mono/tests/checked.cs

   1 using System;\r
   2 using System.Data;\r
   3 using \r
   4 System.Data.SqlTypes;\r
   5 \r
   6 namespace test {\r
   7         public class tester {\r
   8                 public tester() {}\r
   9 \r
  10                 public static int Main () {\r
  11                         float a  = 1e20f;\r
  12                         int i = 0;\r
  13                         uint ui = 0;\r
  14 \r
  15                         bool exception = false;\r
  16 \r
  17                         try {\r
  18                                 int b = (int) a;\r
  19                                 checked {\r
  20                                         i = (int)a;\r
  21                                 }\r
  22                         }\r
  23                         catch (OverflowException) {\r
  24                                 exception = true;\r
  25                         }\r
  26                         catch (Exception) {\r
  27                         }                       \r
  28 \r
  29 \r
  30                         if (!exception)\r
  31                                 return -1;\r
  32 \r
  33                         exception = false;\r
  34 \r
  35                         a  = 1e5f;\r
  36                         \r
  37                         try {\r
  38                                 int b = (int) a;\r
  39                                 checked {\r
  40                                         i = (int)a;\r
  41                                 }\r
  42                         } catch (Exception) {\r
  43                                 return -2;\r
  44                         }\r
  45 \r
  46 \r
  47                         if (i != 100000)\r
  48                                 return -3;\r
  49                 \r
  50                         exception = false;\r
  51 \r
  52                         a  = -1e30f;\r
  53                         try {\r
  54                                 int b = (int) a;\r
  55                                 checked {\r
  56                                         i = (int)a;\r
  57                                 }\r
  58                         } \r
  59                         catch (OverflowException) {\r
  60                                 exception = true;\r
  61                         }\r
  62                         catch (Exception) {\r
  63                         }                       \r
  64                         exception = false;\r
  65 \r
  66 \r
  67                         a  = -1e30f;\r
  68                         try {\r
  69                                 uint b = (uint) a;\r
  70                                 checked {\r
  71                                         ui = (uint)a;\r
  72                                 }\r
  73 \r
  74                                 Console.WriteLine("No Exception");\r
  75                         } \r
  76                         catch (OverflowException) {\r
  77                                 exception = true;\r
  78                         }\r
  79                         catch (Exception) {\r
  80                         }\r
  81 \r
  82 \r
  83                         if (!exception)\r
  84                                 return -4;\r
  85 \r
  86                         a  = 1e5f;\r
  87                         try {\r
  88                                 uint b = (uint) a;\r
  89                                 checked {\r
  90                                         ui = (uint)a;\r
  91                                 }\r
  92                         } \r
  93                         catch (Exception) {\r
  94                                 return -5;\r
  95                         }\r
  96 \r
  97                         if (ui != 100000)\r
  98                                 return -6;\r
  99                         \r
 100                         \r
 101                         Console.WriteLine("test-ok");\r
 102 \r
 103                         return 0;\r
 104                 }\r
 105         }\r
 106 }\r