2 * Unit tests for module/DLL/library API
4 * Copyright (c) 2004 Eric Pouech
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #include "wine/test.h"
24 static BOOL is_unicode_enabled = TRUE;
26 static BOOL cmpStrAW(const char* a, const WCHAR* b, DWORD lenA, DWORD lenB)
30 DWORD len = MultiByteToWideChar( AreFileApisANSI() ? CP_ACP : CP_OEMCP, 0,
31 a, lenA, aw, sizeof(aw) / sizeof(aw[0]) );
32 if (len != lenB) return FALSE;
33 return memcmp(aw, b, len * sizeof(WCHAR)) == 0;
36 static void testGetModuleFileName(const char* name)
41 DWORD len1A, len1W = 0, len2A, len2W = 0;
43 hMod = (name) ? GetModuleHandle(name) : NULL;
45 /* first test, with enough space in buffer */
46 memset(bufA, '-', sizeof(bufA));
47 len1A = GetModuleFileNameA(hMod, bufA, sizeof(bufA));
48 ok(len1A > 0, "Getting module filename for handle %p\n", hMod);
50 if (is_unicode_enabled)
52 memset(bufW, '-', sizeof(bufW));
53 len1W = GetModuleFileNameW(hMod, bufW, sizeof(bufW) / sizeof(WCHAR));
54 ok(len1W > 0, "Getting module filename for handle %p\n", hMod);
57 ok(len1A == strlen(bufA), "Unexpected length of GetModuleFilenameA (%d/%d)\n", len1A, lstrlenA(bufA));
59 if (is_unicode_enabled)
61 ok(len1W == lstrlenW(bufW), "Unexpected length of GetModuleFilenameW (%d/%d)\n", len1W, lstrlenW(bufW));
62 ok(cmpStrAW(bufA, bufW, len1A, len1W), "Comparing GetModuleFilenameAW results\n");
65 /* second test with a buffer too small */
66 memset(bufA, '-', sizeof(bufA));
67 len2A = GetModuleFileNameA(hMod, bufA, len1A / 2);
68 ok(len2A > 0, "Getting module filename for handle %p\n", hMod);
70 if (is_unicode_enabled)
72 memset(bufW, '-', sizeof(bufW));
73 len2W = GetModuleFileNameW(hMod, bufW, len1W / 2);
74 ok(len2W > 0, "Getting module filename for handle %p\n", hMod);
75 ok(cmpStrAW(bufA, bufW, len2A, len2W), "Comparing GetModuleFilenameAW results with buffer too small\n" );
76 ok(len1W / 2 == len2W, "Correct length in GetModuleFilenameW with buffer too small (%d/%d)\n", len1W / 2, len2W);
79 ok(len1A / 2 == len2A ||
80 len1A / 2 == len2A + 1, /* Win9x */
81 "Correct length in GetModuleFilenameA with buffer too small (%d/%d)\n", len1A / 2, len2A);
84 static void testGetModuleFileName_Wrong(void)
89 /* test wrong handle */
90 if (is_unicode_enabled)
93 ok(GetModuleFileNameW((void*)0xffffffff, bufW, sizeof(bufW) / sizeof(WCHAR)) == 0, "Unexpected success in module handle\n");
94 ok(bufW[0] == '*', "When failing, buffer shouldn't be written to\n");
98 ok(GetModuleFileNameA((void*)0xffffffff, bufA, sizeof(bufA)) == 0, "Unexpected success in module handle\n");
100 bufA[0] == 0 /* Win9x */,
101 "When failing, buffer shouldn't be written to\n");
104 static void testLoadLibraryA(void)
106 HMODULE hModule, hModule1;
109 SetLastError(0xdeadbeef);
110 hModule = LoadLibraryA("kernel32.dll");
111 ok( hModule != NULL, "kernel32.dll should be loadable\n");
112 ok( GetLastError() == 0xdeadbeef, "GetLastError should be 0xdeadbeef but is %d\n", GetLastError());
114 fp = GetProcAddress(hModule, "CreateFileA");
115 ok( fp != NULL, "CreateFileA should be there\n");
116 ok( GetLastError() == 0xdeadbeef, "GetLastError should be 0xdeadbeef but is %d\n", GetLastError());
118 SetLastError(0xdeadbeef);
119 hModule1 = LoadLibraryA("kernel32 ");
120 /* Only winNT does this */
121 if (GetLastError() != ERROR_DLL_NOT_FOUND)
123 ok( hModule1 != NULL, "\"kernel32 \" should be loadable\n");
124 ok( GetLastError() == 0xdeadbeef, "GetLastError should be 0xdeadbeef but is %d\n", GetLastError());
125 ok( hModule == hModule1, "Loaded wrong module\n");
126 FreeLibrary(hModule1);
128 FreeLibrary(hModule);
131 static void testNestedLoadLibraryA(void)
133 static const char dllname[] = "shell32.dll";
134 char path1[MAX_PATH], path2[MAX_PATH];
135 HMODULE hModule1, hModule2, hModule3;
137 /* This is not really a Windows conformance test, but more a Wine
138 * regression test. Wine's builtin dlls can be loaded from multiple paths,
139 * and this test tries to make sure that Wine does not get confused and
140 * really unloads the Unix .so file at the right time. Failure to do so
141 * will result in the dll being unloadable.
