Language/Overview/Scoping/hiding_declaration_t04.dart

// Copyright (c) 2011, 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.

// @dart = 2.9

/// @assertion If a declaration d named n is in the namespace induced by a 
/// scope S, then d hides any declaration named n that is available in the 
/// lexically enclosing scope of S.
/// @description Checks that the innermost available name is used instead of 
/// all names from the enclosing scopes that it hides.
/// @author msyabro
/// @reviewer iefremov

import "../../../Utils/expect.dart";

main() {
  var x = 1;
  {
    var x = 0;
    Expect.equals(1, ++x);
    () {
      var x = 2;
      Expect.equals(3, ++x);
    }();
  }
  Expect.equals(1, x);
  () {
    var x = 42;
    Expect.equals(43, ++x);
    {
      var x = 100500;
      Expect.equals(100501, ++x);
    }
    Expect.equals(43, x);
  }();
}