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, ~0UL - 7);
68 ok(msecond == NULL, "HeapReAlloc(0xfffffff8) should have failed\n");
69 msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~0UL);
70 ok(msecond == NULL, "HeapReAlloc(0xffffffff) should have failed\n");
71 HeapFree(GetProcessHeap(), 0, mem);
72 mem = HeapAlloc(GetProcessHeap(), 0, ~0UL);
73 ok(mem == NULL, "memory allocated for size ~0UL\n");
74
75 /* Global*() functions */
76 gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
77 ok(gbl != NULL, "global memory not allocated for size 0\n");
78
79 gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
80 ok(gbl != NULL, "Can't realloc global memory\n");
81 size = GlobalSize(gbl);
82 ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
83
84 gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
85 ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
86
87 size = GlobalSize(gbl);
88 ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
89 ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
90 size = GlobalSize(gbl);
91 ok(size == 0, "Memory should have been freed, size=%ld\n", size);
92
93 gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
94 ok(gbl == NULL, "global realloc allocated memory\n");
95
96 /* GlobalLock / GlobalUnlock with a valid handle */
97 gbl = GlobalAlloc(GMEM_MOVEABLE, 256);
98
99 SetLastError(MAGIC_DEAD);
100 mem = GlobalLock(gbl); /* #1 */
101 ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
102 SetLastError(MAGIC_DEAD);
103 flags = GlobalFlags(gbl);
104 ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
105 flags, GetLastError());
106
107 SetLastError(MAGIC_DEAD);
108 msecond = GlobalLock(gbl); /* #2 */
109 ok( msecond == mem, "returned %p with %d (expected '%p')\n",
110 msecond, GetLastError(), mem);
111 SetLastError(MAGIC_DEAD);
112 flags = GlobalFlags(gbl);
113 ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
114 flags, GetLastError());
115 SetLastError(MAGIC_DEAD);
116
117 SetLastError(MAGIC_DEAD);
118 res = GlobalUnlock(gbl); /* #1 */
119 ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
120 SetLastError(MAGIC_DEAD);
121 flags = GlobalFlags(gbl);
122 ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
123 flags, GetLastError());
124
125 SetLastError(MAGIC_DEAD);
126 res = GlobalUnlock(gbl); /* #0 */
127 /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
128 ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
129 "returned %d with %d (expected '' with: ERROR_SUCCESS or "
130 "MAGIC_DEAD)\n", res, GetLastError());
131 SetLastError(MAGIC_DEAD);
132 flags = GlobalFlags(gbl);
133 ok( !flags , "returned 0x%04x with %d (expected '')\n",
134 flags, GetLastError());
135
136 /* Unlock an already unlocked Handle */
137 SetLastError(MAGIC_DEAD);
138 res = GlobalUnlock(gbl);
139 /* NT: ERROR_NOT_LOCKED, 9x: untouched */
140 ok( !res &&
141 ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
142 "returned %d with %d (expected '' with: ERROR_NOT_LOCKED or "
143 "MAGIC_DEAD)\n", res, GetLastError());
144
145 GlobalFree(gbl);
146 /* invalid handles are caught in windows: */
147 SetLastError(MAGIC_DEAD);
148 hsecond = GlobalFree(gbl); /* invalid handle: free memory twice */
149 ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
150 "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
151 hsecond, GetLastError(), gbl);
152 SetLastError(MAGIC_DEAD);
153 flags = GlobalFlags(gbl);
154 ok( (flags == GMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
155 "returned 0x%04x with 0x%08x (expected GMEM_INVALID_HANDLE with "
156 "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
157 SetLastError(MAGIC_DEAD);
158 size = GlobalSize(gbl);
159 ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
160 "returned %ld with 0x%08x (expected '' with ERROR_INVALID_HANDLE)\n",
161 size, GetLastError());
162
163 SetLastError(MAGIC_DEAD);
164 mem = GlobalLock(gbl);
165 ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
166 "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
167 mem, GetLastError());
168
169 /* documented on MSDN: GlobalUnlock() return FALSE on failure.
