// 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 If e1 translates to F then e1.f = e2 translates to:
 *  PASSTHRU[F, fn[x] => x.f = EXP(e2)]
 *
 *  The other assignment operators are handled equivalently.
 *
 * @description Check that assignments like e1.f %= e2 translates to:
 *  PASSTHRU[F, fn[x] => x.f %= EXP(e2)]
 * @author sgrekhov@unipro.ru
 */
// Requirements=nnbd-weak
import "../../../Utils/expect.dart";

class C {
  int test = 69;
}

main() {
  C? c1 = new C();
  if (c1 != null) {
    Expect.equals(27, c1.test %= 42);
  }

  C c2 = new C();
  Expect.equals(27, c2.test %= 42);
}
