dlls/kernel32/tests/heap.c

   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 '0' 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 '0')\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 '0' 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 '0' 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
 180     /* ####################################### */
 181     /* Local*() functions */
 182     gbl = LocalAlloc(LMEM_MOVEABLE, 0);
 183     ok(gbl != NULL, "local memory not allocated for size 0\n");
 184
 185     gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
 186     ok(gbl != NULL, "Can't realloc local memory\n");
 187     size = LocalSize(gbl);
 188     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
 189
 190     gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
 191     ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
 192
 193     size = LocalSize(gbl);
 194     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
 195     ok(LocalFree(gbl) == NULL, "Memory not freed\n");
 196     size = LocalSize(gbl);
 197     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
 198
 199     gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
 200     ok(gbl == NULL, "local realloc allocated memory\n");
 201
 202     /* LocalLock / LocalUnlock with a valid handle */
 203     gbl = LocalAlloc(LMEM_MOVEABLE, 256);
 204     SetLastError(MAGIC_DEAD);
 205     mem = LocalLock(gbl);      /* #1 */
 206     ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
 207     SetLastError(MAGIC_DEAD);
 208     flags = LocalFlags(gbl);
 209     ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
 210         flags, GetLastError());
 211
 212     SetLastError(MAGIC_DEAD);
 213     msecond = LocalLock(gbl);   /* #2 */
 214     ok( msecond == mem, "returned %p with %d (expected '%p')\n",
 215         msecond, GetLastError(), mem);
 216     SetLastError(MAGIC_DEAD);
 217     flags = LocalFlags(gbl);
 218     ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
 219         flags, GetLastError());
 220     SetLastError(MAGIC_DEAD);
 221
 222     SetLastError(MAGIC_DEAD);
 223     res = LocalUnlock(gbl);    /* #1 */
 224     ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
 225     SetLastError(MAGIC_DEAD);
 226     flags = LocalFlags(gbl);
 227     ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
 228         flags, GetLastError());
 229
 230     SetLastError(MAGIC_DEAD);
 231     res = LocalUnlock(gbl);    /* #0 */
 232     /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
 233     ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
 234         "returned %d with %d (expected '0' with: ERROR_SUCCESS or "
 235         "MAGIC_DEAD)\n", res, GetLastError());
 236     SetLastError(MAGIC_DEAD);
 237     flags = LocalFlags(gbl);
 238     ok( !flags , "returned 0x%04x with %d (expected '0')\n",
 239         flags, GetLastError());
 240
 241     /* Unlock an already unlocked Handle */
 242     SetLastError(MAGIC_DEAD);
 243     res = LocalUnlock(gbl);
 244     /* NT: ERROR_NOT_LOCKED,  9x: untouched */
 245     ok( !res &&
 246         ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
 247         "returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
 248         "MAGIC_DEAD)\n", res, GetLastError());
 249
 250     LocalFree(gbl);
 251     /* invalid handles are caught in windows: */
 252     SetLastError(MAGIC_DEAD);
 253     hsecond = LocalFree(gbl);       /* invalid handle: free memory twice */
 254     ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
 255         "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
 256         hsecond, GetLastError(), gbl);
 257     SetLastError(MAGIC_DEAD);
 258     flags = LocalFlags(gbl);
 259     ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
 260         "returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
 261         "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
 262     SetLastError(MAGIC_DEAD);
 263     size = LocalSize(gbl);
 264     ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
 265         "returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
 266         size, GetLastError());
 267
 268     SetLastError(MAGIC_DEAD);
 269     mem = LocalLock(gbl);
 270     ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
 271         "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
 272         mem, GetLastError());
 273
 274     /* This Test works the same on all Systems (GlobalUnlock() is different) */
 275     SetLastError(MAGIC_DEAD);
 276     res = LocalUnlock(gbl);
 277     ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
 278         "returned %d with %d (expected '0' with ERROR_INVALID_HANDLE)\n",
 279         res, GetLastError());
 280
 281     /* trying to lock empty memory should give an error */
 282     gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
 283     ok(gbl != NULL, "returned NULL\n");
 284     SetLastError(MAGIC_DEAD);
 285     mem = GlobalLock(gbl);
 286     /* NT: ERROR_DISCARDED,  9x: untouched */
 287     ok( (mem == NULL) &&
 288         ((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
 289         "returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
 290         "MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
 291
 292     GlobalFree(gbl);
 293 }