mcs/tests/test-34.cs

   1 //
   2 // This test tests both how arguments are selected in the presence
   3 // of ref/out modifiers and the params arguments.
   4 //
   5 using System;
   6
   7 public struct FancyInt {
   8         public int value;
   9
  10         public FancyInt (int v)
  11         {
  12                 value = v;
  13         }
  14
  15 }
  16
  17 public class Blah {
  18         static int got;
  19
  20         public static void Foo (ref int i, ref int j)
  21         {
  22                 got = 1;
  23         }
  24
  25         public static int Bar (int j, params int [] args)
  26         {
  27                 got = 2;
  28                 int total = 0;
  29
  30                 foreach (int i in args){
  31                         Console.WriteLine ("My argument: " + i);
  32                         total += i;
  33                 }
  34
  35                 return total;
  36         }
  37
  38         public static void Foo (int i, int j)
  39         {
  40                 got = 3;
  41         }
  42
  43         static void In (ref int a)
  44         {
  45                 a++;
  46         }
  47
  48         static void Out (ref int a)
  49         {
  50                 In (ref a);
  51         }
  52
  53         static int AddArray (params int [] valores)
  54         {
  55                 int total = 0;
  56
  57                 for (int i = 0; i < valores.Length; i++)
  58                         total += valores [i];
  59
  60                 return total;
  61         }
  62
  63         static int AddFancy (params FancyInt [] vals)
  64         {
  65                 int total = 0;
  66
  67                 for (int i = 0; i < vals.Length; i++)
  68                         total += vals [i].value;
  69
  70                 return total;
  71         }
  72
  73
  74         public static int Main ()
  75         {
  76                 int i = 1;
  77                 int j = 2;
  78
  79                 int [] arr = new int [2] { 0, 1 };
  80
  81                 Foo (i, j);
  82                 if (got != 3)
  83                         return 1;
  84
  85                 Foo (ref i, ref j);
  86                 if (got != 1)
  87                         return 2;
  88
  89                 if (Bar (i, j, 5, 4, 3, 3, 2) != 19)
  90                         return 4;
  91
  92                 //if (Bar (1, arr) != 1)
  93                 //      return 5;
  94
  95                 if (got != 2)
  96                         return 3;
  97
  98                 int k = 10;
  99
 100                 Out (ref k);
 101                 if (k != 11)
 102                         return 10;
 103
 104                 int [] arr2 = new int [2] {1, 2};
 105
 106                 if (AddArray (arr2) != 3)
 107                         return 11;
 108
 109                 FancyInt f_one = new FancyInt (1);
 110                 FancyInt f_two = new FancyInt (2);
 111
 112                 if (AddFancy (f_one) != 1)
 113                         return 12;
 114
 115                 if (AddFancy (f_one, f_two) != 3)
 116                         return 13;
 117
 118                 Console.WriteLine ("Test passes");
 119                 return  0;
 120         }
 121 }