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 BOOL (WINAPI *pHeapQueryInformation)(HANDLE, HEAP_INFORMATION_CLASS, PVOID, SIZE_T, PSIZE_T);
  32
  33 static SIZE_T resize_9x(SIZE_T size)
  34 {
  35     DWORD dwSizeAligned = (size + 3) & ~3;
  36     return max(dwSizeAligned, 12); /* at least 12 bytes */
  37 }
  38
  39 static void test_sized_HeapAlloc(int nbytes)
  40 {
  41     int success;
  42     char *buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbytes);
  43     ok(buf != NULL, "allocate failed\n");
  44     ok(buf[0] == 0, "buffer not zeroed\n");
  45     success = HeapFree(GetProcessHeap(), 0, buf);
  46     ok(success, "free failed\n");
  47 }
  48
  49 static void test_sized_HeapReAlloc(int nbytes1, int nbytes2)
  50 {
  51     int success;
  52     char *buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbytes1);
  53     ok(buf != NULL, "allocate failed\n");
  54     ok(buf[0] == 0, "buffer not zeroed\n");
  55     buf = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buf, nbytes2);
  56     ok(buf != NULL, "reallocate failed\n");
  57     ok(buf[nbytes2-1] == 0, "buffer not zeroed\n");
  58     success = HeapFree(GetProcessHeap(), 0, buf);
  59     ok(success, "free failed\n");
  60 }
  61
  62 static void test_heap(void)
  63 {
  64     LPVOID  mem;
  65     LPVOID  msecond;
  66     DWORD   res;
  67     UINT    flags;
  68     HGLOBAL gbl;
  69     HGLOBAL hsecond;
  70     SIZE_T  size;
  71
  72     /* Heap*() functions */
  73     mem = HeapAlloc(GetProcessHeap(), 0, 0);
  74     ok(mem != NULL, "memory not allocated for size 0\n");
  75
  76     mem = HeapReAlloc(GetProcessHeap(), 0, NULL, 10);
  77     ok(mem == NULL, "memory allocated by HeapReAlloc\n");
  78
  79     for (size = 0; size <= 256; size++)
  80     {
  81         SIZE_T heap_size;
  82         mem = HeapAlloc(GetProcessHeap(), 0, size);
  83         heap_size = HeapSize(GetProcessHeap(), 0, mem);
  84         ok(heap_size == size || heap_size == resize_9x(size),
  85             "HeapSize returned %lu instead of %lu or %lu\n", heap_size, size, resize_9x(size));
  86         HeapFree(GetProcessHeap(), 0, mem);
  87     }
  88
  89     /* test some border cases of HeapAlloc and HeapReAlloc */
  90     mem = HeapAlloc(GetProcessHeap(), 0, 0);
  91     ok(mem != NULL, "memory not allocated for size 0\n");
  92     msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~(SIZE_T)0 - 7);
  93     ok(msecond == NULL, "HeapReAlloc(~0 - 7) should have failed\n");
  94     msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~(SIZE_T)0);
  95     ok(msecond == NULL, "HeapReAlloc(~0) should have failed\n");
  96     HeapFree(GetProcessHeap(), 0, mem);
  97     mem = HeapAlloc(GetProcessHeap(), 0, ~(SIZE_T)0);
  98     ok(mem == NULL, "memory allocated for size ~0\n");
  99
 100     /* large blocks must be 16-byte aligned */
 101     mem = HeapAlloc(GetProcessHeap(), 0, 512 * 1024);
 102     ok( mem != NULL, "failed for size 512K\n" );
 103     ok( (ULONG_PTR)mem % 16 == 0 || broken((ULONG_PTR)mem % 16) /* win9x */,
 104         "512K block not 16-byte aligned\n" );
 105     HeapFree(GetProcessHeap(), 0, mem);
 106
 107     /* Global*() functions */
 108     gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
 109     ok(gbl != NULL, "global memory not allocated for size 0\n");
 110
 111     gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
 112     ok(gbl != NULL, "Can't realloc global memory\n");
 113     size = GlobalSize(gbl);
 114     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
 115
 116     gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
 117     ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
 118
 119     size = GlobalSize(gbl);
 120     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
 121     ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
 122     size = GlobalSize(gbl);
 123     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
 124
 125     gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
 126     ok(gbl == NULL, "global realloc allocated memory\n");
 127
 128     /* GlobalLock / GlobalUnlock with a valid handle */
 129     gbl = GlobalAlloc(GMEM_MOVEABLE, 256);
 130
 131     SetLastError(MAGIC_DEAD);
 132     mem = GlobalLock(gbl);      /* #1 */
 133     ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
 134     SetLastError(MAGIC_DEAD);
 135     flags = GlobalFlags(gbl);
 136     ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
 137         flags, GetLastError());
 138
 139     SetLastError(MAGIC_DEAD);
 140     msecond = GlobalLock(gbl);   /* #2 */
 141     ok( msecond == mem, "returned %p with %d (expected '%p')\n",
 142         msecond, GetLastError(), mem);
