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| 1 // Copyright (c) 2016, 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 // Tests of conditional expressions and statements and negation. | |
| 6 | |
| 7 import 'expect.dart'; | |
| 8 | |
| 9 mkTrue() => true; | |
| 10 mkFalse() => false; | |
| 11 | |
| 12 check(b) { | |
| 13 Expect.isTrue(b); | |
| 14 return b; | |
| 15 } | |
| 16 | |
| 17 main() { | |
| 18 // Check that ?: gets the right answer. | |
| 19 Expect.isTrue((mkTrue() ? 0 : 1) == 0); | |
| 20 Expect.isTrue((mkFalse() ? 0 : 1) == 1); | |
| 21 // Check that it doesn't evaluate all subexpressions. | |
| 22 mkTrue() ? Expect.isTrue(true) : Expect.isTrue(false); | |
| 23 mkFalse() ? Expect.isTrue(false) : Expect.isTrue(true); | |
| 24 | |
| 25 // Check that && and || get the right answers. | |
| 26 Expect.isTrue(mkTrue() && mkTrue()); | |
| 27 Expect.isTrue(!(mkTrue() && mkFalse())); | |
| 28 Expect.isTrue(!(mkFalse() && mkTrue())); | |
| 29 Expect.isTrue(!(mkFalse() && mkFalse())); | |
| 30 Expect.isTrue(mkTrue() || mkTrue()); | |
| 31 Expect.isTrue(mkTrue() || mkFalse()); | |
| 32 Expect.isTrue(mkFalse() || mkTrue()); | |
| 33 Expect.isTrue(!(mkFalse() || mkFalse())); | |
| 34 | |
| 35 // Check that they don't evaluate both subexpressions. | |
| 36 mkTrue() && check(true); | |
| 37 mkFalse() && check(false); | |
| 38 mkTrue() || check(true); | |
| 39 mkFalse() || check(true); | |
| 40 | |
| 41 // Check that if works. | |
| 42 if (mkTrue()) { | |
| 43 Expect.isTrue(true); | |
| 44 } else { | |
| 45 Expect.isTrue(false); | |
| 46 } | |
| 47 if (mkFalse()) { | |
| 48 Expect.isTrue(false); | |
| 49 } else { | |
| 50 Expect.isTrue(true); | |
| 51 } | |
| 52 if (!mkTrue()) { | |
| 53 Expect.isTrue(false); | |
| 54 } else { | |
| 55 Expect.isTrue(true); | |
| 56 } | |
| 57 if (!mkFalse()) { | |
| 58 Expect.isTrue(true); | |
| 59 } else { | |
| 60 Expect.isTrue(false); | |
| 61 } | |
| 62 | |
| 63 // Check that ?:, &&, and || work for control flow. | |
| 64 if (mkTrue() ? mkTrue() : mkFalse()) { | |
| 65 Expect.isTrue(true); | |
| 66 } else { | |
| 67 Expect.isTrue(false); | |
| 68 } | |
| 69 if (mkTrue() ? mkFalse() : mkTrue()) { | |
| 70 Expect.isTrue(false); | |
| 71 } else { | |
| 72 Expect.isTrue(true); | |
| 73 } | |
| 74 if (mkFalse() ? mkTrue() : mkFalse()) { | |
| 75 Expect.isTrue(false); | |
| 76 } else { | |
| 77 Expect.isTrue(true); | |
| 78 } | |
| 79 if (mkFalse() ? mkFalse() : mkTrue()) { | |
| 80 Expect.isTrue(true); | |
| 81 } else { | |
| 82 Expect.isTrue(false); | |
| 83 } | |
| 84 if (mkTrue() && mkTrue()) { | |
| 85 Expect.isTrue(true); | |
| 86 } else { | |
| 87 Expect.isTrue(false); | |
| 88 } | |
| 89 if (mkTrue() && mkFalse()) { | |
| 90 Expect.isTrue(false); | |
| 91 } else { | |
| 92 Expect.isTrue(true); | |
| 93 } | |
| 94 if (mkFalse() && mkTrue()) { | |
| 95 Expect.isTrue(false); | |
| 96 } else { | |
| 97 Expect.isTrue(true); | |
| 98 } | |
| 99 if (mkFalse() && mkFalse()) { | |
| 100 Expect.isTrue(false); | |
| 101 } else { | |
| 102 Expect.isTrue(true); | |
| 103 } | |
| 104 if (mkTrue() || mkTrue()) { | |
| 105 Expect.isTrue(true); | |
| 106 } else { | |
| 107 Expect.isTrue(false); | |
| 108 } | |
| 109 if (mkTrue() || mkFalse()) { | |
| 110 Expect.isTrue(true); | |
| 111 } else { | |
| 112 Expect.isTrue(false); | |
| 113 } | |
| 114 if (mkFalse() || mkTrue()) { | |
| 115 Expect.isTrue(true); | |
| 116 } else { | |
| 117 Expect.isTrue(false); | |
| 118 } | |
| 119 if (mkFalse() || mkFalse()) { | |
| 120 Expect.isTrue(false); | |
| 121 } else { | |
| 122 Expect.isTrue(true); | |
| 123 } | |
| 124 | |
| 125 // Test empty else branches. | |
| 126 if (mkTrue()) { | |
| 127 Expect.isTrue(true); | |
| 128 } | |
| 129 if (mkFalse()) { | |
| 130 Expect.isTrue(false); | |
| 131 } | |
| 132 | |
| 133 var x = 0; | |
| 134 if (mkTrue()) { | |
| 135 x = 1; | |
| 136 } | |
| 137 Expect.isTrue(x == 1); | |
| 138 if (mkFalse()) { | |
| 139 x = 2; | |
| 140 } | |
| 141 Expect.isTrue(x == 1); | |
| 142 } | |
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Chromium Code Reviews
Issue 2451893004:
Revert "Reland "Merge more Kernel infrastructure from kernel_sdk SDK fork."" (Closed)
