| // Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion Similarly, [params] is almost exactly the same parameter list |
| /// as the constructor [C.name], with the one exception that initializing |
| /// formals are represented by normal parameters with the same name and type. |
| /// All remaining properties of the parameters are the same as for the |
| /// corresponding constructor parameter, including any default values, and |
| /// [args] is an argument list passing those parameters to [C.name] directly as |
| /// they are received. |
| /// |
| /// @description Checks that [params] is exactly the same parameter list. |
| /// @author iarkh@unipro.ru |
| |
| // SharedOptions=--enable-experiment=constructor-tearoffs |
| |
| import "../../Utils/expect.dart"; |
| |
| class C { |
| C.constr1() {} |
| C.constr2(int i) {} |
| C.constr3(i) {} |
| C.constr4(int i, String j, List<int> l) {} |
| C.constr5(i, j, k) {} |
| } |
| |
| main() { |
| C Function() v1 = C.constr1; |
| Expect.isTrue(v1 is C Function()); |
| Expect.runtimeIsType<C Function()>(v1); |
| v1(); |
| |
| var v2 = C.constr2; |
| Expect.isTrue(v2 is C Function(int)); |
| Expect.runtimeIsType<C Function(int)>(v2); |
| v2(14); |
| |
| var v3 = C.constr3; |
| Expect.isTrue(v3 is C Function(dynamic)); |
| Expect.runtimeIsType<C Function(dynamic)>(v3); |
| v3(0); |
| v3(null); |
| |
| var v4 = C.constr4; |
| Expect.isTrue(v4 is C Function(int, String, List<int>)); |
| Expect.runtimeIsType<C Function(int, String, List<int>)>(v4); |
| v4(1, "123", [1, 2, 3]); |
| |
| var v5 = C.constr5; |
| Expect.isTrue(v5 is C Function(dynamic, dynamic, dynamic)); |
| Expect.runtimeIsType<C Function(dynamic, dynamic, dynamic)>(v5); |
| v5(1, "123", [1, 2, 3]); |
| } |