER_FOLDING = """ |
17 void main() { | 17 void main() { |
18 var a = 4; | 18 var a = 4; |
19 var b = -3; | 19 var b = -3; |
20 print(a + b); | 20 print(a + b); |
21 } | 21 } |
22 """; | 22 """; |
23 | 23 |
24 final String NULL_EQUALS_FOLDING = """ | 24 const String NULL_EQUALS_FOLDING = """ |
25 foo(a, b, c, d) { | 25 foo(a, b, c, d) { |
26 if (a == null) return 1; | 26 if (a == null) return 1; |
27 if (null == b) return 2; | 27 if (null == b) return 2; |
28 if (4 == c) return 3; | 28 if (4 == c) return 3; |
29 if ("foo" == d) return 3; | 29 if ("foo" == d) return 3; |
30 } | 30 } |
31 """; | 31 """; |
32 | 32 |
33 main() { | 33 main() { |
34 compileAndMatch( | 34 compileAndMatch( |
35 NUMBER_FOLDING, 'main', const RegExp(@"print\(7\)")); | 35 NUMBER_FOLDING, 'main', const RegExp(@"print\(7\)")); |
36 compileAndMatch( | 36 compileAndMatch( |
37 NEGATIVE_NUMBER_FOLDING, 'main', const RegExp(@"print\(1\)")); | 37 NEGATIVE_NUMBER_FOLDING, 'main', const RegExp(@"print\(1\)")); |
38 | 38 |
39 String generated = compile(NULL_EQUALS_FOLDING, 'foo'); | 39 String generated = compile(NULL_EQUALS_FOLDING, 'foo'); |
40 RegExp regexp = const RegExp(@'a == null'); | 40 RegExp regexp = const RegExp(@'a == null'); |
41 Expect.isTrue(regexp.hasMatch(generated)); | 41 Expect.isTrue(regexp.hasMatch(generated)); |
42 | 42 |
43 regexp = const RegExp(@'null == b'); | 43 regexp = const RegExp(@'null == b'); |
44 Expect.isTrue(regexp.hasMatch(generated)); | 44 Expect.isTrue(regexp.hasMatch(generated)); |
45 | 45 |
46 regexp = const RegExp(@'4 === c'); | 46 regexp = const RegExp(@'4 === c'); |
47 Expect.isTrue(regexp.hasMatch(generated)); | 47 Expect.isTrue(regexp.hasMatch(generated)); |
48 | 48 |
49 regexp = const RegExp("'foo' === d"); | 49 regexp = const RegExp("'foo' === d"); |
50 Expect.isTrue(regexp.hasMatch(generated)); | 50 Expect.isTrue(regexp.hasMatch(generated)); |
51 } | 51 } |
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