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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
39 lines
1.2 KiB
Dart
39 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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// @dart = 2.9
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// Check function subtyping for generic bound closures.
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import 'package:expect/expect.dart';
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typedef void Foo(bool a, [String b]);
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typedef void Bar(bool a, [String b]);
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typedef void Baz(bool a, {String b});
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typedef int Boz(bool a);
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class C<T> {
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void foo(T a, [String b]) {}
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void baz(T a, {String b}) {}
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void test(String nameOfT) {
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Expect.isTrue(foo is Foo, 'C<$nameOfT>.foo is not Foo');
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Expect.isTrue(foo is Bar, 'C<$nameOfT>.foo is not Bar');
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Expect.isFalse(foo is Baz, 'C<$nameOfT>.foo is Baz');
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Expect.isFalse(foo is Boz, 'C<$nameOfT>.foo is Boz');
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Expect.isFalse(baz is Foo, 'C<$nameOfT>.baz is Foo');
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Expect.isFalse(baz is Bar, 'C<$nameOfT>.baz is Bar');
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Expect.isTrue(baz is Baz, 'C<$nameOfT>.baz is not Baz');
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Expect.isFalse(baz is Boz, 'C<$nameOfT>.baz is Boz');
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}
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}
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main() {
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new C<bool>().test('bool');
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new C<int>().test('int');
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new C<dynamic>().test('dynamic');
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}
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