LanguageFeatures/nnbd/static_errors_A02_t02.dart

/*
 * 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 It is an error to read a field or tear off a method from an
 * expression whose type is potentially nullable and not dynamic, except for the
 * methods and fields on Object.
 *
 * @description Check that it is no compile-time error to read a field or tear
 * off a method from an expression whose type is potentially nullable but type
 * dynamic
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable
import "../../Utils/expect.dart";

class A {
}

class C<X extends A?> {
  X x;
  C(this.x);

  test() {
    Expect.isNotNull(x.toString);
  }
}

main() {
  A? a = new A();
  C<A?> c = new C<A?>(a);
  c.test();
}