mcs/tests/test-543.cs

   1 // Compiler options: -r:test-543-lib.dll
   2
   3 using System;
   4
   5 class BetterMethod
   6 {
   7     public int this[params bool[] args] { get { return 2; } }
   8     public string this[bool a, object b] { get { throw new NotImplementedException (); } }
   9 }
  10
  11 class MainClass
  12 {
  13     public int this [int expectedLength, params string[] items]
  14     {
  15         get { return 4; }
  16         set {
  17             if (expectedLength != items.Length)
  18                 throw new ArgumentException (expectedLength + " != " + items.Length);
  19         }
  20     }
  21
  22     public object this [int expectedLength, params object[] items]
  23     {
  24         get { return null; }
  25         set {
  26             if (expectedLength != items.Length)
  27                 throw new ArgumentException (expectedLength + " != " + items.Length);
  28         }
  29     }
  30
  31     public bool this [int expectedLength, bool isNull, params object[] items]
  32     {
  33         get { return false; }
  34         set {
  35             if (expectedLength != items.Length)
  36                 throw new ArgumentException (expectedLength + " != " + items.Length);
  37         }
  38     }
  39
  40     public static void Main(string[] args)
  41     {
  42         MainClass t = new MainClass();
  43         t [2, "foo", "doo"] = 2;
  44         t [3, new object[3]] = null;
  45         t [2, new int[] { 1 }, new string[] { "c", "b", "a" }] = null;
  46         t [0, true] = t [0, true];
  47         t [1, false, "foo"] = t [0, false, "foo", "doo"];
  48
  49         ExternClass e = new ExternClass ();
  50         e ["a", "b", "b"] = false;
  51
  52         BetterMethod bm = new BetterMethod ();
  53         Console.WriteLine (bm[true, false]);
  54     }
  55 }