reactos/regtests/win32base/file-1.c

   1 #include <windows.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4
   5 #include "regtests.h"
   6
   7 static int RunTest(char *Buffer)
   8 {
   9   char buffer[4096];
  10   HANDLE file;
  11   DWORD wrote;
  12   int c;
  13
  14   file = CreateFile("test.dat",
  15    GENERIC_READ | GENERIC_WRITE,
  16    0,
  17    NULL,
  18    CREATE_ALWAYS,
  19    0,
  20    0);
  21
  22   if (file == INVALID_HANDLE_VALUE)
  23     {
  24       sprintf(Buffer, "Error opening file (Status %x)", GetLastError());
  25       return TS_FAILED;
  26     }
  27
  28   for (c = 0; c < sizeof(buffer); c++)
  29     buffer[c] = (char)c;
  30
  31   if (WriteFile( file, buffer, 4096, &wrote, NULL) == FALSE)
  32     {
  33       sprintf(Buffer, "Error writing file (Status %x)", GetLastError());
  34       return TS_FAILED;
  35     }
  36
  37   SetFilePointer(file, 0, 0, FILE_BEGIN);
  38
  39   if (ReadFile( file, buffer, 4096, &wrote, NULL) == FALSE)
  40     {
  41       sprintf(Buffer, "Error reading file (Status %x)", GetLastError());
  42       return TS_FAILED;
  43     }
  44   for (c = 0; c < sizeof(buffer); c++)
  45     {
  46       if (buffer[c] != (char)c)
  47         {
  48           strcpy(Buffer, "Error: data read back is not what was written");
  49           CloseHandle(file);
  50           return TS_FAILED;
  51         }
  52     }
  53
  54   CloseHandle(file);
  55   return TS_OK;
  56 }
  57
  58 int
  59 File_1Test(int Command, char *Buffer)
  60 {
  61   switch (Command)
  62     {
  63       case TESTCMD_RUN:
  64         return RunTest(Buffer);
  65       case TESTCMD_TESTNAME:
  66         strcpy(Buffer, "File read/write");
  67         return TS_OK;
  68       default:
  69         break;
  70     }
  71   return TS_FAILED;
  72 }