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     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        GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
 191        "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 192
 193     gbl = GlobalAlloc(GMEM_DDESHARE, 100);
 194
 195     res = GlobalUnlock(gbl);
 196     ok(res == 1 ||
 197        res == 0, /* win9x */
 198        "Expected 1 or 0, got %d\n", res);
 199
 200     res = GlobalUnlock(gbl);
 201     ok(res == 1 ||
 202        res == 0, /* win9x */
 203        "Expected 1 or 0, got %d\n", res);
 204
 205     /* GlobalSize on an invalid handle */
 206     SetLastError(MAGIC_DEAD);
 207     size = GlobalSize((HGLOBAL)0xc042);
 208     ok(size == 0, "Expected 0, got %ld\n", size);
 209     ok(GetLastError() == ERROR_INVALID_HANDLE ||
 210        GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
 211        "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 212
 213     /* ####################################### */
 214     /* Local*() functions */
 215     gbl = LocalAlloc(LMEM_MOVEABLE, 0);
 216     ok(gbl != NULL, "local memory not allocated for size 0\n");
 217
 218     gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
 219     ok(gbl != NULL, "Can't realloc local memory\n");
 220     size = LocalSize(gbl);
 221     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
 222
 223     gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
 224     ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
 225
 226     size = LocalSize(gbl);
 227     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
 228     ok(LocalFree(gbl) == NULL, "Memory not freed\n");
 229     size = LocalSize(gbl);
 230     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
 231
 232     gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
 233     ok(gbl == NULL, "local realloc allocated memory\n");
 234
 235     /* LocalLock / LocalUnlock with a valid handle */
 236     gbl = LocalAlloc(LMEM_MOVEABLE, 256);
 237     SetLastError(MAGIC_DEAD);
 238     mem = LocalLock(gbl);      /* #1 */
 239     ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
 240     SetLastError(MAGIC_DEAD);
 241     flags = LocalFlags(gbl);
 242     ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
 243         flags, GetLastError());
 244
 245     SetLastError(MAGIC_DEAD);
 246     msecond = LocalLock(gbl);   /* #2 */
 247     ok( msecond == mem, "returned %p with %d (expected '%p')\n",
 248         msecond, GetLastError(), mem);
 249     SetLastError(MAGIC_DEAD);
 250     flags = LocalFlags(gbl);
 251     ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
 252         flags, GetLastError());
 253     SetLastError(MAGIC_DEAD);
 254
 255     SetLastError(MAGIC_DEAD);
 256     res = LocalUnlock(gbl);    /* #1 */
 257     ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
 258     SetLastError(MAGIC_DEAD);
 259     flags = LocalFlags(gbl);
 260     ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
 261         flags, GetLastError());
 262
 263     SetLastError(MAGIC_DEAD);
 264     res = LocalUnlock(gbl);    /* #0 */
 265     /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
 266     ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
 267         "returned %d with %d (expected '0' with: ERROR_SUCCESS or "
 268         "MAGIC_DEAD)\n", res, GetLastError());
 269     SetLastError(MAGIC_DEAD);
 270     flags = LocalFlags(gbl);
 271     ok( !flags , "returned 0x%04x with %d (expected '0')\n",
 272         flags, GetLastError());
 273
 274     /* Unlock an already unlocked Handle */
 275     SetLastError(MAGIC_DEAD);
 276     res = LocalUnlock(gbl);
 277     /* NT: ERROR_NOT_LOCKED,  9x: untouched */
 278     ok( !res &&
 279         ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
 280         "returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
 281         "MAGIC_DEAD)\n", res, GetLastError());
 282
 283     LocalFree(gbl);
 284     /* invalid handles are caught in windows: */
 285     SetLastError(MAGIC_DEAD);
 286     hsecond = LocalFree(gbl);       /* invalid handle: free memory twice */
 287     ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
 288         "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
 289         hsecond, GetLastError(), gbl);
 290     SetLastError(MAGIC_DEAD);
 291     flags = LocalFlags(gbl);
 292     ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
 293         "returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
 294         "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
 295     SetLastError(MAGIC_DEAD);
 296     size = LocalSize(gbl);
 297     ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
 298         "returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
 299         size, GetLastError());
 300
 301     SetLastError(MAGIC_DEAD);
 302     mem = LocalLock(gbl);
 303     ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
 304         "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
 305         mem, GetLastError());
 306
 307     /* This Test works the same on all Systems (GlobalUnlock() is different) */
 308     SetLastError(MAGIC_DEAD);
 309     res = LocalUnlock(gbl);
 310     ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
 311         "returned %d with %d (expected '0' with ERROR_INVALID_HANDLE)\n",
 312         res, GetLastError());
 313
 314     /* trying to lock empty memory should give an error */
 315     gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
 316     ok(gbl != NULL, "returned NULL\n");
 317     SetLastError(MAGIC_DEAD);
 318     mem = GlobalLock(gbl);
 319     /* NT: ERROR_DISCARDED,  9x: untouched */
 320     ok( (mem == NULL) &&
 321         ((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
 322         "returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
 323         "MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
 324
 325     GlobalFree(gbl);
 326 }