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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 // Test that parameters keep their names in the output. | |
| 5 | |
| 6 #import("compiler_helper.dart"); | |
| 7 | |
| 8 final String TEST_ONE = @""" | |
| 9 void foo(bar) { | |
| 10 var a = 1; | |
| 11 if (bar) { | |
| 12 a = 2; | |
| 13 } else { | |
| 14 a = 3; | |
| 15 } | |
| 16 print(a); | |
| 17 } | |
| 18 """; | |
| 19 | |
| 20 final String TEST_TWO = @""" | |
| 21 void main() { | |
| 22 var t = 0; | |
| 23 for (var i = 0; i == 0; i = i + 1) { | |
| 24 t = t + 10; | |
| 25 } | |
| 26 print(t); | |
| 27 } | |
| 28 """; | |
| 29 | |
| 30 final String TEST_THREE = @""" | |
| 31 foo(b, c) { | |
| 32 var val = 42; | |
| 33 if (b) { | |
| 34 if (c) { | |
| 35 val = 43; | |
| 36 } | |
| 37 } | |
| 38 return val; | |
| 39 } | |
| 40 """; | |
| 41 | |
| 42 final String TEST_FOUR = @""" | |
| 43 foo() { | |
| 44 var cond1 = true; | |
| 45 var cond2 = false; | |
| 46 for (var i = 0; cond1; i = i + 1) { | |
| 47 if (i == 9) cond1 = false; | |
| 48 for (var j = 0; cond2; j = j + 1) { | |
| 49 if (j == 9) cond2 = false; | |
| 50 } | |
| 51 } | |
| 52 print(cond1); | |
| 53 print(cond2); | |
| 54 } | |
| 55 """; | |
| 56 | |
| 57 main() { | |
| 58 String generated = compile(TEST_ONE, 'foo'); | |
| 59 Expect.isTrue(generated.contains('var a = bar === true ? 2 : 3;')); | |
| 60 Expect.isTrue(generated.contains('print(a);')); | |
| 61 | |
| 62 generated = compile(TEST_TWO, 'main'); | |
| 63 RegExp regexp = new RegExp("t \\+= 10"); | |
| 64 Expect.isTrue(regexp.hasMatch(generated)); | |
| 65 | |
| 66 regexp = new RegExp("\\+\\+i"); | |
| 67 Expect.isTrue(regexp.hasMatch(generated)); | |
| 68 | |
| 69 generated = compile(TEST_THREE, 'foo'); | |
| 70 | |
| 71 // Check that we don't have 'val = val'. | |
| 72 regexp = const RegExp("val = val;"); | |
| 73 Expect.isTrue(!regexp.hasMatch(generated)); | |
| 74 | |
| 75 regexp = const RegExp("return val"); | |
| 76 Expect.isTrue(regexp.hasMatch(generated)); | |
| 77 // Check that a store just after the declaration of the local | |
| 78 // only generates one instruction. | |
| 79 regexp = const RegExp(@"val = 42"); | |
| 80 Expect.isTrue(regexp.hasMatch(generated)); | |
| 81 | |
| 82 generated = compile(TEST_FOUR, 'foo'); | |
| 83 | |
| 84 regexp = const RegExp("cond1 = cond1;"); | |
| 85 Expect.isTrue(!regexp.hasMatch(generated)); | |
| 86 | |
| 87 regexp = const RegExp("cond2 = cond2;"); | |
| 88 Expect.isTrue(!regexp.hasMatch(generated)); | |
| 89 } | |
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