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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 // If a constant constructor contains an initializer, or an initializing | 5 // If a constant constructor contains an initializer, or an initializing |
6 // formal, for a final field which itself has an initializer at its | 6 // formal, for a final field which itself has an initializer at its |
7 // declaration, then a runtime error should occur if that constructor is | 7 // declaration, then a runtime error should occur if that constructor is |
8 // invoked using "new", but there should be no compile-time error. However, if | 8 // invoked using "new", but there should be no compile-time error. However, if |
9 // the constructor is invoked using "const", there should be a compile-time | 9 // the constructor is invoked using "const", there should be a compile-time |
10 // error, since it is a compile-time error for evaluation of a constant object | 10 // error, since it is a compile-time error for evaluation of a constant object |
11 // to result in an uncaught exception. | 11 // to result in an uncaught exception. |
12 | 12 |
13 import "package:expect/expect.dart"; | 13 import "package:expect/expect.dart"; |
14 | 14 |
15 class C { | 15 class C { |
16 final x = 1; | 16 final x = 1; |
17 const C() : x = 2; /// 01: compile-time error | 17 const C() : x = 2; //# 01: compile-time error |
18 const C() : x = 2; /// 02: static type warning | 18 const C() : x = 2; //# 02: static type warning |
19 const C(this.x); /// 03: compile-time error | 19 const C(this.x); //# 03: compile-time error |
20 const C(this.x); /// 04: static type warning | 20 const C(this.x); //# 04: static type warning |
21 } | 21 } |
22 | 22 |
23 main() { | 23 main() { |
24 const C(); /// 01: continued | 24 const C(); //# 01: continued |
25 Expect.throws(() => new C()); /// 02: continued | 25 Expect.throws(() => new C()); //# 02: continued |
26 const C(2); /// 03: continued | 26 const C(2); //# 03: continued |
27 Expect.throws(() => new C(2)); /// 04: continued | 27 Expect.throws(() => new C(2)); //# 04: continued |
28 } | 28 } |
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