blob: ddc66f38d5e72ada971566728a0229d51ee6ea7e [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.
// Check function subtyping for top level functions.
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);
int foo(bool a, [String b]) => null;
int baz(bool a, {String b}) => null;
int boz(bool a, {int b}) => null;
main() {
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');
Expect.isFalse(baz is Foo, 'foo is Foo');
Expect.isFalse(baz is Bar, 'foo is Bar');
Expect.isTrue(baz is Baz, 'foo is Baz');
Expect.isTrue(baz is Boz, 'foo is Boz');
Expect.isFalse(boz is Foo, 'foo is Foo');
Expect.isFalse(boz is Bar, 'foo is Bar');
Expect.isFalse(boz is Baz, 'foo is Baz');
Expect.isTrue(boz is Boz, 'foo is Boz');