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b955271e51
Change-Id: I8d41ad649c83cd97253006693a0cf3676de418e9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/145542 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
41 lines
1.2 KiB
Dart
41 lines
1.2 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program for constructors and initializers.
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// Check function subtyping for bound closures.
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import 'package:expect/expect.dart';
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typedef int Foo(bool a, [String b]);
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typedef int Bar(bool a, [String b]);
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typedef int Baz(bool a, {String b});
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typedef int Boz(bool a);
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class C {
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int foo(bool a, [String b = '']) => -1;
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int baz(bool a, {String b = ''}) => -1;
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int boz(bool a, {int b = -1}) => -1;
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}
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main() {
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var c = new C();
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var foo = c.foo;
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Expect.isTrue(foo is Foo, 'foo is Foo');
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Expect.isTrue(foo is Bar, 'foo is Bar');
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Expect.isFalse(foo is Baz, 'foo is Baz');
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Expect.isTrue(foo is Boz, 'foo is Boz');
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var baz = c.baz;
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Expect.isFalse(baz is Foo, 'baz is Foo');
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Expect.isFalse(baz is Bar, 'baz is Bar');
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Expect.isTrue(baz is Baz, 'baz is Baz');
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Expect.isTrue(baz is Boz, 'baz is Boz');
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var boz = c.boz;
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Expect.isFalse(boz is Foo, 'boz is Foo');
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Expect.isFalse(boz is Bar, 'boz is Bar');
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Expect.isFalse(boz is Baz, 'boz is Baz');
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Expect.isTrue(boz is Boz, 'boz is Boz');
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}
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