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// 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 non-function typedef type parameter is in the type
/// parameter scope.
/// @author
// SharedOptions=--enable-experiment=nonfunction-type-aliases
import "../../Utils/expect.dart";
class A {}
class B extends A {}
class C<X, Y> {
check(exp1, exp2) {
Expect.equals(exp1, X);
Expect.equals(exp2, Y);
typedef Alias<X extends A, Y extends X> = C<X, Y>;
main() {
Alias().check(A, A);
Alias<A, A>().check(A, A);
Alias<A, B>().check(A, B);
Alias<B, B>().check(B, B);