mono/tests/bug-705140.cs

   1 using System;
   2
   3
   4 namespace BufferTest
   5 {
   6         class Test
   7         {
   8                 const byte TotalLength = 32;
   9
  10                 public static byte Expected (byte dest, byte src, int len, byte i)
  11                 {
  12                         if (i >= dest && i < dest + len)
  13                                 return (byte) (src + (i - dest));
  14                         else
  15                                 return i;
  16                 }
  17
  18                 public static bool TestMove (byte dest, byte src, int len)
  19                 {
  20                         byte[] array = new byte [TotalLength];
  21                         for (byte i = 0; i < TotalLength; ++i)
  22                                 array [i] = i;
  23                         Buffer.BlockCopy (array, src, array, dest, len);
  24                         for (byte i = 0; i < TotalLength; ++i)
  25                         {
  26                                 if (array [i] != Expected (dest, src, len, i)) {
  27                                         Console.WriteLine ("when copying " + len + " from " + src + " to " + dest + ": expected ");
  28                                         for (byte j = 0; j < TotalLength; ++j)
  29                                                 Console.Write ("" + Expected (dest, src, len, j) + " ");
  30                                         Console.WriteLine ();
  31                                         Console.WriteLine ("got");
  32                                         for (byte j = 0; j < TotalLength; ++j)
  33                                                 Console.Write ("" + array [j] + " ");
  34                                         Console.WriteLine ();
  35                                         return false;
  36                                 }
  37                         }
  38                         return true;
  39                 }
  40
  41                 public static int Main (string[] args)
  42                 {
  43                         bool failed = false;
  44                         for (byte i = 0; i < TotalLength; ++i) {
  45                                 for (byte j = 0; j < TotalLength; ++j) {
  46                                         byte max = (byte) (TotalLength - Math.Max (i, j));
  47                                         for (byte l = 0; l < max; ++l) {
  48                                                 if (!TestMove (i, j, l))
  49                                                         failed = true;
  50                                         }
  51                                 }
  52                         }
  53
  54                         return failed ? 1 : 0;
  55                 }
  56         }
  57 }