mcs/tests/test-46.cs

   1 //
   2 // This test probes the various explicit unboxing casts
   3 //
   4 using System;
   5
   6 class X {
   7         static int cast_int (object o) { return (int) o; }
   8         static uint cast_uint (object o) { return (uint) o; }
   9         static short cast_short (object o) { return (short) o; }
  10         static char cast_char (object o) { return (char) o; }
  11         static ushort cast_ushort (object o) { return (ushort) o; }
  12         static byte cast_byte (object o) { return (byte) o; }
  13         static sbyte cast_sbyte (object o) { return (sbyte) o; }
  14         static long cast_long (object o) { return (long) o; }
  15         static ulong cast_ulong (object o) { return (ulong) o; }
  16         static float cast_float (object o) { return (float) o; }
  17         static double cast_double (object o) { return (double) o; }
  18         static bool cast_bool (object o) { return (bool) o; }
  19
  20         static int Main ()
  21         {
  22                 if (cast_int ((object) -1) != -1)
  23                         return 1;
  24                 if (cast_int ((object) 1) != 1)
  25                         return 2;
  26                 if (cast_int ((object) Int32.MaxValue) != Int32.MaxValue)
  27                         return 1;
  28                 if (cast_int ((object) Int32.MinValue) != Int32.MinValue)
  29                         return 2;
  30                 if (cast_int ((object) 0) != 0)
  31                         return 3;
  32
  33                 if (cast_uint ((object) (uint)0) != 0)
  34                         return 4;
  35                 if (cast_uint ((object) (uint) 1) != 1)
  36                         return 5;
  37                 if (cast_uint ((object) (uint) UInt32.MaxValue) != UInt32.MaxValue)
  38                         return 6;
  39                 if (cast_uint ((object) (uint) UInt32.MinValue) != UInt32.MinValue)
  40                         return 7;
  41
  42                 if (cast_ushort ((object) (ushort) 1) != 1)
  43                         return 8;
  44                 if (cast_ushort ((object) (ushort) UInt16.MaxValue) != UInt16.MaxValue)
  45                         return 9;
  46                 if (cast_ushort ((object) (ushort) UInt16.MinValue) != UInt16.MinValue)
  47                         return 10;
  48                 if (cast_ushort ((object) (ushort) 0) != 0)
  49                         return 11;
  50
  51                 if (cast_short ((object) (short)-1) != -1)
  52                         return 12;
  53                 if (cast_short ((object) (short) 1) != 1)
  54                         return 13;
  55                 if (cast_short ((object) (short) Int16.MaxValue) != Int16.MaxValue)
  56                         return 14;
  57                 if (cast_short ((object) (short) Int16.MinValue) != Int16.MinValue)
  58                         return 15;
  59                 if (cast_short ((object) (short) 0) != 0)
  60                         return 16;
  61
  62                 if (cast_byte ((object) (byte)1) != 1)
  63                         return 17;
  64                 if (cast_byte ((object) (byte) Byte.MaxValue) != Byte.MaxValue)
  65                         return 18;
  66                 if (cast_byte ((object) (byte) Byte.MinValue) != Byte.MinValue)
  67                         return 19;
  68                 if (cast_byte ((object) (byte) 0) != 0)
  69                         return 20;
  70
  71                 if (cast_sbyte ((object) (sbyte) -1) != -1)
  72                         return 21;
  73                 if (cast_sbyte ((object) (sbyte) 1) != 1)
  74                         return 22;
  75                 if (cast_sbyte ((object) (sbyte) SByte.MaxValue) != SByte.MaxValue)
  76                         return 23;
  77                 if (cast_sbyte ((object) (sbyte)SByte.MinValue) != SByte.MinValue)
  78                         return 24;
  79                 if (cast_sbyte ((object) (sbyte) 0) != 0)
  80                         return 25;
  81
  82
  83                 if (cast_long ((object) (long) -1) != -1)
  84                         return 26;
  85                 if (cast_long ((object) (long) 1) != 1)
  86                         return 27;
  87                 if (cast_long ((object) (long) Int64.MaxValue) != Int64.MaxValue)
  88                         return 28;
  89                 if (cast_long ((object) (long) Int64.MinValue) != Int64.MinValue)
  90                         return 29;
  91                 if (cast_long ((object) (long) 0) != 0)
  92                         return 30;
  93
  94                 if (cast_ulong ((object) (ulong) 0) != 0)
  95                         return 31;
  96                 if (cast_ulong ((object) (ulong) 1) != 1)
  97                         return 32;
  98                 if (cast_ulong ((object) (ulong) UInt64.MaxValue) != UInt64.MaxValue)
  99                         return 33;
 100                 if (cast_ulong ((object) (ulong) UInt64.MinValue) != UInt64.MinValue)
 101                         return 34;
 102
 103                 if (cast_double ((object) (double) -1) != -1)
 104                         return 35;
 105                 if (cast_double ((object) (double) 1) != 1)
 106                         return 36;
 107                 if (cast_double ((object) (double) Double.MaxValue) != Double.MaxValue)
 108                         return 37;
 109                 if (cast_double ((object) (double) Double.MinValue) != Double.MinValue)
 110                         return 38;
 111                 if (cast_double ((object) (double) 0) != 0)
 112                         return 39;
 113
 114                 if (cast_float ((object) (float) -1) != -1)
 115                         return 40;
 116                 if (cast_float ((object) (float) 1) != 1)
 117                         return 41;
 118                 if (cast_float ((object) (float)Single.MaxValue) != Single.MaxValue)
 119                         return 42;
 120                 if (cast_float ((object) (float) Single.MinValue) != Single.MinValue)
 121                         return 43;
 122                 if (cast_float ((object) (float) 0) != 0)
 123                         return 44;
 124
 125                 return 0;
 126         }
 127 }