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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.
// Check function subtyping for bound closures.
import 'package:expect/expect.dart';
typedef int Foo(bool a, [String b]);
typedef int Bar(bool a, [String b]);
typedef int Baz(bool a, {String b});
typedef int Boz(bool a);
class C {
int foo(bool a, [String b]) => null;
int baz(bool a, {String b}) => null;
int boz(bool a, {int b}) => null;
main() {
var c = new C();
var foo =;
Expect.isTrue(foo is Foo, 'foo is Foo');
Expect.isTrue(foo is Bar, 'foo is Bar');
Expect.isFalse(foo is Baz, 'foo is Baz');
Expect.isTrue(foo is Boz, 'foo is Boz');
var baz = c.baz;
Expect.isFalse(baz is Foo, 'baz is Foo');
Expect.isFalse(baz is Bar, 'baz is Bar');
Expect.isTrue(baz is Baz, 'baz is Baz');
Expect.isTrue(baz is Boz, 'baz is Boz');
var boz = c.boz;
Expect.isFalse(boz is Foo, 'boz is Foo');
Expect.isFalse(boz is Bar, 'boz is Bar');
Expect.isFalse(boz is Baz, 'boz is Baz');
Expect.isTrue(boz is Boz, 'boz is Boz');