// 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.

/// @assertion A variable declaration statement declares a new local variable.
///   localVariableDeclaration:
///     initializedVariableDeclaration ’;’
///   ;
/// @description Checks that a variable declaration statement var id = e;
/// introduces a new variable id with dynamic static type into the innermost
/// enclosing scope.
/// @author vasya

import '../../../Utils/expect.dart';

class C {}

main() {
  var id = null;
  Expect.isTrue(id is dynamic);
  Expect.runtimeIsType<dynamic>(id);
  id = false;
  id = "";
  id = 2;
  id = new C();
  id = () {};
}
