1 /*
2 * Unit test suite for heap functions
3 *
4 * Copyright 2003 Dimitrie O. Paun
5 * Copyright 2006 Detlef Riekenberg
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include <stdarg.h>
23 #include <stdlib.h>
24
25 #include "windef.h"
26 #include "winbase.h"
27 #include "wine/test.h"
28
29 #define MAGIC_DEAD 0xdeadbeef
30
31 static SIZE_T resize_9x(SIZE_T size)
32 {
33 DWORD dwSizeAligned = (size + 3) & ~3;
34 return max(dwSizeAligned, 12); /* at least 12 bytes */
35 }
36
37 START_TEST(heap)
38 {
39 LPVOID mem;
40 LPVOID msecond;
41 DWORD res;
42 UINT flags;
43 HGLOBAL gbl;
44 HGLOBAL hsecond;
45 SIZE_T size;
46
47 /* Heap*() functions */
48 mem = HeapAlloc(GetProcessHeap(), 0, 0);
49 ok(mem != NULL, "memory not allocated for size 0\n");
50
51 mem = HeapReAlloc(GetProcessHeap(), 0, NULL, 10);
52 ok(mem == NULL, "memory allocated by HeapReAlloc\n");
53
54 for (size = 0; size <= 256; size++)
55 {
56 SIZE_T heap_size;
57 mem = HeapAlloc(GetProcessHeap(), 0, size);
58 heap_size = HeapSize(GetProcessHeap(), 0, mem);
59 ok(heap_size == size || heap_size == resize_9x(size),
60 "HeapSize returned %lu instead of %lu or %lu\n", heap_size, size, resize_9x(size));
61 HeapFree(GetProcessHeap(), 0, mem);
62 }
63
64 /* test some border cases of HeapAlloc and HeapReAlloc */
65 mem = HeapAlloc(GetProcessHeap(), 0, 0);
66 ok(mem != NULL, "memory not allocated for size 0\n");
67 msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~(SIZE_T)0 - 7);
68 ok(msecond == NULL, "HeapReAlloc(~0 - 7) should have failed\n");
69 msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~(SIZE_T)0);
70 ok(msecond == NULL, "HeapReAlloc(~0) should have failed\n");
71 HeapFree(GetProcessHeap(), 0, mem);
72 mem = HeapAlloc(GetProcessHeap(), 0, ~(SIZE_T)0);
73 ok(mem == NULL, "memory allocated for size ~0\n");
74
75 /* large blocks must be 16-byte aligned */
76 mem = HeapAlloc(GetProcessHeap(), 0, 512 * 1024);
77 ok( mem != NULL, "failed for size 512K\n" );
78 ok( (ULONG_PTR)mem % 16 == 0 || broken((ULONG_PTR)mem % 16) /* win9x */,
79 "512K block not 16-byte aligned\n" );
80 HeapFree(GetProcessHeap(), 0, mem);
81
82 /* Global*() functions */
83 gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
84 ok(gbl != NULL, "global memory not allocated for size 0\n");
85
86 gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
87 ok(gbl != NULL, "Can't realloc global memory\n");
88 size = GlobalSize(gbl);
89 ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
90
91 gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
92 ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
93
94 size = GlobalSize(gbl);
95 ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
96 ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
97 size = GlobalSize(gbl);
98 ok(size == 0, "Memory should have been freed, size=%ld\n", size);
99
100 gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
101 ok(gbl == NULL, "global realloc allocated memory\n");
102
103 /* GlobalLock / GlobalUnlock with a valid handle */
104 gbl = GlobalAlloc(GMEM_MOVEABLE, 256);
105
106 SetLastError(MAGIC_DEAD);
107 mem = GlobalLock(gbl); /* #1 */
108 ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
109 SetLastError(MAGIC_DEAD);
110 flags = GlobalFlags(gbl);
111 ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
112 flags, GetLastError());
113
114 SetLastError(MAGIC_DEAD);
115 msecond = GlobalLock(gbl); /* #2 */
116 ok( msecond == mem, "returned %p with %d (expected '%p')\n",
117 msecond, GetLastError(), mem);
118 SetLastError(MAGIC_DEAD);
119 flags = GlobalFlags(gbl);
120 ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
121 flags, GetLastError());
122 SetLastError(MAGIC_DEAD);
123
124 SetLastError(MAGIC_DEAD);
125 res = GlobalUnlock(gbl); /* #1 */
126 ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
127 SetLastError(MAGIC_DEAD);
128 flags = GlobalFlags(gbl);
129 ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
130 flags, GetLastError());
131
132 SetLastError(MAGIC_DEAD);