 143     SetLastError(MAGIC_DEAD);
 144     flags = GlobalFlags(gbl);
 145     ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
 146         flags, GetLastError());
 147     SetLastError(MAGIC_DEAD);
 148
 149     SetLastError(MAGIC_DEAD);
 150     res = GlobalUnlock(gbl);    /* #1 */
 151     ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
 152     SetLastError(MAGIC_DEAD);
 153     flags = GlobalFlags(gbl);
 154     ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
 155         flags, GetLastError());
 156
 157     SetLastError(MAGIC_DEAD);
 158     res = GlobalUnlock(gbl);    /* #0 */
 159     /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
 160     ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
 161         "returned %d with %d (expected '0' with: ERROR_SUCCESS or "
 162         "MAGIC_DEAD)\n", res, GetLastError());
 163     SetLastError(MAGIC_DEAD);
 164     flags = GlobalFlags(gbl);
 165     ok( !flags , "returned 0x%04x with %d (expected '0')\n",
 166         flags, GetLastError());
 167
 168     /* Unlock an already unlocked Handle */
 169     SetLastError(MAGIC_DEAD);
 170     res = GlobalUnlock(gbl);
 171     /* NT: ERROR_NOT_LOCKED,  9x: untouched */
 172     ok( !res &&
 173         ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
 174         "returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
 175         "MAGIC_DEAD)\n", res, GetLastError());
 176
 177     GlobalFree(gbl);
 178     /* invalid handles are caught in windows: */
 179     SetLastError(MAGIC_DEAD);
 180     hsecond = GlobalFree(gbl);      /* invalid handle: free memory twice */
 181     ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
 182         "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
 183         hsecond, GetLastError(), gbl);
 184     SetLastError(MAGIC_DEAD);
 185     flags = GlobalFlags(gbl);
 186     ok( (flags == GMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
 187         "returned 0x%04x with 0x%08x (expected GMEM_INVALID_HANDLE with "
 188         "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
 189     SetLastError(MAGIC_DEAD);
 190     size = GlobalSize(gbl);
 191     ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
 192         "returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
 193         size, GetLastError());
 194
 195     SetLastError(MAGIC_DEAD);
 196     mem = GlobalLock(gbl);
 197     ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
 198         "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
 199         mem, GetLastError());
 200
 201     /* documented on MSDN: GlobalUnlock() return FALSE on failure.
 202        Win9x and wine return FALSE with ERROR_INVALID_HANDLE, but on
 203        NT 3.51 and XPsp2, TRUE with ERROR_INVALID_HANDLE is returned.
 204        The similar Test for LocalUnlock() works on all Systems */
 205     SetLastError(MAGIC_DEAD);
 206     res = GlobalUnlock(gbl);
 207     ok(GetLastError() == ERROR_INVALID_HANDLE,
 208         "returned %d with %d (expected ERROR_INVALID_HANDLE)\n",
 209         res, GetLastError());
 210
 211     gbl = GlobalAlloc(GMEM_DDESHARE, 100);
 212
 213     /* first free */
 214     mem = GlobalFree(gbl);
 215     ok(mem == NULL, "Expected NULL, got %p\n", mem);
 216
 217     /* invalid free */
 218     if (sizeof(void *) != 8)  /* crashes on 64-bit Vista */
 219     {
 220         SetLastError(MAGIC_DEAD);
 221         mem = GlobalFree(gbl);
 222         ok(mem == gbl || broken(mem == NULL) /* nt4 */, "Expected gbl, got %p\n", mem);
 223         if (mem == gbl)
 224             ok(GetLastError() == ERROR_INVALID_HANDLE ||
 225                GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
 226                "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 227     }
 228
 229     gbl = GlobalAlloc(GMEM_DDESHARE, 100);
 230
 231     res = GlobalUnlock(gbl);
 232     ok(res == 1 ||
 233        res == 0, /* win9x */
 234        "Expected 1 or 0, got %d\n", res);
 235
 236     res = GlobalUnlock(gbl);
 237     ok(res == 1 ||
 238        res == 0, /* win9x */
 239        "Expected 1 or 0, got %d\n", res);
 240
 241     /* GlobalSize on an invalid handle */
 242     if (sizeof(void *) != 8)  /* crashes on 64-bit Vista */
 243     {
 244         SetLastError(MAGIC_DEAD);
 245         size = GlobalSize((HGLOBAL)0xc042);
 246         ok(size == 0, "Expected 0, got %ld\n", size);
 247         ok(GetLastError() == ERROR_INVALID_HANDLE ||
 248            GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
 249            "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 250     }
 251
 252     /* ####################################### */