170 Win9x and wine return FALSE with ERROR_INVALID_HANDLE, but on
171 NT 3.51 and XPsp2, TRUE with ERROR_INVALID_HANDLE is returned.
172 The similar Test for LocalUnlock() works on all Systems */
173 SetLastError(MAGIC_DEAD);
174 res = GlobalUnlock(gbl);
175 ok(GetLastError() == ERROR_INVALID_HANDLE,
176 "returned %d with %d (expected ERROR_INVALID_HANDLE)\n",
177 res, GetLastError());
178
179 gbl = GlobalAlloc(GMEM_DDESHARE, 100);
180
181 /* first free */
182 mem = GlobalFree(gbl);
183 ok(mem == NULL, "Expected NULL, got %p\n", mem);
184
185 /* invalid free */
186 SetLastError(MAGIC_DEAD);
187 mem = GlobalFree(gbl);
188 ok(mem == gbl, "Expected gbl, got %p\n", mem);
189 ok(GetLastError() == ERROR_INVALID_HANDLE,
190 "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
191
192 gbl = GlobalAlloc(GMEM_DDESHARE, 100);
193
194 res = GlobalUnlock(gbl);
195 ok(res == 1, "Expected 1, got %d\n", res);
196
197 res = GlobalUnlock(gbl);
198 ok(res == 1, "Expected 1, got %d\n", res);
199
200 /* GlobalSize on an invalid handle */
201 SetLastError(MAGIC_DEAD);
202 size = GlobalSize((HGLOBAL)0xc042);
203 ok(size == 0, "Expected 0, got %ld\n", size);
204 ok(GetLastError() == ERROR_INVALID_HANDLE,
205 "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
206
207 /* ####################################### */
208 /* Local*() functions */
209 gbl = LocalAlloc(LMEM_MOVEABLE, 0);
210 ok(gbl != NULL, "local memory not allocated for size 0\n");
211
212 gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
213 ok(gbl != NULL, "Can't realloc local memory\n");
214 size = LocalSize(gbl);
215 ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
216
217 gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
218 ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
219
220 size = LocalSize(gbl);
221 ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
222 ok(LocalFree(gbl) == NULL, "Memory not freed\n");
223 size = LocalSize(gbl);
224 ok(size == 0, "Memory should have been freed, size=%ld\n", size);
225
226 gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
227 ok(gbl == NULL, "local realloc allocated memory\n");
228
229 /* LocalLock / LocalUnlock with a valid handle */
230 gbl = LocalAlloc(LMEM_MOVEABLE, 256);
231 SetLastError(MAGIC_DEAD);
232 mem = LocalLock(gbl); /* #1 */
233 ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
234 SetLastError(MAGIC_DEAD);
235 flags = LocalFlags(gbl);
236 ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
237 flags, GetLastError());
238
239 SetLastError(MAGIC_DEAD);
240 msecond = LocalLock(gbl); /* #2 */
241 ok( msecond == mem, "returned %p with %d (expected '%p')\n",
242 msecond, GetLastError(), mem);
243 SetLastError(MAGIC_DEAD);
244 flags = LocalFlags(gbl);
245 ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
246 flags, GetLastError());
247 SetLastError(MAGIC_DEAD);
248
249 SetLastError(MAGIC_DEAD);
250 res = LocalUnlock(gbl); /* #1 */
251 ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
252 SetLastError(MAGIC_DEAD);
253 flags = LocalFlags(gbl);
254 ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
255 flags, GetLastError());
256
257 SetLastError(MAGIC_DEAD);
258 res = LocalUnlock(gbl); /* #0 */
259 /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
260 ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
261 "returned %d with %d (expected '' with: ERROR_SUCCESS or "
262 "MAGIC_DEAD)\n", res, GetLastError());
263 SetLastError(MAGIC_DEAD);
264 flags = LocalFlags(gbl);
265 ok( !flags , "returned 0x%04x with %d (expected '')\n",
266 flags, GetLastError());
267
268 /* Unlock an already unlocked Handle */
269 SetLastError(MAGIC_DEAD);
270 res = LocalUnlock(gbl);
271 /* NT: ERROR_NOT_LOCKED, 9x: untouched */
272 ok( !res &&
273 ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
274 "returned %d with %d (expected '' with: ERROR_NOT_LOCKED or "
275 "MAGIC_DEAD)\n", res, GetLastError());
276
277 LocalFree(gbl);
278 /* invalid handles are caught in windows: */
279 SetLastError(MAGIC_DEAD);
280 hsecond = LocalFree(gbl); /* invalid handle: free memory twice */
281 ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
282 "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
283 hsecond, GetLastError(), gbl);
284 SetLastError(MAGIC_DEAD);
285 flags = LocalFlags(gbl);
286 ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
287 "returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
288 "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
289 SetLastError(MAGIC_DEAD);
290 size = LocalSize(gbl);
291 ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
292 "returned %ld with 0x%08x (expected '' with ERROR_INVALID_HANDLE)\n",
293 size, GetLastError());
294
295 SetLastError(MAGIC_DEAD);
296 mem = LocalLock(gbl);
297 ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
298 "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
299 mem, GetLastError());
300
301 /* This Test works the same on all Systems (GlobalUnlock() is different) */
302 SetLastError(MAGIC_DEAD);
303 res = LocalUnlock(gbl);
304 ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
305 "returned %d with %d (expected '' with ERROR_INVALID_HANDLE)\n",
306 res, GetLastError());
307
308 /* trying to lock empty memory should give an error */
309 gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
310 ok(gbl != NULL, "returned NULL\n");
311 SetLastError(MAGIC_DEAD);
312 mem = GlobalLock(gbl);
313 /* NT: ERROR_DISCARDED, 9x: untouched */
314 ok( (mem == NULL) &&
315 ((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
316 "returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
317 "MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
318
319 GlobalFree(gbl);
320 }
321
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