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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 // Dart test program for redirection constructors. | |
| 5 | |
| 6 class A { | |
| 7 var x; | |
| 8 A(this.x) {} | |
| 9 A.named(x, int y) : this(x + y); | |
| 10 A.named2(int x, int y, z) : this.named(staticFun(x, y), z); | |
| 11 | |
| 12 // The following is a bit tricky. It is a compile-time error to | |
| 13 // refer to this (implicitly or explicitly) from an initializer. | |
| 14 // When we remove the line with moreStaticFun, staticFun is really a | |
| 15 // static function and it is legal to call it. This is what will | |
| 16 // happen in the /none version of this test. However, in /01, | |
| 17 // staticFun isn't really a static function and should cause a | |
| 18 // compile-time error. | |
| 19 static | |
| 20 moreStaticFun() {} /// 01: compile-time error | |
| 21 int staticFun(int v1, int v2) { | |
| 22 return v1 * v2; | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 class B extends A { | |
| 27 B(y) : super(y + 1) {} | |
| 28 B.named(y) : super.named(y, y + 1) {} | |
| 29 } | |
| 30 | |
| 31 class C { | |
| 32 final x; | |
| 33 const C(this.x); | |
| 34 const C.named(x, int y) : this(x + y); | |
| 35 } | |
| 36 | |
| 37 class D extends C { | |
| 38 const D(y) : super(y + 1); | |
| 39 const D.named(y) : super.named(y, y + 1); | |
| 40 } | |
| 41 | |
| 42 class ConstructorRedirectTest { | |
| 43 static testMain() { | |
| 44 var a = new A(499); | |
| 45 Expect.equals(499, a.x); | |
| 46 a = new A.named(349, 499); | |
| 47 Expect.equals(349 + 499, a.x); | |
| 48 a = new A.named2(11, 42, 99); | |
| 49 Expect.equals(11 * 42 + 99, a.x); | |
| 50 | |
| 51 var b = new B(498); | |
| 52 Expect.equals(499, b.x); | |
| 53 b = new B.named(249); | |
| 54 Expect.equals(499, b.x); | |
| 55 | |
| 56 C c = const C(499); | |
| 57 Expect.equals(499, c.x); | |
| 58 c = const C.named(249, 250); | |
| 59 Expect.equals(499, c.x); | |
| 60 | |
| 61 D d = const D(498); | |
| 62 Expect.equals(499, d.x); | |
| 63 d = const D.named(249); | |
| 64 Expect.equals(499, d.x); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 main() { | |
| 69 ConstructorRedirectTest.testMain(); | |
| 70 } | |
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