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 if (is_unicode_enabled)
233 SetLastError(0xdeadbeef);
234 hmodule = LoadLibraryExA(NULL, NULL, 0);
235 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
236 ok(GetLastError() == ERROR_MOD_NOT_FOUND ||
237 GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
238 "Expected ERROR_MOD_NOT_FOUND or ERROR_INVALID_PARAMETER, got %d\n",
242 win_skip("NULL filename crashes on WinMe\n");
244 /* empty lpFileName */
245 SetLastError(0xdeadbeef);
246 hmodule = LoadLibraryExA("", NULL, 0);
247 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
248 ok(GetLastError() == ERROR_MOD_NOT_FOUND ||
249 GetLastError() == ERROR_DLL_NOT_FOUND, /* win9x */
250 "Expected ERROR_MOD_NOT_FOUND or ERROR_DLL_NOT_FOUND, got %d\n",
253 /* hFile is non-NULL */
254 SetLastError(0xdeadbeef);
255 hmodule = LoadLibraryExA("testfile.dll", hfile, 0);
256 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
259 ok(GetLastError() == ERROR_SHARING_VIOLATION ||
260 GetLastError() == ERROR_INVALID_PARAMETER || /* win2k3 */
261 GetLastError() == ERROR_FILE_NOT_FOUND, /* win9x */
262 "Unexpected last error, got %d\n", GetLastError());
265 SetLastError(0xdeadbeef);
266 hmodule = LoadLibraryExA("testfile.dll", (HANDLE)0xdeadbeef, 0);
267 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
270 ok(GetLastError() == ERROR_SHARING_VIOLATION ||
271 GetLastError() == ERROR_INVALID_PARAMETER || /* win2k3 */
272 GetLastError() == ERROR_FILE_NOT_FOUND, /* win9x */
273 "Unexpected last error, got %d\n", GetLastError());
276 /* try to open a file that is locked */
277 SetLastError(0xdeadbeef);
278 hmodule = LoadLibraryExA("testfile.dll", NULL, 0);
279 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
282 ok(GetLastError() == ERROR_SHARING_VIOLATION ||
283 GetLastError() == ERROR_FILE_NOT_FOUND, /* win9x */
284 "Expected ERROR_SHARING_VIOLATION or ERROR_FILE_NOT_FOUND, got %d\n",
288 /* lpFileName does not matter */
289 if (is_unicode_enabled)
291 SetLastError(0xdeadbeef);
292 hmodule = LoadLibraryExA(NULL, hfile, 0);
293 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
294 ok(GetLastError() == ERROR_MOD_NOT_FOUND ||
295 GetLastError() == ERROR_INVALID_PARAMETER, /* win2k3 */
296 "Expected ERROR_MOD_NOT_FOUND or ERROR_INVALID_PARAMETER, got %d\n",
302 /* load empty file */
303 SetLastError(0xdeadbeef);
304 hmodule = LoadLibraryExA("testfile.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
305 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
308 ok(GetLastError() == ERROR_FILE_INVALID ||
309 GetLastError() == ERROR_BAD_FORMAT, /* win9x */
310 "Expected ERROR_FILE_INVALID or ERROR_BAD_FORMAT, got %d\n",
314 DeleteFileA("testfile.dll");
316 GetSystemDirectoryA(path, MAX_PATH);
317 if (path[lstrlenA(path) - 1] != '\\')
318 lstrcatA(path, "\\");
319 lstrcatA(path, "kernel32.dll");
321 /* load kernel32.dll with an absolute path */
322 SetLastError(0xdeadbeef);
323 hmodule = LoadLibraryExA(path, NULL, LOAD_LIBRARY_AS_DATAFILE);
324 ok(hmodule != 0, "Expected valid module handle\n");
325 ok(GetLastError() == 0xdeadbeef ||
326 GetLastError() == ERROR_SUCCESS, /* win9x */
327 "Expected 0xdeadbeef or ERROR_SUCCESS, got %d\n", GetLastError());
329 /* try invalid file handle */
330 SetLastError(0xdeadbeef);
331 hmodule = LoadLibraryExA(path, (HANDLE)0xdeadbeef, 0);
332 if (!hmodule) /* succeeds on xp and older */
333 ok(GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError());
335 CloseHandle(hmodule);
337 /* load kernel32.dll with no path */
338 SetLastError(0xdeadbeef);
339 hmodule = LoadLibraryExA("kernel32.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
340 ok(hmodule != 0, "Expected valid module handle\n");
341 ok(GetLastError() == 0xdeadbeef ||
342 GetLastError() == ERROR_SUCCESS, /* win9x */
343 "Expected 0xdeadbeef or ERROR_SUCCESS, got %d\n", GetLastError());
345 CloseHandle(hmodule);
347 GetCurrentDirectoryA(MAX_PATH, path);
348 if (path[lstrlenA(path) - 1] != '\\')
349 lstrcatA(path, "\\");
350 lstrcatA(path, "kernel32.dll");
352 /* load kernel32.dll with an absolute path that does not exist */
353 SetLastError(0xdeadbeef);
354 hmodule = LoadLibraryExA(path, NULL, LOAD_LIBRARY_AS_DATAFILE);
357 ok(hmodule == 0, "Expected 0, got %p\n", hmodule);
359 ok(GetLastError() == ERROR_FILE_NOT_FOUND ||
360 broken(GetLastError() == ERROR_INVALID_HANDLE), /* nt4 */
361 "Expected ERROR_FILE_NOT_FOUND, got %d\n", GetLastError());
363 /* Free the loaded dll when its the first time this dll is loaded
364 in process - First time should pass, second fail */
365 SetLastError(0xdeadbeef);
366 hmodule = LoadLibraryExA("comctl32.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
367 ok(hmodule != 0, "Expected valid module handle\n");
369 SetLastError(0xdeadbeef);
370 ok(FreeLibrary(hmodule),
371 "Expected to be able to free the module, failed with %d\n",
373 SetLastError(0xdeadbeef);
374 ok(!FreeLibrary(hmodule),
375 "Unexpected ability to free the module, failed with %d\n",
378 CloseHandle(hmodule);
384 WCHAR filenameW[MAX_PATH];
386 /* Test if we can use GetModuleFileNameW */
388 SetLastError(0xdeadbeef);
389 GetModuleFileNameW(NULL, filenameW, MAX_PATH);
390 if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
392 win_skip("GetModuleFileNameW not existing on this platform, skipping W-calls\n");
393 is_unicode_enabled = FALSE;
396 testGetModuleFileName(NULL);
397 testGetModuleFileName("kernel32.dll");
398 testGetModuleFileName_Wrong();
401 testNestedLoadLibraryA();
402 testLoadLibraryA_Wrong();
403 testGetProcAddress_Wrong();