rostests/apitests/winspool/GetPrintProcessorDirectory.c

   1 /*
   2  * PROJECT:     ReactOS Print Spooler DLL API Tests
   3  * LICENSE:     GNU GPLv2 or any later version as published by the Free Software Foundation
   4  * PURPOSE:     Tests for GetPrintProcessorDirectoryA/GetPrintProcessorDirectoryW
   5  * COPYRIGHT:   Copyright 2015-2016 Colin Finck <colin@reactos.org>
   6  */
   7
   8 #include <apitest.h>
   9
  10 #define WIN32_NO_STATUS
  11 #include <windef.h>
  12 #include <winbase.h>
  13 #include <wingdi.h>
  14 #include <winspool.h>
  15
  16 START_TEST(GetPrintProcessorDirectoryA)
  17 {
  18     DWORD cbNeeded;
  19     DWORD cbTemp;
  20     PSTR pszBuffer;
  21
  22     // Try with an invalid level, this needs to be caught first.
  23     SetLastError(0xDEADBEEF);
  24     ok(!GetPrintProcessorDirectoryA(NULL, NULL, 0, NULL, 0, NULL), "GetPrintProcessorDirectoryA returns TRUE!\n");
  25     ok(GetLastError() == ERROR_INVALID_LEVEL, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  26
  27     // Now try with valid level, but no pcbNeeded.
  28     SetLastError(0xDEADBEEF);
  29     ok(!GetPrintProcessorDirectoryA(NULL, NULL, 1, NULL, 0, NULL), "GetPrintProcessorDirectoryA returns TRUE!\n");
  30     ok(GetLastError() == RPC_X_NULL_REF_POINTER, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  31
  32     // Try with an invalid environment as well.
  33     SetLastError(0xDEADBEEF);
  34     ok(!GetPrintProcessorDirectoryA(NULL, "invalid", 1, NULL, 0, &cbNeeded), "GetPrintProcessorDirectoryA returns TRUE!\n");
  35     ok(GetLastError() == ERROR_INVALID_ENVIRONMENT, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  36     ok(cbNeeded == 0, "cbNeeded is %lu!\n", cbNeeded);
  37
  38     // Now get the required buffer size by supplying pcbNeeded. This needs to fail with ERROR_INSUFFICIENT_BUFFER.
  39     // Note for GetPrintProcessorDirectoryA: cbNeeded will be the same as for GetPrintProcessorDirectoryW, even though the ANSI string only needs half of it!
  40     SetLastError(0xDEADBEEF);
  41     ok(!GetPrintProcessorDirectoryA(NULL, NULL, 1, NULL, 0, &cbNeeded), "GetPrintProcessorDirectoryA returns TRUE!\n");
  42     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  43     ok(cbNeeded > 0, "cbNeeded is 0!\n");
  44
  45     // Now provide the demanded size, but no buffer.
  46     SetLastError(0xDEADBEEF);
  47     ok(!GetPrintProcessorDirectoryA(NULL, NULL, 1, NULL, cbNeeded, &cbTemp), "GetPrintProcessorDirectoryA returns TRUE!\n");
  48     ok(GetLastError() == ERROR_INVALID_USER_BUFFER, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  49     ok(cbTemp == 0, "cbTemp is %lu!\n", cbTemp);
  50
  51     // Same error has to occur with a size too small.
  52     SetLastError(0xDEADBEEF);
  53     ok(!GetPrintProcessorDirectoryA(NULL, NULL, 1, NULL, 1, &cbTemp), "GetPrintProcessorDirectoryA returns TRUE!\n");
  54     ok(GetLastError() == ERROR_INVALID_USER_BUFFER, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  55     ok(cbTemp == 0, "cbTemp is %lu!\n", cbTemp);
  56
  57     // Finally use the function as intended and aim for success!
  58     pszBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cbNeeded);
  59     SetLastError(0xDEADBEEF);
  60     ok(GetPrintProcessorDirectoryA(NULL, NULL, 1, (PBYTE)pszBuffer, cbNeeded, &cbTemp), "GetPrintProcessorDirectoryA returns FALSE!\n");
  61     ok(GetLastError() == ERROR_SUCCESS, "GetPrintProcessorDirectoryA returns error %lu!\n", GetLastError());
  62
  63     // Note for GetPrintProcessorDirectoryA: cbNeeded is the same as for GetPrintProcessorDirectoryW!
