| // 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 test program for testing named parameters. |
| |
| import "package:expect/expect.dart"; |
| |
| class NamedParametersTest { |
| static int F00() { |
| return 0; |
| } |
| |
| int f11() { |
| return 0; |
| } |
| |
| static int F11(int a) { |
| return a; |
| } |
| |
| int f22(int a) { |
| return a; |
| } |
| |
| static int F10([int b = 20]) { |
| return b; |
| } |
| |
| int f21([int b = 20]) { |
| return b; |
| } |
| |
| static int F21(int a, [int b = 20]) { |
| return 100 * a + b; |
| } |
| |
| int f32(int a, [int b = 20]) { |
| return 100 * a + b; |
| } |
| |
| static int F31(int a, [int b = 20, int c = 30]) { |
| return 100 * (100 * a + b) + c; |
| } |
| |
| int f42(int a, [int b = 20, int c = 30]) { |
| return 100 * (100 * a + b) + c; |
| } |
| |
| static int F41(int a, [int b = 20, int? c, int d = 40]) { |
| return 100 * (100 * (100 * a + b) + (c == null ? 0 : c)) + d; |
| } |
| |
| int f52(int a, [int b = 20, int? c, int d = 40]) { |
| return 100 * (100 * (100 * a + b) + (c == null ? 0 : c)) + d; |
| } |
| |
| static testMain() { |
| NamedParametersTest np = new NamedParametersTest(); |
| Expect.equals(0, F00()); |
| Expect.equals(0, np.f11()); |
| Expect.equals(10, F11(10)); |
| Expect.equals(10, np.f22(10)); |
| Expect.equals(20, F10()); |
| Expect.equals(20, np.f21()); |
| Expect.equals(20, F10(20)); |
| Expect.equals(20, np.f21(20)); |
| Expect.equals(20, F10(b:20)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'b'. |
| Expect.equals(20, np.f21(b:20)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'b'. |
| Expect.equals(1020, F21(10)); |
| Expect.equals(1020, np.f32(10)); |
| Expect.equals(1025, F21(10, 25)); |
| Expect.equals(1025, np.f32(10, 25)); |
| Expect.equals(1025, F21(10, b:25)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'b'. |
| Expect.equals(1025, np.f32(10, b:25)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'b'. |
| Expect.equals(102030, F31(10)); |
| Expect.equals(102030, np.f42(10)); |
| Expect.equals(102530, F31(10, 25)); |
| Expect.equals(102530, np.f42(10, 25)); |
| Expect.equals(102035, F31(10, c:35)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'c'. |
| Expect.equals(102035, np.f42(10, c:35)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'c'. |
| Expect.equals(102535, F31(10, 25, 35)); |
| Expect.equals(102535, np.f42(10, 25, 35)); |
| Expect.equals(102535, F31(10, 25, c:35)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'c'. |
| Expect.equals(102535, np.f42(10, 25, c:35)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'c'. |
| Expect.equals(10200040, F41(10)); |
| Expect.equals(10200040, np.f52(10)); |
| Expect.equals(10203540, F41(10, c:35)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'c'. |
| Expect.equals(10203540, np.f52(10, c:35)); |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_NAMED_PARAMETER |
| // [cfe] No named parameter with the name 'c'. |
| } |
| } |
| |
| abstract class I { |
| factory I() = C; |
| int mul(int a, [int factor]); |
| } |
| |
| class C implements I { |
| int mul(int a, [int factor = 10]) { |
| return a * factor; |
| } |
| } |
| |
| hello(msg, to, {from}) => '${from} sent ${msg} to ${to}'; |
| message() => hello("gladiolas", "possums", from: "Edna"); |
| |
| main() { |
| NamedParametersTest.testMain(); |
| var i = new I(); |
| Expect.equals(100, i.mul(10)); |
| Expect.equals(1000, i.mul(10, 100)); |
| var c = new C(); |
| Expect.equals(100, c.mul(10)); |
| Expect.equals(1000, c.mul(10, 100)); |
| Expect.equals("Edna sent gladiolas to possums", message()); |
| } |