142 * This test must be done with a dll that can be unloaded, which means:
143 * - it must not already be loaded
144 * - it must not have a 16-bit counterpart
146 GetWindowsDirectory(path1, sizeof(path1));
147 strcat(path1, "\\system\\");
148 strcat(path1, dllname);
149 hModule1 = LoadLibraryA(path1);
152 /* We must be on Windows NT, so we cannot test */
156 GetWindowsDirectory(path2, sizeof(path2));
157 strcat(path2, "\\system32\\");
158 strcat(path2, dllname);
159 hModule2 = LoadLibraryA(path2);
162 /* We must be on Windows 9x, so we cannot test */
163 ok(FreeLibrary(hModule1), "FreeLibrary() failed\n");
167 /* The first LoadLibrary() call may have registered the dll under the
168 * system32 path. So load it, again, under the '...\system\...' path so
169 * Wine does not immediately notice that it is already loaded.
171 hModule3 = LoadLibraryA(path1);
172 ok(hModule3 != NULL, "LoadLibrary(%s) failed\n", path1);
174 /* Now fully unload the dll */
175 ok(FreeLibrary(hModule3), "FreeLibrary() failed\n");
176 ok(FreeLibrary(hModule2), "FreeLibrary() failed\n");
177 ok(FreeLibrary(hModule1), "FreeLibrary() failed\n");
178 ok(GetModuleHandle(dllname) == NULL, "%s was not fully unloaded\n", dllname);
180 /* Try to load the dll again, if refcounting is ok, this should work */
181 hModule1 = LoadLibraryA(path1);
182 ok(hModule1 != NULL, "LoadLibrary(%s) failed\n", path1);
183 if (hModule1 != NULL)
184 ok(FreeLibrary(hModule1), "FreeLibrary() failed\n");
187 static void testLoadLibraryA_Wrong(void)
191 /* Try to load a nonexistent dll */
192 SetLastError(0xdeadbeef);
193 hModule = LoadLibraryA("non_ex_pv.dll");
194 ok( !hModule, "non_ex_pv.dll should be not loadable\n");
195 ok( GetLastError() == ERROR_MOD_NOT_FOUND || GetLastError() == ERROR_DLL_NOT_FOUND,
196 "Expected ERROR_MOD_NOT_FOUND or ERROR_DLL_NOT_FOUND (win9x), got %d\n", GetLastError());
199 FreeLibrary(hModule);
202 static void testGetProcAddress_Wrong(void)
206 SetLastError(0xdeadbeef);
207 fp = GetProcAddress(NULL, "non_ex_call");
208 ok( !fp, "non_ex_call should not be found\n");
209 ok( GetLastError() == ERROR_PROC_NOT_FOUND || GetLastError() == ERROR_INVALID_HANDLE,
210 "Expected ERROR_PROC_NOT_FOUND or ERROR_INVALID_HANDLE(win9x), got %d\n", GetLastError());
212 SetLastError(0xdeadbeef);
213 fp = GetProcAddress((HMODULE)0xdeadbeef, "non_ex_call");
214 ok( !fp, "non_ex_call should not be found\n");
215 ok( GetLastError() == ERROR_MOD_NOT_FOUND || GetLastError() == ERROR_INVALID_HANDLE,
216 "Expected ERROR_MOD_NOT_FOUND or ERROR_INVALID_HANDLE(win9x), got %d\n", GetLastError());
219 static void testLoadLibraryEx(void)
225 hfile = CreateFileA("testfile.dll", GENERIC_READ | GENERIC_WRITE,
226 FILE_SHARE_READ | FILE_SHARE_WRITE,
227 NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
228 ok(hfile != INVALID_HANDLE_VALUE, "Expected a valid file handle\n");
230 /* NULL lpFileName */
231 SetLastError(0xdeadbeef);
232 hmodule = LoadLibraryExA(NULL, NULL, 0);
233 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
234 ok(GetLastError() == ERROR_MOD_NOT_FOUND ||
235 GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
236 "Expected ERROR_MOD_NOT_FOUND or ERROR_INVALID_PARAMETER, got %d\n",
239 /* empty lpFileName */
240 SetLastError(0xdeadbeef);
241 hmodule = LoadLibraryExA("", NULL, 0);
242 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
243 ok(GetLastError() == ERROR_MOD_NOT_FOUND ||
244 GetLastError() == ERROR_DLL_NOT_FOUND, /* win9x */
245 "Expected ERROR_MOD_NOT_FOUND or ERROR_DLL_NOT_FOUND, got %d\n",
248 /* hFile is non-NULL */
249 SetLastError(0xdeadbeef);
250 hmodule = LoadLibraryExA("testfile.dll", hfile, 0);
251 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
254 ok(GetLastError() == ERROR_SHARING_VIOLATION ||
255 GetLastError() == ERROR_INVALID_PARAMETER || /* win2k3 */
256 GetLastError() == ERROR_FILE_NOT_FOUND, /* win9x */
