tests/test-43.cs

   1 //
   2 // This test is used for testing the foreach array support
   3 //
   4 using System;
   5
   6 class X {
   7
   8         static int test_single (int [] a)
   9         {
  10                 int total = 0;
  11
  12                 foreach (int i in a)
  13                         total += i;
  14
  15                 return total;
  16         }
  17
  18         static int test_continue (int [] a)
  19         {
  20                 int total = 0;
  21                 int j = 0;
  22
  23                 foreach (int i in a){
  24                         j++;
  25                         if (j == 5)
  26                                 continue;
  27                         total += i;
  28                 }
  29
  30                 return total;
  31         }
  32
  33         //
  34         // test that we can iterate on doubles, with a float contorl
  35         // variable (this excercises the conversion operator and the
  36         // proper loading on the array
  37         //
  38         static bool test_double (double [] d)
  39         {
  40                 float t = 1.0F;
  41                 t += 2.0F + 3.0F;
  42                 float x = 0;
  43
  44                 foreach (float f in d){
  45                         x += f;
  46                 }
  47                 return x == t;
  48         }
  49
  50         static int test_break (int [] a)
  51         {
  52                 int total = 0;
  53                 int j = 0;
  54
  55                 foreach (int i in a){
  56                         j++;
  57                         if (j == 5)
  58                                 break;
  59                         total += i;
  60                 }
  61
  62                 return total;
  63         }
  64
  65         static bool test_multi (int [,] d)
  66         {
  67                 int total = 0;
  68
  69                 foreach (int a in d){
  70                         total += a;
  71                 }
  72                 return (total == 46);
  73         }
  74
  75         static int Main ()
  76         {
  77                 int [] a = new int [10];
  78                 int [] b = new int [2];
  79
  80                 for (int i = 0; i < 10; i++)
  81                         a [i] = 10 + i;
  82
  83                 for (int j = 0; j < 2; j++)
  84                         b [j] = 50 + j;
  85
  86                 if (test_single (a) != 145)
  87                         return 1;
  88
  89                 if (test_single (b) != 101)
  90                         return 2;
  91
  92                 if (test_continue (a) != 131){
  93                         Console.WriteLine ("Expecting: 131, got " + test_continue (a));
  94                         return 3;
  95                 }
  96
  97                 if (test_break (a) != 46){
  98                         Console.WriteLine ("Expecting: 46, got " + test_break (a));
  99                         return 4;
 100                 }
 101
 102                 double [] d = new double [] { 1.0, 2.0, 3.0 };
 103                 if (!test_double (d))
 104                         return 5;
 105
 106                 int [,] jj = new int [2,2];
 107                 jj [0,0] = 10;
 108                 jj [0,1] = 2;
 109                 jj [1,0] = 30;
 110                 jj [1,1] = 4;
 111                 if (!test_multi (jj))
 112                         return 6;
 113
 114                 return 0;
 115         }
 116 }
 117