133 res = GlobalUnlock(gbl); /* #0 */
134 /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
135 ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
136 "returned %d with %d (expected '' with: ERROR_SUCCESS or "
137 "MAGIC_DEAD)\n", res, GetLastError());
138 SetLastError(MAGIC_DEAD);
139 flags = GlobalFlags(gbl);
140 ok( !flags , "returned 0x%04x with %d (expected '')\n",
141 flags, GetLastError());
142
143 /* Unlock an already unlocked Handle */
144 SetLastError(MAGIC_DEAD);
145 res = GlobalUnlock(gbl);
146 /* NT: ERROR_NOT_LOCKED, 9x: untouched */
147 ok( !res &&
148 ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
149 "returned %d with %d (expected '' with: ERROR_NOT_LOCKED or "
150 "MAGIC_DEAD)\n", res, GetLastError());
151
152 GlobalFree(gbl);
153 /* invalid handles are caught in windows: */
154 SetLastError(MAGIC_DEAD);
155 hsecond = GlobalFree(gbl); /* invalid handle: free memory twice */
156 ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
157 "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
158 hsecond, GetLastError(), gbl);
159 SetLastError(MAGIC_DEAD);
160 flags = GlobalFlags(gbl);
161 ok( (flags == GMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
162 "returned 0x%04x with 0x%08x (expected GMEM_INVALID_HANDLE with "
163 "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
164 SetLastError(MAGIC_DEAD);
165 size = GlobalSize(gbl);
166 ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
167 "returned %ld with 0x%08x (expected '' with ERROR_INVALID_HANDLE)\n",
168 size, GetLastError());
169
170 SetLastError(MAGIC_DEAD);
171 mem = GlobalLock(gbl);
172 ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
173 "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
174 mem, GetLastError());
175
176 /* documented on MSDN: GlobalUnlock() return FALSE on failure.
177 Win9x and wine return FALSE with ERROR_INVALID_HANDLE, but on
178 NT 3.51 and XPsp2, TRUE with ERROR_INVALID_HANDLE is returned.
179 The similar Test for LocalUnlock() works on all Systems */
180 SetLastError(MAGIC_DEAD);
181 res = GlobalUnlock(gbl);
182 ok(GetLastError() == ERROR_INVALID_HANDLE,
183 "returned %d with %d (expected ERROR_INVALID_HANDLE)\n",
184 res, GetLastError());
185
186 gbl = GlobalAlloc(GMEM_DDESHARE, 100);
187
188 /* first free */
189 mem = GlobalFree(gbl);
190 ok(mem == NULL, "Expected NULL, got %p\n", mem);
191
192 /* invalid free */
193 if (sizeof(void *) != 8) /* crashes on 64-bit Vista */
194 {
195 SetLastError(MAGIC_DEAD);
196 mem = GlobalFree(gbl);
197 ok(mem == gbl || broken(mem == NULL) /* nt4 */, "Expected gbl, got %p\n", mem);
198 if (mem == gbl)
199 ok(GetLastError() == ERROR_INVALID_HANDLE ||
200 GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
201 "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
202 }
203
204 gbl = GlobalAlloc(GMEM_DDESHARE, 100);
205
206 res = GlobalUnlock(gbl);
207 ok(res == 1 ||
208 res == 0, /* win9x */
209 "Expected 1 or 0, got %d\n", res);
210
211 res = GlobalUnlock(gbl);
212 ok(res == 1 ||
213 res == 0, /* win9x */
214 "Expected 1 or 0, got %d\n", res);
215
216 /* GlobalSize on an invalid handle */
217 if (sizeof(void *) != 8) /* crashes on 64-bit Vista */
218 {
219 SetLastError(MAGIC_DEAD);
220 size = GlobalSize((HGLOBAL)0xc042);
221 ok(size == 0, "Expected 0, got %ld\n", size);
222 ok(GetLastError() == ERROR_INVALID_HANDLE ||
223 GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
224 "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
225 }
226
227 /* ####################################### */
228 /* Local*() functions */
229 gbl = LocalAlloc(LMEM_MOVEABLE, 0);
230 ok(gbl != NULL, "local memory not allocated for size 0\n");
231
232 gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
233 ok(gbl != NULL, "Can't realloc local memory\n");
234 size = LocalSize(gbl);
235 ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
236
237 gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
238 ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
