modules/rostests/apitests/kernel32/GetVolumeInformation.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
   4  * PURPOSE:         Tests for GetVolumeInformation
   5  * PROGRAMMER:      Pierre Schweitzer <pierre@reactos.org>
   6  */
   7
   8 #include "precomp.h"
   9
  10 static VOID
  11 TestGetVolumeInformationA(VOID)
  12 {
  13     BOOL Ret;
  14     CHAR Outbuf[MAX_PATH];
  15     DWORD i, MCL, Flags, Len;
  16
  17     memset(Outbuf, 0xAA, MAX_PATH);
  18     Ret = GetVolumeInformationA("C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, MAX_PATH);
  19     ok(Ret != FALSE, "GetVolumeInformationA failed: %ld\n", GetLastError());
  20     for (i = 0; i < MAX_PATH; ++i)
  21     {
  22         if (Outbuf[i] == 0)
  23         {
  24             break;
  25         }
  26     }
  27     ok(i != MAX_PATH, "String was not null terminated!\n");
  28
  29     memset(Outbuf, 0xAA, MAX_PATH);
  30     Len = i;
  31     Ret = GetVolumeInformationA("C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len + 1);
  32     ok(Ret != FALSE, "GetVolumeInformationA failed: %ld\n", GetLastError());
  33     for (i = 0; i < MAX_PATH; ++i)
  34     {
  35         if (Outbuf[i] == 0)
  36         {
  37             break;
  38         }
  39     }
  40     ok(i != MAX_PATH, "String was not null terminated!\n");
  41     ok(i == Len, "String was truncated\n");
  42
  43     memset(Outbuf, 0xAA, MAX_PATH);
  44     Len = i;
  45     SetLastError(0xdeadbeef);
  46     Ret = GetVolumeInformationA("C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len);
  47     ok(Ret != TRUE, "GetVolumeInformationA succeed\n");
  48     ok(GetLastError() == ERROR_BAD_LENGTH, "Expected ERROR_BAD_LENGTH error, got %ld\n", GetLastError());
  49     ok(Outbuf[0] != 0xAA, "Output buffer was not written to\n");
  50     for (i = 0; i < MAX_PATH; ++i)
  51     {
  52         if (Outbuf[i] == 0)
  53         {
  54             break;
  55         }
  56     }
  57     ok(i == MAX_PATH, "String was null terminated!\n");
  58     for (i = 0; i < MAX_PATH; ++i)
  59     {
  60         if (Outbuf[i] != 0xAA)
  61         {
  62             break;
  63         }
  64     }
  65     ok(i != MAX_PATH, "String was not written to!\n");
  66     ok(i < Len, "Buffer has been overruned\n");
  67 }
  68
  69 static VOID
  70 TestGetVolumeInformationW(VOID)
  71 {
  72     BOOL Ret;
  73     WCHAR Outbuf[MAX_PATH];
  74     DWORD i, MCL, Flags, Len;
  75
  76     memset(Outbuf, 0xAA, MAX_PATH);
  77     Ret = GetVolumeInformationW(L"C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, MAX_PATH);
  78     ok(Ret != FALSE, "GetVolumeInformationW failed: %ld\n", GetLastError());
  79     for (i = 0; i < MAX_PATH; ++i)
  80     {
  81         if (Outbuf[i] == 0)
  82         {
  83             break;
  84         }
  85     }
  86     ok(i != MAX_PATH, "String was not null terminated!\n");
  87
  88     memset(Outbuf, 0xAA, MAX_PATH);
  89     Len = i;
  90     Ret = GetVolumeInformationW(L"C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len + 1);
  91     ok(Ret != FALSE, "GetVolumeInformationW failed: %ld\n", GetLastError());
  92     for (i = 0; i < MAX_PATH; ++i)
  93     {
  94         if (Outbuf[i] == 0)
  95         {
  96             break;
  97         }
  98     }
  99     ok(i != MAX_PATH, "String was not null terminated!\n");
 100     ok(i == Len, "String was truncated\n");
 101
 102     memset(Outbuf, 0xAA, MAX_PATH);
 103     Len = i;
 104     SetLastError(0xdeadbeef);
 105     Ret = GetVolumeInformationW(L"C:\\", NULL, 0, NULL, &MCL, &Flags, Outbuf, Len);
 106     ok(Ret != TRUE, "GetVolumeInformationW succeed\n");
 107     ok(GetLastError() == ERROR_BAD_LENGTH, "Expected ERROR_BAD_LENGTH error, got %ld\n", GetLastError());
 108     ok(Outbuf[0] != 0xAA, "Output buffer was not written to\n");
 109     for (i = 0; i < MAX_PATH; ++i)
 110     {
 111         if (Outbuf[i] == 0)
 112         {
 113             break;
 114         }
 115     }
 116     ok(i != MAX_PATH, "String was not null terminated!\n");
 117     ok(i >= Len, "Buffer has not been overruned\n");
 118 }
 119
 120 START_TEST(GetVolumeInformation)
 121 {
 122     TestGetVolumeInformationW();
 123     TestGetVolumeInformationA();
 124 }