mcs/tests/test-iter-06.cs

   1 // Compiler options: -langversion:default
   2
   3 using System;
   4 using System.Collections;
   5
   6 struct S {
   7         int j;
   8
   9         public IEnumerable Get (int a)
  10         {
  11                 Console.WriteLine ("Sending: " + a);
  12                 yield return a;
  13                 j = 10;
  14                 Console.WriteLine ("Sending: " + j);
  15                 yield return j;
  16         }
  17
  18         public static IEnumerable GetS (int a)
  19         {
  20                 yield return 100;
  21                 yield return a;
  22                 yield return 1000;
  23         }
  24 }
  25
  26 class X {
  27         IEnumerable Get (int a)
  28         {
  29                 yield return 1;
  30                 yield return 2;
  31                 yield return a;
  32         }
  33
  34         static IEnumerable GetS (int a)
  35         {
  36                 yield return a;
  37                 yield return a;
  38                 yield return 1;
  39         }
  40
  41         static int Main ()
  42         {
  43                 X y = new X ();
  44
  45                 int total = 0;
  46                 foreach (int x in y.Get (5)){
  47                         total += x;
  48                 }
  49                 if (total != 8)
  50                         return 1;
  51
  52                 total = 0;
  53                 foreach (int x in GetS (3)){
  54                         total += x;
  55                 }
  56                 if (total != 7)
  57                         return 2;
  58
  59                 S s = new S();
  60                 total = 0;
  61                 foreach (int x in s.Get (100)){
  62                         Console.WriteLine ("Got: " + x);
  63                         total += x;
  64                 }
  65                 if (total != 110)
  66                         return 3;
  67
  68                 total = 0;
  69                 foreach (int x in S.GetS (1)){
  70                         total += x;
  71                 }
  72                 if (total != 1101)
  73                         return 4;
  74
  75                 Console.WriteLine ("OK");
  76                 return 0;
  77         }
  78 }