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| 1 // Copyright (c) 2011, 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 basic expressions. Does not attempt to validate the details of arithmet
ic, coercion, and | |
| 6 // so forth. | |
| 7 class ExpressionTest { | |
| 8 | |
| 9 ExpressionTest() {} | |
| 10 | |
| 11 int foo; | |
| 12 | |
| 13 static testMain() { | |
| 14 var test = new ExpressionTest(); | |
| 15 test.testBinary(); | |
| 16 test.testUnary(); | |
| 17 test.testShifts(); | |
| 18 test.testBitwise(); | |
| 19 test.testIncrement(); | |
| 20 test.testMangling(); | |
| 21 } | |
| 22 | |
| 23 testBinary() { | |
| 24 int x = 4, y = 2; | |
| 25 Expect.equals(6, x + y); | |
| 26 Expect.equals(2, x - y); | |
| 27 Expect.equals(8, x * y); | |
| 28 Expect.equals(2, x / y); | |
| 29 Expect.equals(0, x % y); | |
| 30 } | |
| 31 | |
| 32 testUnary() { | |
| 33 int x = 4, y = 2; | |
| 34 bool t = true, f = false; | |
| 35 Expect.equals(-4, -x); | |
| 36 Expect.equals(-5, ~x); | |
| 37 Expect.equals(f, !t); | |
| 38 } | |
| 39 | |
| 40 testShifts() { | |
| 41 int x = 4, y = 2; | |
| 42 Expect.equals(y, x >> 1); | |
| 43 Expect.equals(x, y << 1); | |
| 44 } | |
| 45 | |
| 46 testBitwise() { | |
| 47 int x = 4, y = 2; | |
| 48 Expect.equals(6, (x | y)); | |
| 49 Expect.equals(0, (x & y)); | |
| 50 Expect.equals(6, (x ^ y)); | |
| 51 } | |
| 52 | |
| 53 operator [](int index) { | |
| 54 return foo; | |
| 55 } | |
| 56 | |
| 57 operator []=(int index, int value) { | |
| 58 foo = value; | |
| 59 } | |
| 60 | |
| 61 testIncrement() { | |
| 62 int x = 4, a = x++; | |
| 63 Expect.equals(4, a); | |
| 64 Expect.equals(5, x); | |
| 65 Expect.equals(6, ++x); | |
| 66 Expect.equals(6, x++); | |
| 67 Expect.equals(7, x); | |
| 68 Expect.equals(6, --x); | |
| 69 Expect.equals(6, x--); | |
| 70 Expect.equals(5, x); | |
| 71 | |
| 72 this.foo = 0; | |
| 73 Expect.equals(0, this.foo++); | |
| 74 Expect.equals(1, this.foo); | |
| 75 Expect.equals(2, ++this.foo); | |
| 76 Expect.equals(2, this.foo); | |
| 77 Expect.equals(2, this.foo--); | |
| 78 Expect.equals(1, this.foo); | |
| 79 Expect.equals(0, --this.foo); | |
| 80 Expect.equals(0, this.foo); | |
| 81 | |
| 82 Expect.equals(0, this[0]++); | |
| 83 Expect.equals(1, this[0]); | |
| 84 Expect.equals(2, ++this[0]); | |
| 85 Expect.equals(2, this[0]); | |
| 86 Expect.equals(2, this[0]--); | |
| 87 Expect.equals(1, this[0]); | |
| 88 Expect.equals(0, --this[0]); | |
| 89 Expect.equals(0, this[0]); | |
| 90 | |
| 91 int $0 = 42, $1 = 87, $2 = 117; | |
| 92 Expect.equals(42, $0++); | |
| 93 Expect.equals(43, $0); | |
| 94 Expect.equals(44, ++$0); | |
| 95 Expect.equals(88, $0 += $0); | |
| 96 Expect.equals(87, $1++); | |
| 97 Expect.equals(88, $1); | |
| 98 Expect.equals(89, ++$1); | |
| 99 Expect.equals(178, ($1 += $1)); | |
| 100 Expect.equals(117, $2++); | |
| 101 Expect.equals(118, $2); | |
| 102 Expect.equals(119, ++$2); | |
| 103 } | |
| 104 | |
| 105 void testMangling() { | |
| 106 int $0 = 42, $1 = 87, $2 = 117; | |
| 107 this[0] = 0; | |
| 108 Expect.equals(42, (this[0] += $0)); | |
| 109 Expect.equals(129, (this[0] += $1)); | |
| 110 Expect.equals(246, (this[0] += $2)); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 main() { | |
| 115 ExpressionTest.testMain(); | |
| 116 } | |
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Chromium Code Reviews
Issue 10244009:
test rename overhaul: step 7 - corelib tests (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart