LanguageFeatures/nnbd/static_errors_A25_t05.dart

// 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 a compile time error to assign a value to a local variable
/// marked late and final when the variable is definitely assigned. This includes
/// all forms of assignments, including assignments via the composite assignment
/// operators as well as pre and post-fix operators.
///
/// @description Check that it is a compile time error to assign a value to a
/// local variable marked late and final when the variable is definitely assigned
/// @author sgrekhov@unipro.ru


class C {
  C operator +(int val) {
    return this;
  }

  C operator -(int val) {
    return this;
  }
}

main() {
  late final C x = new C();

  x++;
// ^^
// [analyzer] unspecified
// [cfe] unspecified

  ++x;
//^^
// [analyzer] unspecified
// [cfe] unspecified

  x--;
// ^^
// [analyzer] unspecified
// [cfe] unspecified

  --x;
//^^
// [analyzer] unspecified
// [cfe] unspecified
}