239
240 size = LocalSize(gbl);
241 ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
242 ok(LocalFree(gbl) == NULL, "Memory not freed\n");
243 size = LocalSize(gbl);
244 ok(size == 0, "Memory should have been freed, size=%ld\n", size);
245
246 gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
247 ok(gbl == NULL, "local realloc allocated memory\n");
248
249 /* LocalLock / LocalUnlock with a valid handle */
250 gbl = LocalAlloc(LMEM_MOVEABLE, 256);
251 SetLastError(MAGIC_DEAD);
252 mem = LocalLock(gbl); /* #1 */
253 ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
254 SetLastError(MAGIC_DEAD);
255 flags = LocalFlags(gbl);
256 ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
257 flags, GetLastError());
258
259 SetLastError(MAGIC_DEAD);
260 msecond = LocalLock(gbl); /* #2 */
261 ok( msecond == mem, "returned %p with %d (expected '%p')\n",
262 msecond, GetLastError(), mem);
263 SetLastError(MAGIC_DEAD);
264 flags = LocalFlags(gbl);
265 ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
266 flags, GetLastError());
267 SetLastError(MAGIC_DEAD);
268
269 SetLastError(MAGIC_DEAD);
270 res = LocalUnlock(gbl); /* #1 */
271 ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
272 SetLastError(MAGIC_DEAD);
273 flags = LocalFlags(gbl);
274 ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
275 flags, GetLastError());
276
277 SetLastError(MAGIC_DEAD);
278 res = LocalUnlock(gbl); /* #0 */
279 /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
280 ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
281 "returned %d with %d (expected '' with: ERROR_SUCCESS or "
282 "MAGIC_DEAD)\n", res, GetLastError());
283 SetLastError(MAGIC_DEAD);
284 flags = LocalFlags(gbl);
285 ok( !flags , "returned 0x%04x with %d (expected '')\n",
286 flags, GetLastError());
287
288 /* Unlock an already unlocked Handle */
289 SetLastError(MAGIC_DEAD);
290 res = LocalUnlock(gbl);
291 /* NT: ERROR_NOT_LOCKED, 9x: untouched */
292 ok( !res &&
293 ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
294 "returned %d with %d (expected '' with: ERROR_NOT_LOCKED or "
295 "MAGIC_DEAD)\n", res, GetLastError());
296
297 LocalFree(gbl);
298 /* invalid handles are caught in windows: */
299 SetLastError(MAGIC_DEAD);
300 hsecond = LocalFree(gbl); /* invalid handle: free memory twice */
301 ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
302 "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
303 hsecond, GetLastError(), gbl);
304 SetLastError(MAGIC_DEAD);
305 flags = LocalFlags(gbl);
306 ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
307 "returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
308 "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
309 SetLastError(MAGIC_DEAD);
310 size = LocalSize(gbl);
311 ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
312 "returned %ld with 0x%08x (expected '' with ERROR_INVALID_HANDLE)\n",
313 size, GetLastError());
314
315 SetLastError(MAGIC_DEAD);
316 mem = LocalLock(gbl);
317 ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
318 "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
319 mem, GetLastError());
320
321 /* This Test works the same on all Systems (GlobalUnlock() is different) */
322 SetLastError(MAGIC_DEAD);
323 res = LocalUnlock(gbl);
324 ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
325 "returned %d with %d (expected '' with ERROR_INVALID_HANDLE)\n",
326 res, GetLastError());
327
328 /* trying to lock empty memory should give an error */
329 gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
330 ok(gbl != NULL, "returned NULL\n");
331 SetLastError(MAGIC_DEAD);
332 mem = GlobalLock(gbl);
333 /* NT: ERROR_DISCARDED, 9x: untouched */
334 ok( (mem == NULL) &&
335 ((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
336 "returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
337 "MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
338
339 GlobalFree(gbl);
340 }
341
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