blob: 6e8939017a42fdbc37afb0e5f9ddd3db38e7d713 [file] [log] [blame]
// Copyright (c) 2019, 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.
/// @assertion
/// typeParameter ::= metadata identifier (extends typeNotVoid)?
/// typeParameters ::= ‘<’ typeParameter (‘,’ typeParameter)* ‘>’
/// ...
/// Type parameters are declared in the type parameter scope of a class or
/// function. The type parameters of a generic [G] are in scope in the bounds of
/// all of the type parameters of [G].
/// @description Checks that typedef type parameter is in the type parameter
/// scope.
/// @author
import "../../Utils/expect.dart";
class A {}
class B extends A {}
typedef void Test<X1 extends A, X2 extends X1>(X1 exp1, X2 exp2);
void testme1(A x, A y) {}
void testme2(B x, A y) {}
main() {
Expect.isTrue(testme1 is Test);
Expect.isTrue(testme1 is Test<A, A>);
Expect.isTrue(testme1 is Test<A, B>);
Expect.isTrue(testme1 is Test<B, B>);
Expect.isFalse(testme2 is Test);
Expect.isFalse(testme2 is Test<A, A>);
Expect.isFalse(testme2 is Test<A, B>);
Expect.isTrue(testme2 is Test<B, B>);