reactos/regtests/win32base/file-1.c

   1 #include <windows.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5
   6 #include "regtests.h"
   7
   8 static int RunTest(char *Buffer)
   9 {
  10   char buffer[4096];
  11   HANDLE file;
  12   DWORD wrote;
  13   int c;
  14
  15   file = CreateFile("test.dat",
  16    GENERIC_READ | GENERIC_WRITE,
  17    0,
  18    NULL,
  19    CREATE_ALWAYS,
  20    0,
  21    0);
  22
  23   if (file == INVALID_HANDLE_VALUE)
  24     {
  25       sprintf(Buffer, "Error opening file (Status %lx)", GetLastError());
  26       return TS_FAILED;
  27     }
  28
  29   for (c = 0; c < sizeof(buffer); c++)
  30     buffer[c] = (char)c;
  31
  32   if (WriteFile( file, buffer, 4096, &wrote, NULL) == FALSE)
  33     {
  34       sprintf(Buffer, "Error writing file (Status %lx)", GetLastError());
  35       return TS_FAILED;
  36     }
  37
  38   SetFilePointer(file, 0, 0, FILE_BEGIN);
  39
  40   if (ReadFile( file, buffer, 4096, &wrote, NULL) == FALSE)
  41     {
  42       sprintf(Buffer, "Error reading file (Status %lx)", GetLastError());
  43       return TS_FAILED;
  44     }
  45   for (c = 0; c < sizeof(buffer); c++)
  46     {
  47       if (buffer[c] != (char)c)
  48         {
  49           strcpy(Buffer, "Error: data read back is not what was written");
  50           CloseHandle(file);
  51           return TS_FAILED;
  52         }
  53     }
  54
  55   CloseHandle(file);
  56   return TS_OK;
  57 }
  58
  59 int
  60 File_1Test(int Command, char *Buffer)
  61 {
  62   switch (Command)
  63     {
  64       case TESTCMD_RUN:
  65         return RunTest(Buffer);
  66       case TESTCMD_TESTNAME:
  67         strcpy(Buffer, "File read/write");
  68         return TS_OK;
  69       default:
  70         break;
  71     }
  72   return TS_FAILED;
  73 }