| // Copyright (c) 2012, 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 = 2.7 |
| |
| import "package:expect/expect.dart"; |
| |
| oneOptionalArgument(a, {b}) { |
| Expect.equals(1, a); |
| Expect.equals(2, b); |
| } |
| |
| twoOptionalArguments({a, b}) { |
| Expect.equals(1, a); |
| Expect.equals(2, b); |
| } |
| |
| main() { |
| twoOptionalArguments(a: 1, b: 2); |
| twoOptionalArguments(b: 2, a: 1); |
| |
| oneOptionalArgument(1, b: 2); |
| |
| new A.twoOptionalArguments(a: 1, b: 2); |
| new A.twoOptionalArguments(b: 2, a: 1); |
| |
| new A.oneOptionalArgument(1, b: 2); |
| |
| new B.one(); |
| new B.two(); |
| new B.three(); |
| |
| new B().B_one(); |
| new B().B_two(); |
| new B().B_three(); |
| } |
| |
| class A { |
| A.oneOptionalArgument(a, {b}) { |
| Expect.equals(1, a); |
| Expect.equals(2, b); |
| } |
| |
| A.twoOptionalArguments({a, b}) { |
| Expect.equals(1, a); |
| Expect.equals(2, b); |
| } |
| |
| A(); |
| |
| // A named constructor now conflicts with a method of the same name. |
| oneOptArg(a, {b}) { |
| Expect.equals(1, a); |
| Expect.equals(2, b); |
| } |
| |
| twoOptArgs({a, b}) { |
| Expect.equals(1, a); |
| Expect.equals(2, b); |
| } |
| } |
| |
| class B extends A { |
| B.one() : super.twoOptionalArguments(a: 1, b: 2); |
| B.two() : super.twoOptionalArguments(b: 2, a: 1); |
| B.three() : super.oneOptionalArgument(1, b: 2); |
| |
| B(); |
| B_one() { |
| super.twoOptArgs(a: 1, b: 2); |
| } |
| |
| B_two() { |
| super.twoOptArgs(b: 2, a: 1); |
| } |
| |
| B_three() { |
| super.oneOptArg(1, b: 2); |
| } |
| } |