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// 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.
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) {
Expect.equals(expectedResult, (T a, [String b]) {} is Foo,
'($nameOfT,[String])->void is Foo');
Expect.equals(expectedResult, (T a, [String b]) {} is Bar,
'($nameOfT,[String])->void is Bar');
(T a, [String b]) {} is Baz, '($nameOfT,[String])->void is Baz');
Expect.equals(expectedResult, (T a, [String b]) {} is Boz,
'($nameOfT,[String])->void is Boz');
(T a, {String b}) {} is Foo, '($nameOfT,{b:String})->void is Foo');
(T a, {String b}) {} is Bar, '($nameOfT,{b:String})->void is Bar');
Expect.equals(expectedResult, (T a, {String b}) {} is Baz,
'($nameOfT,{b:String})->void is Baz');
Expect.equals(expectedResult, (T a, {String b}) {} is Boz,
'($nameOfT,{b:String})->void is Boz');
main() {
new C<bool>().test('bool', true);
new C<int>().test('int', false);
new C<dynamic>().test('dynamic', true);