 253     /* Local*() functions */
 254     gbl = LocalAlloc(LMEM_MOVEABLE, 0);
 255     ok(gbl != NULL, "local memory not allocated for size 0\n");
 256
 257     gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
 258     ok(gbl != NULL, "Can't realloc local memory\n");
 259     size = LocalSize(gbl);
 260     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
 261
 262     gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
 263     ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
 264
 265     size = LocalSize(gbl);
 266     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
 267     ok(LocalFree(gbl) == NULL, "Memory not freed\n");
 268     size = LocalSize(gbl);
 269     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
 270
 271     gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
 272     ok(gbl == NULL, "local realloc allocated memory\n");
 273
 274     /* LocalLock / LocalUnlock with a valid handle */
 275     gbl = LocalAlloc(LMEM_MOVEABLE, 256);
 276     SetLastError(MAGIC_DEAD);
 277     mem = LocalLock(gbl);      /* #1 */
 278     ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
 279     SetLastError(MAGIC_DEAD);
 280     flags = LocalFlags(gbl);
 281     ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
 282         flags, GetLastError());
 283
 284     SetLastError(MAGIC_DEAD);
 285     msecond = LocalLock(gbl);   /* #2 */
 286     ok( msecond == mem, "returned %p with %d (expected '%p')\n",
 287         msecond, GetLastError(), mem);
 288     SetLastError(MAGIC_DEAD);
 289     flags = LocalFlags(gbl);
 290     ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
 291         flags, GetLastError());
 292     SetLastError(MAGIC_DEAD);
 293
 294     SetLastError(MAGIC_DEAD);
 295     res = LocalUnlock(gbl);    /* #1 */
 296     ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
 297     SetLastError(MAGIC_DEAD);
 298     flags = LocalFlags(gbl);
 299     ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
 300         flags, GetLastError());
 301
 302     SetLastError(MAGIC_DEAD);
 303     res = LocalUnlock(gbl);    /* #0 */
 304     /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
 305     ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
 306         "returned %d with %d (expected '0' with: ERROR_SUCCESS or "
 307         "MAGIC_DEAD)\n", res, GetLastError());
 308     SetLastError(MAGIC_DEAD);
 309     flags = LocalFlags(gbl);
 310     ok( !flags , "returned 0x%04x with %d (expected '0')\n",
 311         flags, GetLastError());
 312
 313     /* Unlock an already unlocked Handle */
 314     SetLastError(MAGIC_DEAD);
 315     res = LocalUnlock(gbl);
 316     /* NT: ERROR_NOT_LOCKED,  9x: untouched */
 317     ok( !res &&
 318         ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
 319         "returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
 320         "MAGIC_DEAD)\n", res, GetLastError());
 321
 322     LocalFree(gbl);
 323     /* invalid handles are caught in windows: */
 324     SetLastError(MAGIC_DEAD);
 325     hsecond = LocalFree(gbl);       /* invalid handle: free memory twice */
 326     ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
 327         "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
 328         hsecond, GetLastError(), gbl);
 329     SetLastError(MAGIC_DEAD);
 330     flags = LocalFlags(gbl);
 331     ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
 332         "returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
 333         "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
 334     SetLastError(MAGIC_DEAD);
 335     size = LocalSize(gbl);
 336     ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
 337         "returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
 338         size, GetLastError());
 339
 340     SetLastError(MAGIC_DEAD);
 341     mem = LocalLock(gbl);
 342     ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
 343         "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
 344         mem, GetLastError());
 345
 346     /* This Test works the same on all Systems (GlobalUnlock() is different) */
 347     SetLastError(MAGIC_DEAD);
 348     res = LocalUnlock(gbl);
 349     ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
 350         "returned %d with %d (expected '0' with ERROR_INVALID_HANDLE)\n",
 351         res, GetLastError());
 352
 353     /* trying to lock empty memory should give an error */
 354     gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
 355     ok(gbl != NULL, "returned NULL\n");
 356     SetLastError(MAGIC_DEAD);
 357     mem = GlobalLock(gbl);
 358     /* NT: ERROR_DISCARDED,  9x: untouched */
 359     ok( (mem == NULL) &&
