// 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

// Requirements=nnbd-strong

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

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

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

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

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

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

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

  C operator ~/(int val) {
    return this;
  }

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

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

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

}

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

  x += 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x -= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x *= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x /= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x %= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x ~/= 1;
//  ^^^
// [analyzer] unspecified
// [cfe] unspecified

  x <<= 1;
//  ^^^
// [analyzer] unspecified
// [cfe] unspecified

  x >>= 1;
//  ^^^
// [analyzer] unspecified
// [cfe] unspecified

  x &= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x ^= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified

  x |= 1;
//  ^^
// [analyzer] unspecified
// [cfe] unspecified
}