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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 | |
| 5 import "package:expect/expect.dart"; | |
| 6 import "package:meta/meta.dart" show virtual; | |
| 7 | |
| 8 class GettersSettersTest { | |
| 9 static int foo; | |
| 10 | |
| 11 static testMain() { | |
| 12 A a = new A(); | |
| 13 a.x = 2; | |
| 14 Expect.equals(2, a.x); | |
| 15 Expect.equals(2, a.x_); | |
| 16 | |
| 17 // Test inheritance. | |
| 18 a = new B(); | |
| 19 a.x = 4; | |
| 20 Expect.equals(4, a.x); | |
| 21 Expect.equals(4, a.x_); | |
| 22 | |
| 23 // Test overriding. | |
| 24 C c = new C(); | |
| 25 c.x = 8; | |
| 26 Expect.equals(8, c.x); | |
| 27 Expect.equals(0, c.x_); | |
| 28 Expect.equals(8, c.y_); | |
| 29 | |
| 30 // Test keyed getters and setters. | |
| 31 a.x_ = 0; | |
| 32 Expect.equals(2, a[2]); | |
| 33 a[2] = 4; | |
| 34 Expect.equals(6, a[0]); | |
| 35 | |
| 36 // Test assignment operators. | |
| 37 a.x_ = 0; | |
| 38 a[2] += 8; | |
| 39 Expect.equals(12, a[0]); | |
| 40 | |
| 41 // Test calling a function that internally uses getters. | |
| 42 Expect.equals(true, a.isXPositive()); | |
| 43 | |
| 44 // Test static fields. | |
| 45 foo = 42; | |
| 46 Expect.equals(42, foo); | |
| 47 A.foo = 43; | |
| 48 Expect.equals(43, A.foo); | |
| 49 | |
| 50 new D().test(); | |
| 51 | |
| 52 OverrideField of = new OverrideField(); | |
| 53 Expect.equals(27, of.getX_()); | |
| 54 | |
| 55 ReferenceField rf = new ReferenceField(); | |
| 56 rf.x_ = 1; | |
| 57 Expect.equals(1, rf.getIt()); | |
| 58 rf.setIt(2); | |
| 59 Expect.equals(2, rf.x_); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 class A { | |
| 64 @virtual | |
| 65 int x_; | |
| 66 static int foo; | |
| 67 | |
| 68 static get bar { | |
| 69 return foo; | |
| 70 } | |
| 71 | |
| 72 static set bar(newValue) { | |
| 73 foo = newValue; | |
| 74 } | |
| 75 | |
| 76 int get x { | |
| 77 return x_; | |
| 78 } | |
| 79 | |
| 80 void set x(int value) { | |
| 81 x_ = value; | |
| 82 } | |
| 83 | |
| 84 bool isXPositive() { | |
| 85 return x > 0; | |
| 86 } | |
| 87 | |
| 88 int operator [](int index) { | |
| 89 return x_ + index; | |
| 90 } | |
| 91 | |
| 92 void operator []=(int index, int value) { | |
| 93 x_ = index + value; | |
| 94 } | |
| 95 | |
| 96 int getX_() { | |
| 97 return x_; | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 class B extends A {} | |
| 102 | |
| 103 class C extends A { | |
| 104 int y_; | |
| 105 | |
| 106 C() : super() { | |
| 107 this.x_ = 0; | |
| 108 } | |
| 109 | |
| 110 int get x { | |
| 111 return y_; | |
| 112 } | |
| 113 | |
| 114 void set x(int value) { | |
| 115 y_ = value; | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 class D extends A { | |
| 120 var x2_; | |
| 121 | |
| 122 set x(new_x) { | |
| 123 x2_ = new_x; | |
| 124 } | |
| 125 | |
| 126 test() { | |
| 127 x = 87; | |
| 128 Expect.equals(87, x2_); | |
| 129 x = 42; | |
| 130 Expect.equals(42, x2_); | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 class OverrideField extends A { | |
| 135 int get x_ { | |
| 136 return 27; | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 class ReferenceField extends A { | |
| 141 setIt(a) { | |
| 142 super.x_ = a; | |
| 143 } | |
| 144 | |
| 145 int getIt() { | |
| 146 return super.x_; | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 main() { | |
| 151 GettersSettersTest.testMain(); | |
| 152 } | |
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Chromium Code Reviews
Issue 3005643002:
Migrate block 115. (Closed)
