// Copyright (c) 2020, 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 It is an error if a class declaration declares an instance
/// variable with a potentially non-nullable type and no initializer expression,
/// and the class has a generative constructor where the variable is not
/// initialized via an initializing formal or an initializer list entry, unless
/// the variable is marked with the late modifier.
///
/// @description Check that it is an error if a class declaration declares an
/// instance variable with a potentially non-nullable type and no initializer
/// expression, and the class has a generative constructor where the variable is
/// not initialized via an initializing formal or an initializer list entry,
/// unless the variable is marked with the late modifier. Test <T extends Object>
/// @author sgrekhov@unipro.ru

// Requirements=nnbd-strong
class A {}

class C1<T extends Object> {
  T t;
  C1(T t): this.t = t {}
}

class C2<T extends Object> {
  T t;
  C2(this.t);
}

main() {
  new C1<A>(new A());
  new C2<A>(new A());

  new C1<String>("Show must go on");
  new C2<String>("Lily was here");
}