257 "Unexpected last error, got %d\n", GetLastError());
260 SetLastError(0xdeadbeef);
261 hmodule = LoadLibraryExA("testfile.dll", (HANDLE)0xdeadbeef, 0);
262 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
265 ok(GetLastError() == ERROR_SHARING_VIOLATION ||
266 GetLastError() == ERROR_INVALID_PARAMETER || /* win2k3 */
267 GetLastError() == ERROR_FILE_NOT_FOUND, /* win9x */
268 "Unexpected last error, got %d\n", GetLastError());
271 /* try to open a file that is locked */
272 SetLastError(0xdeadbeef);
273 hmodule = LoadLibraryExA("testfile.dll", NULL, 0);
274 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
277 ok(GetLastError() == ERROR_SHARING_VIOLATION ||
278 GetLastError() == ERROR_FILE_NOT_FOUND, /* win9x */
279 "Expected ERROR_SHARING_VIOLATION or ERROR_FILE_NOT_FOUND, got %d\n",
283 /* lpFileName does not matter */
284 SetLastError(0xdeadbeef);
285 hmodule = LoadLibraryExA(NULL, hfile, 0);
286 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
287 ok(GetLastError() == ERROR_MOD_NOT_FOUND ||
288 GetLastError() == ERROR_INVALID_PARAMETER, /* win2k3 */
289 "Expected ERROR_MOD_NOT_FOUND or ERROR_INVALID_PARAMETER, got %d\n",
294 /* load empty file */
295 SetLastError(0xdeadbeef);
296 hmodule = LoadLibraryExA("testfile.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
297 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
300 ok(GetLastError() == ERROR_FILE_INVALID ||
301 GetLastError() == ERROR_BAD_FORMAT, /* win9x */
302 "Expected ERROR_FILE_INVALID or ERROR_BAD_FORMAT, got %d\n",
306 DeleteFileA("testfile.dll");
308 GetSystemDirectoryA(path, MAX_PATH);
309 if (path[lstrlenA(path) - 1] != '\\')
310 lstrcatA(path, "\\");
311 lstrcatA(path, "kernel32.dll");
313 /* load kernel32.dll with an absolute path */
314 SetLastError(0xdeadbeef);
315 hmodule = LoadLibraryExA(path, NULL, LOAD_LIBRARY_AS_DATAFILE);
316 ok(hmodule != 0, "Expected valid module handle\n");
317 ok(GetLastError() == 0xdeadbeef ||
318 GetLastError() == ERROR_SUCCESS, /* win9x */
319 "Expected 0xdeadbeef or ERROR_SUCCESS, got %d\n", GetLastError());
321 /* try invalid file handle */
322 SetLastError(0xdeadbeef);
323 hmodule = LoadLibraryExA(path, (HANDLE)0xdeadbeef, 0);
324 if (!hmodule) /* succeeds on xp and older */
325 ok(GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError());
327 CloseHandle(hmodule);
329 /* load kernel32.dll with no path */
330 SetLastError(0xdeadbeef);
331 hmodule = LoadLibraryExA("kernel32.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
332 ok(hmodule != 0, "Expected valid module handle\n");
333 ok(GetLastError() == 0xdeadbeef ||
334 GetLastError() == ERROR_SUCCESS, /* win9x */
335 "Expected 0xdeadbeef or ERROR_SUCCESS, got %d\n", GetLastError());
337 CloseHandle(hmodule);
339 GetCurrentDirectoryA(MAX_PATH, path);
340 if (path[lstrlenA(path) - 1] != '\\')
341 lstrcatA(path, "\\");
342 lstrcatA(path, "kernel32.dll");
344 /* load kernel32.dll with an absolute path that does not exist */
345 SetLastError(0xdeadbeef);
346 hmodule = LoadLibraryExA(path, NULL, LOAD_LIBRARY_AS_DATAFILE);
349 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
351 ok(GetLastError() == ERROR_FILE_NOT_FOUND ||
352 broken(GetLastError() == ERROR_INVALID_HANDLE), /* nt4 */
353 "Expected ERROR_FILE_NOT_FOUND, got %d\n", GetLastError());
358 WCHAR filenameW[MAX_PATH];
360 /* Test if we can use GetModuleFileNameW */
362 SetLastError(0xdeadbeef);
363 GetModuleFileNameW(NULL, filenameW, MAX_PATH);
364 if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
366 win_skip("GetModuleFileNameW not existing on this platform, skipping W-calls\n");
367 is_unicode_enabled = FALSE;
370 testGetModuleFileName(NULL);
371 testGetModuleFileName("kernel32.dll");
372 testGetModuleFileName_Wrong();
375 testNestedLoadLibraryA();
376 testLoadLibraryA_Wrong();
377 testGetProcAddress_Wrong();