  64     ok(strlen(pszBuffer) == cbNeeded / sizeof(WCHAR) - 1, "GetPrintProcessorDirectoryA string is %Iu characters long, but %lu characters expected!\n", strlen(pszBuffer), cbNeeded / sizeof(WCHAR) - 1);
  65     HeapFree(GetProcessHeap(), 0, pszBuffer);
  66 }
  67
  68 START_TEST(GetPrintProcessorDirectoryW)
  69 {
  70     DWORD cbNeeded;
  71     DWORD cbTemp;
  72     PWSTR pwszBuffer;
  73
  74     // Try with an invalid level, this needs to be caught first.
  75     SetLastError(0xDEADBEEF);
  76     ok(!GetPrintProcessorDirectoryW(NULL, NULL, 0, NULL, 0, NULL), "GetPrintProcessorDirectoryW returns TRUE!\n");
  77     ok(GetLastError() == ERROR_INVALID_LEVEL, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
  78
  79     // Now try with valid level, but no pcbNeeded.
  80     SetLastError(0xDEADBEEF);
  81     ok(!GetPrintProcessorDirectoryW(NULL, NULL, 1, NULL, 0, NULL), "GetPrintProcessorDirectoryW returns TRUE!\n");
  82     ok(GetLastError() == RPC_X_NULL_REF_POINTER, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
  83
  84     // Try with an invalid environment as well.
  85     SetLastError(0xDEADBEEF);
  86     ok(!GetPrintProcessorDirectoryW(NULL, L"invalid", 1, NULL, 0, &cbNeeded), "GetPrintProcessorDirectoryW returns TRUE!\n");
  87     ok(GetLastError() == ERROR_INVALID_ENVIRONMENT, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
  88     ok(cbNeeded == 0, "cbNeeded is %lu!\n", cbNeeded);
  89
  90     // Now get the required buffer size by supplying pcbNeeded. This needs to fail with ERROR_INSUFFICIENT_BUFFER.
  91     SetLastError(0xDEADBEEF);
  92     ok(!GetPrintProcessorDirectoryW(NULL, NULL, 1, NULL, 0, &cbNeeded), "GetPrintProcessorDirectoryW returns TRUE!\n");
  93     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
  94     ok(cbNeeded > 0, "cbNeeded is 0!\n");
  95
  96     // Now provide the demanded size, but no buffer.
  97     SetLastError(0xDEADBEEF);
  98     ok(!GetPrintProcessorDirectoryW(NULL, NULL, 1, NULL, cbNeeded, &cbTemp), "GetPrintProcessorDirectoryW returns TRUE!\n");
  99     ok(GetLastError() == ERROR_INVALID_USER_BUFFER, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
 100     ok(cbTemp == 0, "cbTemp is %lu!\n", cbTemp);
 101
 102     // Same error has to occur with a size too small.
 103     SetLastError(0xDEADBEEF);
 104     ok(!GetPrintProcessorDirectoryW(NULL, NULL, 1, NULL, 1, &cbTemp), "GetPrintProcessorDirectoryW returns TRUE!\n");
 105     ok(GetLastError() == ERROR_INVALID_USER_BUFFER, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
 106     ok(cbTemp == 0, "cbTemp is %lu!\n", cbTemp);
 107
 108     // Finally use the function as intended and aim for success!
 109     pwszBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cbNeeded);
 110     SetLastError(0xDEADBEEF);
 111     ok(GetPrintProcessorDirectoryW(NULL, NULL, 1, (PBYTE)pwszBuffer, cbNeeded, &cbTemp), "GetPrintProcessorDirectoryW returns FALSE!\n");
 112     ok(GetLastError() == ERROR_SUCCESS, "GetPrintProcessorDirectoryW returns error %lu!\n", GetLastError());
 113     ok(wcslen(pwszBuffer) == cbNeeded / sizeof(WCHAR) - 1, "GetPrintProcessorDirectoryW string is %Iu characters long, but %lu characters expected!\n", wcslen(pwszBuffer), cbNeeded / sizeof(WCHAR) - 1);
 114     HeapFree(GetProcessHeap(), 0, pwszBuffer);
 115 }