blob: 59c31667b02bcc7671a61c1ff6f4d9de2a9284b8 [file] [log] [blame]
// Copyright (c) 2011, 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.
// VMOptions=--enable_type_checks
// Dart test for function type alias with optional parameters.
import "package:expect/expect.dart";
typedef int f1<T>([int? a, int? b, T? c]);
typedef int f2<T>([int? a, int? b, T? d]);
typedef int f3<T>({int? a, int? b, T? c});
typedef int f4<T>({int? a, int? b, T? d});
class A<T> {
int baz([int? a, int? b, T? c]) => -1;
int bar({int? a, int? b, T? c}) => -1;
int baz([int? a, int? b, int? c]) => -1;
int bar({int? a, int? b, int? c}) => -1;
main() {
Expect.isFalse(baz is f1);
Expect.isFalse(baz is f3);
Expect.isFalse(bar is f1);
Expect.isFalse(bar is f3);
Expect.isFalse(baz is f1);
Expect.isTrue(baz is f1<int>);
Expect.isTrue(bar is f3<int>);
Expect.isFalse(baz is f1<double>);
Expect.isFalse(bar is f3<double>);
Expect.isFalse(baz is f2);
Expect.isFalse(bar is f4);
Expect.isTrue(baz is f2<int>);
Expect.isFalse(bar is f2<int>);
A<int> a = new A<int>();
Expect.isTrue(a.baz is f1);
Expect.isFalse(a.baz is f3);
Expect.isFalse( is f1);
Expect.isTrue( is f3);
Expect.isTrue(a.baz is f1);
Expect.isTrue(a.baz is f1<Object>);
Expect.isTrue( is f3<Object>);
Expect.isTrue(a.baz is f1<int>);
Expect.isTrue( is f3<int>);
Expect.isTrue(a.baz is f1<double>);
Expect.isTrue( is f3<double>);
Expect.isTrue(a.baz is f2);
Expect.isFalse( is f4);
Expect.isTrue(a.baz is f2<Object>);
Expect.isFalse( is f2<Object>);