blob: 1a66f21f14e69740daf0f2b9b73a5f665776343f [file] [log] [blame]
// 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.
// @dart = 2.9
// Check function subtyping for generic bound closures. This also tests
// type argument substitution.
import 'package:expect/expect.dart';
typedef void Foo(bool a, [String b]);
typedef void Bar(bool a, [String b]);
typedef void Baz(bool a, {String b});
typedef int Boz(bool a);
class C<T> {
void test(String nameOfT, bool expectedResult) {
void foo(T a, [String b]) {}
void baz(T a, {String b}) {}
Expect.equals(expectedResult, foo is Foo, 'C<$nameOfT>.foo is Foo');
Expect.equals(expectedResult, foo is Bar, 'C<$nameOfT>.foo is Bar');
Expect.isFalse(foo is Baz, 'C<$nameOfT>.foo is Baz');
Expect.isFalse(foo is Boz, 'C<$nameOfT>.foo is Boz');
Expect.isFalse(baz is Foo, 'C<$nameOfT>.baz is Foo');
Expect.isFalse(baz is Bar, 'C<$nameOfT>.baz is Bar');
Expect.equals(expectedResult, baz is Baz, 'C<$nameOfT>.baz is Baz');
Expect.isFalse(baz is Boz, 'C<$nameOfT>.baz is Boz');
class D<S, T> extends C<T> {}
main() {
new D<String, bool>().test('bool', true);
new D<bool, int>().test('int', false);
new D().test('dynamic', true);