| // Copyright (c) 2013, 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. |
| |
| // @dart = 2.9 |
| |
| // Test that parameter default values are disallowed in a redirecting factory. |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| A(this.a, [this.b = 0]); |
| factory A.f(int a) = A; |
| factory A.g(int a, [int b = 0]) = A; |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.DEFAULT_VALUE_IN_REDIRECTING_FACTORY_CONSTRUCTOR |
| // ^ |
| // [cfe] Can't have a default value here because any default values of 'A' would be used instead. |
| factory A.h(int a, {int b: 0}) = A; |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.DEFAULT_VALUE_IN_REDIRECTING_FACTORY_CONSTRUCTOR |
| // ^ |
| // [cfe] Can't have a default value here because any default values of 'A' would be used instead. |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.REDIRECT_TO_INVALID_FUNCTION_TYPE |
| // [cfe] The constructor function type 'A Function(int, [int])' isn't a subtype of 'A Function(int, {int b})'. |
| |
| int a; |
| int b; |
| } |
| |
| main() { |
| var x = new A.f(42); |
| Expect.equals(x.a, 42); |
| Expect.equals(x.b, 0); |
| |
| var y = new A.f(42, 43); |
| // ^^ |
| // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS |
| // ^^^^^^^^ |
| // [cfe] Too many positional arguments: 1 allowed, but 2 found. |
| } |