// 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 A generic type alias is a declaration [D] of one of the following
/// forms:
///    m typedef id<X1extendsB1, ..., Xs extendsBs> = T;
/// ...
/// where [m] is derived from metadata, [T] is a type, and [S?] is a type or the
/// empty string. Let [S0] be [S?] if it is a type, otherwise let [S0] be
/// [dynamic]. The associated type of [D], call it [F], is, respectively:
///   T
/// ...
/// @description Checks that [T] should be a type.
/// @author iarkh@unipro.ru

// SharedOptions=--enable-experiment=nonfunction-type-aliases

class A {
 static void callme<T>() { return null; }
}
class B<T> {}
class C<T1, T2> {}

int i = 5;

typedef X1<T> = A;
typedef X2<T> = B<T>;
typedef X3<T> = B;
typedef X4<T1, T2> = C<T1, T2>;
typedef X5<T> = List<T>;
typedef X6<T1, T2> = Map<T1, T2>;
typedef X7<T> = Object;

typedef W1<T> = i;                        //# 01: compile-time error
typedef W2<T> = 5;                        //# 02: compile-time error
typedef W3<T> = A.callme<T1 extends T>(); //# 03: compile-time error

main() {}