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bed5debbeb
Fixes #32156 Fixes #32157 Fixes #32426 This also fixes `implements Function` so it has no effect in Dart 2 (it is ignored for the purposes of subtyping.) Change-Id: Ibec9c77cd516b8b97fef68a579998598d0acf8c6 Reviewed-on: https://dart-review.googlesource.com/45141 Commit-Queue: Jenny Messerly <jmesserly@google.com> Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Vijay Menon <vsm@google.com>
60 lines
2.1 KiB
Dart
60 lines
2.1 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 classes with call functions.
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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 void Boz(bool a);
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class C1<T> {
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void call(T a, [String b]) {}
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}
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class C2<T> {
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void call(T a, {String b}) {}
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}
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main() {
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Function c1_bool = new C1<bool>(); // implicit tearoff of `call`
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Expect.isTrue(c1_bool is Foo, 'c1_bool is Foo');
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Expect.isTrue(c1_bool is Bar, 'c1_bool is Bar');
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Expect.isFalse(c1_bool is Baz, 'c1_bool is Baz');
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Expect.isTrue(c1_bool is Boz, 'c1_bool is Boz');
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Function c1_int = new C1<int>(); // implicit tearoff of `call`
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Expect.isTrue(c1_int is Foo, 'c1_int is Foo');
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Expect.isTrue(c1_int is Bar, 'c1_int is Bar');
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Expect.isFalse(c1_int is Baz, 'c1_int is Baz');
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Expect.isTrue(c1_int is Boz, 'c1_int is Boz');
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Function c1 = new C1(); // implicit tearoff of `call`
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Expect.isTrue(c1 is Foo, 'c1 is Foo');
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Expect.isTrue(c1 is Bar, 'c1 is Bar');
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Expect.isFalse(c1 is Baz, 'c1 is Baz');
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Expect.isTrue(c1 is Boz, 'c1 is Boz');
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Function c2_bool = new C2<bool>(); // implicit tearoff of `call`
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Expect.isFalse(c2_bool is Foo, 'c2_bool is Foo');
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Expect.isFalse(c2_bool is Bar, 'c2_bool is Bar');
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Expect.isTrue(c2_bool is Baz, 'c2_bool is Baz');
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Expect.isTrue(c2_bool is Boz, 'c2_bool is Boz');
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Function c2_int = new C2<int>(); // implicit tearoff of `call`
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Expect.isFalse(c2_int is Foo, 'c2_int is Foo');
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Expect.isFalse(c2_int is Bar, 'c2_int is Bar');
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Expect.isTrue(c2_int is Baz, 'c2_int is Baz');
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Expect.isTrue(c2_int is Boz, 'c2_int is Boz');
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Function c2 = new C2(); // implicit tearoff of `call`
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Expect.isFalse(c2 is Foo, 'c2 is Foo');
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Expect.isFalse(c2 is Bar, 'c2 is Bar');
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Expect.isTrue(c2 is Baz, 'c2 is Baz');
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Expect.isTrue(c2 is Boz, 'c2 is Boz');
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}
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