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 EnumPrintersA/EnumPrintersW
5 * COPYRIGHT: Copyright 2015 Colin Finck <colin@reactos.org>
10 #define WIN32_NO_STATUS
16 START_TEST(EnumPrinters
)
23 DWORD dwValidLevels
[] = { 0, 1, 2, 4, 5 };
25 // Level 5 is the highest supported under Windows Server 2003. Higher levels need to fail and leave the variables untouched!
26 cbNeeded
= 0xDEADBEEF;
27 dwReturned
= 0xDEADBEEF;
28 SetLastError(0xDEADBEEF);
29 ok(!EnumPrintersW(0, NULL
, 6, NULL
, 0, &cbNeeded
, &dwReturned
), "EnumPrintersW returns TRUE!\n");
30 ok(GetLastError() == ERROR_INVALID_LEVEL
, "EnumPrintersW returns error %lu!\n", GetLastError());
31 ok(cbNeeded
== 0xDEADBEEF, "cbNeeded is %lu!\n", cbNeeded
);
32 ok(dwReturned
== 0xDEADBEEF, "dwReturned is %lu!\n", dwReturned
);
34 // Same goes for level 3.
35 cbNeeded
= 0xDEADBEEF;
36 dwReturned
= 0xDEADBEEF;
37 SetLastError(0xDEADBEEF);
38 ok(!EnumPrintersW(0, NULL
, 3, NULL
, 0, &cbNeeded
, &dwReturned
), "EnumPrintersW returns TRUE!\n");
39 ok(GetLastError() == ERROR_INVALID_LEVEL
, "EnumPrintersW returns error %lu!\n", GetLastError());
40 ok(cbNeeded
== 0xDEADBEEF, "cbNeeded is %lu!\n", cbNeeded
);
41 ok(dwReturned
== 0xDEADBEEF, "dwReturned is %lu!\n", dwReturned
);
43 // Try for all valid levels. Level 0 is valid here and returns the PRINTER_INFO_STRESS structure (documented in MS-RPRN).
44 for (i
= 0; i
< sizeof(dwValidLevels
) / sizeof(DWORD
); i
++)
46 // Try with no valid arguments at all.
47 SetLastError(0xDEADBEEF);
48 ok(!EnumPrintersW(0, NULL
, dwValidLevels
[i
], NULL
, 0, NULL
, NULL
), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels
[i
]);
49 ok(GetLastError() == RPC_X_NULL_REF_POINTER
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
51 // It has to succeed if we supply the required pointers and query no information.
52 SetLastError(0xDEADBEEF);
53 ok(EnumPrintersW(0, NULL
, dwValidLevels
[i
], NULL
, 0, &cbNeeded
, &dwReturned
), "EnumPrintersW returns FALSE for Level %lu!\n", dwValidLevels
[i
]);
54 ok(GetLastError() == ERROR_SUCCESS
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
55 ok(cbNeeded
== 0, "cbNeeded is %lu for Level %lu!\n", cbNeeded
, dwValidLevels
[i
]);
56 ok(dwReturned
== 0, "dwReturned is %lu for Level %lu!\n", dwReturned
, dwValidLevels
[i
]);
58 // This constant is from Windows 9x/ME times and mustn't work anymore.
59 SetLastError(0xDEADBEEF);
60 ok(EnumPrintersW(PRINTER_ENUM_DEFAULT
, NULL
, dwValidLevels
[i
], NULL
, 0, &cbNeeded
, &dwReturned
), "EnumPrintersW returns FALSE for Level %lu!\n", dwValidLevels
[i
]);
61 ok(GetLastError() == ERROR_SUCCESS
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
62 ok(cbNeeded
== 0, "cbNeeded is %lu for Level %lu!\n", cbNeeded
, dwValidLevels
[i
]);
63 ok(dwReturned
== 0, "dwReturned is %lu for Level %lu!\n", dwReturned
, dwValidLevels
[i
]);
65 // Now things get interesting. Let's query the buffer size for information about the local printers.
66 SetLastError(0xDEADBEEF);
67 ok(!EnumPrintersW(PRINTER_ENUM_LOCAL
, NULL
, dwValidLevels
[i
], NULL
, 0, &cbNeeded
, &dwReturned
), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels
[i
]);
68 ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
69 ok(cbNeeded
> 0, "cbNeeded is 0 for Level %lu!\n", dwValidLevels
[i
]);
70 ok(dwReturned
== 0, "dwReturned is %lu for Level %lu!\n", dwReturned
, dwValidLevels
[i
]);
72 // Same error has to occur with a size to small.
73 SetLastError(0xDEADBEEF);
74 ok(!EnumPrintersW(PRINTER_ENUM_LOCAL
, NULL
, dwValidLevels
[i
], NULL
, 1, &cbNeeded
, &dwReturned
), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels
[i
]);
75 ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
76 ok(cbNeeded
> 0, "cbNeeded is 0 for Level %lu!\n", dwValidLevels
[i
]);
77 ok(dwReturned
== 0, "dwReturned is %lu for Level %lu!\n", dwReturned
, dwValidLevels
[i
]);
79 // Now provide the demanded size, but no buffer.
80 SetLastError(0xDEADBEEF);
81 ok(!EnumPrintersW(PRINTER_ENUM_LOCAL
, NULL
, dwValidLevels
[i
], NULL
, cbNeeded
, &cbTemp
, &dwReturned
), "EnumPrintersW returns TRUE for Level %lu!\n", dwValidLevels
[i
]);
82 ok(GetLastError() == ERROR_INVALID_USER_BUFFER
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
83 ok(cbTemp
== 0, "cbTemp is %lu for Level %lu!\n", cbTemp
, dwValidLevels
[i
]);
84 ok(dwReturned
== 0, "dwReturned is %lu for Level %lu!\n", dwReturned
, dwValidLevels
[i
]);
86 // Finally use the function as intended and aim for success!
87 pMem
= HeapAlloc(GetProcessHeap(), 0, cbNeeded
);
88 SetLastError(0xDEADBEEF);
89 ok(EnumPrintersW(PRINTER_ENUM_LOCAL
, NULL
, dwValidLevels
[i
], pMem
, cbNeeded
, &cbTemp
, &dwReturned
), "EnumPrintersW returns FALSE for Level %lu!\n", dwValidLevels
[i
]);
90 ok(GetLastError() == ERROR_SUCCESS
, "EnumPrintersW returns error %lu for Level %lu!\n", GetLastError(), dwValidLevels
[i
]);
91 HeapFree(GetProcessHeap(), 0, pMem
);