// 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 optional named parameters. import "package:expect/expect.dart"; class OptionalNamedParametersTest { 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) ? c : 0)) + d; } int f52(int a, {int b: 20, int c, int d: 40}) { return 100 * (100 * (100 * a + b) + ((c != null) ? c : 0)) + d; } static void test() { OptionalNamedParametersTest np = new OptionalNamedParametersTest(); 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)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^ // [cfe] Too many positional arguments: 0 allowed, but 1 found. Expect.equals(20, np.f21(20)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^ // [cfe] Too many positional arguments: 0 allowed, but 1 found. Expect.equals(20, F10(b: 20)); Expect.equals(20, np.f21(b: 20)); Expect.equals(1020, F21(10)); Expect.equals(1020, np.f32(10)); Expect.equals(1025, F21(10, 25)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(1025, np.f32(10, 25)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(1025, F21(10, b: 25)); Expect.equals(1025, np.f32(10, b: 25)); Expect.equals(102030, F31(10)); Expect.equals(102030, np.f42(10)); Expect.equals(102530, F31(10, 25)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(102530, np.f42(10, 25)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(102530, F31(10, b: 25)); Expect.equals(102530, np.f42(10, b: 25)); Expect.equals(102035, F31(10, c: 35)); Expect.equals(102035, np.f42(10, c: 35)); Expect.equals(102535, F31(10, b: 25, c: 35)); Expect.equals(102535, np.f42(10, b: 25, c: 35)); Expect.equals(102535, F31(10, 25, c:35)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(102535, np.f42(10, 25, c:35)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(102535, F31(10, c: 35, b: 25)); Expect.equals(102535, np.f42(10, c: 35, b: 25)); Expect.equals(10200040, F41(10)); Expect.equals(10200040, np.f52(10)); Expect.equals(10203540, F41(10, c: 35)); Expect.equals(10203540, np.f52(10, c: 35)); Expect.equals(10250045, F41(10, d: 45, b: 25)); Expect.equals(10250045, F41(10, 25, d:45)); // ^^ // [analyzer] COMPILE_TIME_ERROR.EXTRA_POSITIONAL_ARGUMENTS_COULD_BE_NAMED // ^^^^^^^^^^^^^^ // [cfe] Too many positional arguments: 1 allowed, but 2 found. Expect.equals(10250045, np.f52(10, d: 45, b: 25)); Expect.equals(10253545, F41(10, d: 45, c: 35, b: 25)); Expect.equals(10253545, np.f52(10, d: 45, c: 35, b: 25)); } } main() { OptionalNamedParametersTest.test(); }