 360         ((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
 361         "returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
 362         "MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
 363
 364     GlobalFree(gbl);
 365 }
 366
 367 static void test_obsolete_flags(void)
 368 {
 369     static struct {
 370         UINT flags;
 371         UINT globalflags;
 372     } test_global_flags[] = {
 373         {GMEM_FIXED | GMEM_NOTIFY, 0},
 374         {GMEM_FIXED | GMEM_DISCARDABLE, 0},
 375         {GMEM_MOVEABLE | GMEM_NOTIFY, 0},
 376         {GMEM_MOVEABLE | GMEM_DDESHARE, GMEM_DDESHARE},
 377         {GMEM_MOVEABLE | GMEM_NOT_BANKED, 0},
 378         {GMEM_MOVEABLE | GMEM_NODISCARD, 0},
 379         {GMEM_MOVEABLE | GMEM_DISCARDABLE, GMEM_DISCARDABLE},
 380         {GMEM_MOVEABLE | GMEM_DDESHARE | GMEM_DISCARDABLE | GMEM_LOWER | GMEM_NOCOMPACT | GMEM_NODISCARD |
 381          GMEM_NOT_BANKED | GMEM_NOTIFY, GMEM_DDESHARE | GMEM_DISCARDABLE},
 382     };
 383
 384     unsigned int i;
 385     HGLOBAL gbl;
 386     UINT resultflags;
 387
 388     UINT (WINAPI *pGlobalFlags)(HGLOBAL);
 389
 390     pGlobalFlags = (void *) GetProcAddress(GetModuleHandleA("kernel32"), "GlobalFlags");
 391
 392     if (!pGlobalFlags)
 393     {
 394         win_skip("GlobalFlags is not available\n");
 395         return;
 396     }
 397
 398     for (i = 0; i < sizeof(test_global_flags)/sizeof(test_global_flags[0]); i++)
 399     {
 400         gbl = GlobalAlloc(test_global_flags[i].flags, 4);
 401         ok(gbl != NULL, "GlobalAlloc failed\n");
 402
 403         SetLastError(MAGIC_DEAD);
 404         resultflags = pGlobalFlags(gbl);
 405
 406         ok( resultflags == test_global_flags[i].globalflags ||
 407             broken(resultflags == (test_global_flags[i].globalflags & ~GMEM_DDESHARE)), /* win9x */
 408             "%u: expected 0x%08x, but returned 0x%08x with %d\n",
 409             i, test_global_flags[i].globalflags, resultflags, GetLastError() );
 410
 411         GlobalFree(gbl);
 412     }
 413 }
 414
 415 static void test_HeapQueryInformation(void)
 416 {
 417     ULONG info;
 418     SIZE_T size;
 419     BOOL ret;
 420
 421     pHeapQueryInformation = (void *)GetProcAddress(GetModuleHandle("kernel32.dll"), "HeapQueryInformation");
 422     if (!pHeapQueryInformation)
 423     {
 424         win_skip("HeapQueryInformation is not available\n");
 425         return;
 426     }
 427
 428     if (0) /* crashes under XP */
 429     {
 430         size = 0;
 431         ret = pHeapQueryInformation(0,
 432                                 HeapCompatibilityInformation,
 433                                 &info, sizeof(info), &size);
 434         size = 0;
 435         ret = pHeapQueryInformation(GetProcessHeap(),
 436                                 HeapCompatibilityInformation,
 437                                 NULL, sizeof(info), &size);
 438     }
 439
 440     size = 0;
 441     SetLastError(0xdeadbeef);
 442     ret = pHeapQueryInformation(GetProcessHeap(),
 443                                 HeapCompatibilityInformation,
 444                                 NULL, 0, &size);
 445     ok(!ret, "HeapQueryInformation should fail\n");
 446     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
 447        "expected ERROR_INSUFFICIENT_BUFFER got %u\n", GetLastError());
 448     ok(size == sizeof(ULONG), "expected 4, got %lu\n", size);
 449
 450     SetLastError(0xdeadbeef);
 451     ret = pHeapQueryInformation(GetProcessHeap(),
 452                                 HeapCompatibilityInformation,
 453                                 NULL, 0, NULL);
 454     ok(!ret, "HeapQueryInformation should fail\n");
 455     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
 456        "expected ERROR_INSUFFICIENT_BUFFER got %u\n", GetLastError());
 457
 458     info = 0xdeadbeaf;
 459     SetLastError(0xdeadbeef);
 460     ret = pHeapQueryInformation(GetProcessHeap(),
 461                                 HeapCompatibilityInformation,
 462                                 &info, sizeof(info) + 1, NULL);
 463     ok(ret, "HeapQueryInformation error %u\n", GetLastError());
 464     ok(info == 0 || info == 1 || info == 2, "expected 0, 1 or 2, got %u\n", info);
 465 }
 466
 467 START_TEST(heap)
 468 {
 469     test_heap();
 470     test_obsolete_flags();
 471
 472     /* Test both short and very long blocks */
 473     test_sized_HeapAlloc(1);
 474     test_sized_HeapAlloc(1 << 20);
 475     test_sized_HeapReAlloc(1, 100);
 476     test_sized_HeapReAlloc(1, (1 << 20));
 477     test_sized_HeapReAlloc((1 << 20), (2 << 20));
 478     test_sized_HeapReAlloc((1 << 20), 1);
 479     test_HeapQueryInformation();
 480 }