// 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.

// @dart = 2.9

/// @assertion A generic type is a type which is introduced by a generic class
/// declaration or a generic type alias, or it is the type [FutureOr].
/// @description Checks that exception is thrown when try to use non-generic
/// class with type parameter.
/// @author iarkh@unipro.ru


class A {}

main() {
  A a = A();

  A<int> a1;               //# 01: compile-time error
  A a2 = A<int>();         //# 02: compile-time error

  A<dynamic> a3;           //# 03: compile-time error
  A a4 = new A<dynamic>(); //# 04: compile-time error
}
