| // 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 test program for constructors and initializers. |
| |
| // Check function subtyping of typedef vs. inlined function types. |
| |
| import 'package:expect/expect.dart'; |
| |
| typedef int Foo<T>(T a, [String b]); |
| typedef int Bar<T>(T a, [String b]); |
| typedef int Baz<T>(T a, {String b}); |
| typedef int Boz<T>(T a); |
| |
| int fooF(bool a, [String b = '']) => -1; |
| int bazF(bool a, {String b = ''}) => -1; |
| int bozF(bool a, {int b = -1}) => -1; |
| |
| class C<T> { |
| void test1a(Foo<T> f) {} |
| void test1b(Bar<T> f) {} |
| void test1c(int f(T a, [String b])) {} |
| |
| void test2a(Baz<T> f) {} |
| void test2b(int f(T a, {String b})) {} |
| |
| void test3a(Boz<T> f) {} |
| void test3b(int f(T a)) {} |
| |
| void test(String nameOfT, bool expectedResult) { |
| check(bool expectedResult, f()) { |
| if (!expectedResult) { |
| Expect.throwsTypeError(f); |
| } else { |
| f(); |
| } |
| } |
| |
| dynamic foo = fooF, baz = bazF, boz = bozF; |
| |
| check(expectedResult, () => test1a(foo)); |
| check(expectedResult, () => test1b(foo)); |
| check(expectedResult, () => test1b(foo)); |
| check(false, () => test2a(foo)); |
| check(false, () => test2b(foo)); |
| check(expectedResult, () => test3a(foo)); |
| check(expectedResult, () => test3b(foo)); |
| |
| check(false, () => test1a(baz)); |
| check(false, () => test1b(baz)); |
| check(false, () => test1b(baz)); |
| check(expectedResult, () => test2a(baz)); |
| check(expectedResult, () => test2b(baz)); |
| check(expectedResult, () => test3a(baz)); |
| check(expectedResult, () => test3b(baz)); |
| |
| check(false, () => test1a(boz)); |
| check(false, () => test1b(boz)); |
| check(false, () => test1b(boz)); |
| check(false, () => test2a(boz)); |
| check(false, () => test2b(boz)); |
| check(expectedResult, () => test3a(boz)); |
| check(expectedResult, () => test3b(boz)); |
| } |
| } |
| |
| main() { |
| new C<bool>().test('bool', true); |
| new C<int>().test('int', false); |
| new C<dynamic>().test('dynamic', false); |
| new C<Object>().test('Object', false); |
| new C<Null>().test('Null', hasUnsoundNullSafety); |
| new C<Never>().test('Null', true); |
| } |