dart-sdk/tests/language_2/function_subtype_local2_test.dart
Jenny Messerly 5013b28bbe fix #31999, remove fuzzy arrow runtime support from DDC
Also updates tests that relied on fuzzy arrows.

Change-Id: Ia8df1d8d421e43dfada589223d5e46182b92fa67
Reviewed-on: https://dart-review.googlesource.com/37425
Commit-Queue: Jenny Messerly <jmesserly@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
2018-01-31 22:20:38 +00:00

43 lines
1.6 KiB
Dart

// 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 local functions on generic type against generic
// typedefs.
import 'package:expect/expect.dart';
typedef int Foo<T>(T a, [String b]);
typedef int Bar<T>(T a, [String b]);
typedef int Baz<T>(T a, {String b});
typedef int Boz<T>(T a);
typedef int Biz<T>(T a, int b);
class C<T> {
void test(String nameOfT, bool expectedResult) {
int foo(bool a, [String b]) => null;
int baz(bool a, {String b}) => null;
Expect.equals(expectedResult, foo is Foo<T>, 'foo is Foo<$nameOfT>');
Expect.equals(expectedResult, foo is Bar<T>, 'foo is Bar<$nameOfT>');
Expect.isFalse(foo is Baz<T>, 'foo is Baz<$nameOfT>');
Expect.equals(expectedResult, foo is Boz<T>, 'foo is Boz<$nameOfT>');
Expect.isFalse(foo is Biz<T>, 'foo is Biz<$nameOfT>');
Expect.isFalse(baz is Foo<T>, 'baz is Foo<$nameOfT>');
Expect.isFalse(baz is Bar<T>, 'baz is Bar<$nameOfT>');
Expect.equals(expectedResult, baz is Baz<T>, 'baz is Baz<$nameOfT>');
Expect.equals(expectedResult, baz is Boz<T>, 'baz is Boz<$nameOfT>');
Expect.isFalse(baz is Biz<T>, 'bar is Biz<$nameOfT>');
}
}
main() {
new C<bool>().test('bool', true);
new C<int>().test('int', false);
new C<dynamic>().test('dynamic', false);
new C<Object>().test('Object', false);
new C<Null>().test('Null', true);
}