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af0a3b64a9
- Add tests for EnumPrinters - Fix a test for EnumPrintProcessorDatatypes svn path=/branches/colins-printing-for-freedom/; revision=68007
94 lines
5.5 KiB
C
94 lines
5.5 KiB
C
/*
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* PROJECT: ReactOS Print Spooler DLL API Tests
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* LICENSE: GNU GPLv2 or any later version as published by the Free Software Foundation
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* PURPOSE: Tests for EnumPrintersA/EnumPrintersW
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* COPYRIGHT: Copyright 2015 Colin Finck <colin@reactos.org>
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*/
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#include <apitest.h>
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#define WIN32_NO_STATUS
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#include <windef.h>
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#include <winbase.h>
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#include <wingdi.h>
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#include <winspool.h>
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START_TEST(EnumPrinters)
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{
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DWORD cbNeeded;
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DWORD cbTemp;
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DWORD dwReturned;
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PVOID pMem;
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DWORD i;
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DWORD dwValidLevels[] = { 0, 1, 2, 4, 5 };
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// Level 5 is the highest supported under Windows Server 2003. Higher levels need to fail and leave the variables untouched!
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cbNeeded = 0xDEADBEEF;
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dwReturned = 0xDEADBEEF;
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SetLastError(0xDEADBEEF);
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ok(!EnumPrintersW(0, NULL, 6, NULL, 0, &cbNeeded, &dwReturned), "EnumPrintersW returns TRUE!\n");
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ok(GetLastError() == ERROR_INVALID_LEVEL, "EnumPrintersW returns error %lu!\n", GetLastError());
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ok(cbNeeded == 0xDEADBEEF, "cbNeeded is %lu!\n", cbNeeded);
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ok(dwReturned == 0xDEADBEEF, "dwReturned is %lu!\n", dwReturned);
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// Same goes for level 3.
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cbNeeded = 0xDEADBEEF;
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dwReturned = 0xDEADBEEF;
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SetLastError(0xDEADBEEF);
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ok(!EnumPrintersW(0, NULL, 3, NULL, 0, &cbNeeded, &dwReturned), "EnumPrintersW returns TRUE!\n");
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ok(GetLastError() == ERROR_INVALID_LEVEL, "EnumPrintersW returns error %lu!\n", GetLastError());
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ok(cbNeeded == 0xDEADBEEF, "cbNeeded is %lu!\n", cbNeeded);
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ok(dwReturned == 0xDEADBEEF, "dwReturned is %lu!\n", dwReturned);
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// Try for all valid levels. Level 0 is valid here and returns the PRINTER_INFO_STRESS structure (documented in MS-RPRN).
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for (i = 0; i < sizeof(dwValidLevels) / sizeof(DWORD); i++)
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{
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// Try with no valid arguments at all.
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SetLastError(0xDEADBEEF);
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ok(!EnumPrintersW(0, NULL, dwValidLevels[i], NULL, 0, NULL, NULL), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == RPC_X_NULL_REF_POINTER, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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// It has to succeed if we supply the required pointers and query no information.
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SetLastError(0xDEADBEEF);
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ok(EnumPrintersW(0, NULL, dwValidLevels[i], NULL, 0, &cbNeeded, &dwReturned), "EnumPrintersW returns FALSE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == ERROR_SUCCESS, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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ok(cbNeeded == 0, "cbNeeded is %lu for Level %lu!\n", cbNeeded, dwValidLevels[i]);
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ok(dwReturned == 0, "dwReturned is %lu for Level %lu!\n", dwReturned, dwValidLevels[i]);
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// This constant is from Windows 9x/ME times and mustn't work anymore.
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SetLastError(0xDEADBEEF);
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ok(EnumPrintersW(PRINTER_ENUM_DEFAULT, NULL, dwValidLevels[i], NULL, 0, &cbNeeded, &dwReturned), "EnumPrintersW returns FALSE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == ERROR_SUCCESS, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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ok(cbNeeded == 0, "cbNeeded is %lu for Level %lu!\n", cbNeeded, dwValidLevels[i]);
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ok(dwReturned == 0, "dwReturned is %lu for Level %lu!\n", dwReturned, dwValidLevels[i]);
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// Now things get interesting. Let's query the buffer size for information about the local printers.
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SetLastError(0xDEADBEEF);
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ok(!EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, dwValidLevels[i], NULL, 0, &cbNeeded, &dwReturned), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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ok(cbNeeded > 0, "cbNeeded is 0 for Level %lu!\n", dwValidLevels[i]);
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ok(dwReturned == 0, "dwReturned is %lu for Level %lu!\n", dwReturned, dwValidLevels[i]);
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// Same error has to occur with a size to small.
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SetLastError(0xDEADBEEF);
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ok(!EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, dwValidLevels[i], NULL, 1, &cbNeeded, &dwReturned), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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ok(cbNeeded > 0, "cbNeeded is 0 for Level %lu!\n", dwValidLevels[i]);
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ok(dwReturned == 0, "dwReturned is %lu for Level %lu!\n", dwReturned, dwValidLevels[i]);
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// Now provide the demanded size, but no buffer.
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SetLastError(0xDEADBEEF);
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ok(!EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, dwValidLevels[i], NULL, cbNeeded, &cbTemp, &dwReturned), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == ERROR_INVALID_USER_BUFFER, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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ok(cbTemp == 0, "cbTemp is %lu for Level %lu!\n", cbTemp, dwValidLevels[i]);
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ok(dwReturned == 0, "dwReturned is %lu for Level %lu!\n", dwReturned, dwValidLevels[i]);
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// Finally use the function as intended and aim for success!
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pMem = HeapAlloc(GetProcessHeap(), 0, cbNeeded);
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SetLastError(0xDEADBEEF);
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ok(EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, dwValidLevels[i], pMem, cbNeeded, &cbTemp, &dwReturned), "EnumPrintersW returns FALSE for Level %lu!\n", dwValidLevels[i]);
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ok(GetLastError() == ERROR_SUCCESS, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels[i]);
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HeapFree(GetProcessHeap(), 0, pMem);
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}
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}
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