LanguageFeatures/nnbd/weak/tripple-shift/local_variable_read_A02_t03.dart

/*
 * Copyright (c) 2021, 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's not an error to read potentially assigned local variable in
 * the form var x;
 *
 * @description Checks that it's not an error to read potentially assigned local
 * variable in the form var x;. Test indirect read via triple shift compound
 * assignment
 *
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=triple-shift
// Requirements=nnbd-weak
import '../../../../Utils/expect.dart';

main() {
  bool b = true;
  var x;
  if (b) {
    x = 42;
  }
  x >>>= 2;
  Expect.equals(42 >>> 2, x);

  var y;
  b = false;
  if (b) {
    y = 42;
  }
  Expect.throws(() {x >>>= 2;});
}