// 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 The switch statement supports dispatching control among a large
 * number of cases.
 * switchStatement:
 *   switch '(' expression ')' '{' switchCase* defaultCase? '}'
 * ;
 * switchCase:
 *   label* case expression ':' statements
 * ;
 * defaultCase:
 *   label* default ':' statements
 * ;
 * @description Checks that it is a compile-time error if the semicolon at the
 * end of default case statements is missing.
 * @compile-error
 * @author vasya
*/

switchTest(value) {
  var result;

  switch (value) {
    case 0: result = 0; break;
    default: result = -1
  }
  return result;
}

main() {}
