rostests/apitests/winprint/EnumPrintProcessorDatatypesW.c

   1 /*
   2  * PROJECT:     ReactOS Standard Print Processor API Tests
   3  * LICENSE:     GNU GPLv2 or any later version as published by the Free Software Foundation
   4  * PURPOSE:     Tests for EnumPrintProcessorDatatypesW
   5  * COPYRIGHT:   Copyright 2015 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(EnumPrintProcessorDatatypesW)
  17 {
  18     DWORD cbNeeded;
  19     DWORD cbTemp;
  20     DWORD dwReturned;
  21     PDATATYPES_INFO_1W pDatatypesInfo1;
  22
  23     // Try with an invalid level. The error needs to be set by winspool, but not by the Print Processor.
  24     SetLastError(0xDEADBEEF);
  25     ok(!EnumPrintProcessorDatatypesW(NULL, NULL, 0, NULL, 0, NULL, NULL), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  26     ok(GetLastError() == 0xDEADBEEF, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  27
  28     // Now try with valid level, but no pcbNeeded and no pcReturned. The error needs to be set by RPC.
  29     SetLastError(0xDEADBEEF);
  30     ok(!EnumPrintProcessorDatatypesW(NULL, NULL, 1, NULL, 0, NULL, NULL), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  31     ok(GetLastError() == 0xDEADBEEF, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  32
  33     // Now try with pcbNeeded and pcReturned, but give no Print Processor. Show that winprint actually ignores the given Print Processor.
  34     SetLastError(0xDEADBEEF);
  35     ok(!EnumPrintProcessorDatatypesW(NULL, NULL, 1, NULL, 0, &cbNeeded, &dwReturned), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  36     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  37     ok(cbNeeded > 0, "cbNeeded is 0!\n");
  38     ok(dwReturned == 0, "dwReturned is %lu!\n", dwReturned);
  39
  40     // Same error has to occur when looking for an invalid Print Processor.
  41     SetLastError(0xDEADBEEF);
  42     ok(!EnumPrintProcessorDatatypesW(NULL, L"invalid", 1, NULL, 0, &cbNeeded, &dwReturned), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  43     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  44     ok(cbNeeded > 0, "cbNeeded is 0!\n");
  45     ok(dwReturned == 0, "dwReturned is %lu!\n", dwReturned);
  46
  47     // Now get the required buffer size by supplying all information. This needs to fail with ERROR_INSUFFICIENT_BUFFER.
  48     SetLastError(0xDEADBEEF);
  49     ok(!EnumPrintProcessorDatatypesW(NULL, L"winprint", 1, NULL, 0, &cbNeeded, &dwReturned), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  50     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  51     ok(cbNeeded > 0, "cbNeeded is 0!\n");
  52     ok(dwReturned == 0, "dwReturned is %lu!\n", dwReturned);
  53
  54     // Same error has to occur with a size to small.
  55     SetLastError(0xDEADBEEF);
  56     ok(!EnumPrintProcessorDatatypesW(NULL, L"winprint", 1, NULL, 1, &cbNeeded, &dwReturned), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  57     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "EnumPrintersW returns error %lu!\n", GetLastError());
  58     ok(cbNeeded > 0, "cbNeeded is 0!\n");
  59     ok(dwReturned == 0, "dwReturned is %lu!\n", dwReturned);
  60
  61     // Now provide the demanded size, but no buffer. Show that winprint returns a different error than the same function in winspool.
  62     SetLastError(0xDEADBEEF);
  63     ok(!EnumPrintProcessorDatatypesW(NULL, L"winprint", 1, NULL, cbNeeded, &cbTemp, &dwReturned), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  64     ok(GetLastError() == ERROR_INVALID_PARAMETER, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  65     ok(cbTemp == cbNeeded, "cbTemp is %lu!\n", cbTemp);
  66     ok(dwReturned == 0, "dwReturned is %lu!\n", dwReturned);
  67
  68     // This also has to fail the same way when no Print Processor was given at all.
  69     SetLastError(0xDEADBEEF);
  70     ok(!EnumPrintProcessorDatatypesW(NULL, NULL, 1, NULL, cbNeeded, &cbTemp, &dwReturned), "EnumPrintProcessorDatatypesW returns TRUE!\n");
  71     ok(GetLastError() == ERROR_INVALID_PARAMETER, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  72     ok(cbTemp == cbNeeded, "cbTemp is %lu!\n", cbTemp);
  73     ok(dwReturned == 0, "dwReturned is %lu!\n", dwReturned);
  74
  75     // Finally use the function as intended and aim for success! Show that winprint doesn't modify the error code at all.
  76     pDatatypesInfo1 = HeapAlloc(GetProcessHeap(), 0, cbNeeded);
  77     SetLastError(0xDEADBEEF);
  78     ok(EnumPrintProcessorDatatypesW(NULL, L"winprint", 1, (PBYTE)pDatatypesInfo1, cbNeeded, &cbNeeded, &dwReturned), "EnumPrintProcessorDatatypesW returns FALSE!\n");
  79     ok(GetLastError() == 0xDEADBEEF, "EnumPrintProcessorDatatypesW returns error %lu!\n", GetLastError());
  80     HeapFree(GetProcessHeap(), 0, pDatatypesInfo1);
  81 }