Language/13_Statements/09_Switch_A01_t03.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.
 */
/**
 * @assertion The switch statement supports dispatching control among a large number of cases.
 * switch '(' expression ')' '{' switchCase* defaultCase? '}'
 * ;
 * switchCase:
 * label* (case expression ':') statements
 * ;
 * defaultCase:
 * label* default ':' statements
 * ;
 * @description Checks that nested switch statements modifying the same variables work correctly.
 * @author vasya
 * @reviewer rodionov
 */
import "../../Utils/expect.dart";

foo(value, value2){
  var result;
  
  switch(value) {
    case 0: 
      result = "0";
      switch(value2) {
        case "foo": result = "${result}FOO"; break;
        case "bar": result = "${result}BAR"; break;
        default: result = "${result}NULL";
      }
      break;
    default: result = "NULL";
  }  
  return result;
}


main() {
  Expect.equals("0FOO", foo(0,"foo"));
  Expect.equals("NULL", foo(1,"foo"));
  Expect.equals("0BAR", foo(0,"bar"));
  Expect.equals("NULL", foo(1,"bar"));
  Expect.equals("0NULL", foo(0,null));
  Expect.equals("NULL", foo(null,null));
}