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 #include <stdio.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winternl.h"
  30 #include "wine/test.h"
  31
  32 #define MAGIC_DEAD 0xdeadbeef
  33
  34 /* some undocumented flags (names are made up) */
  35 #define HEAP_PAGE_ALLOCS      0x01000000
  36 #define HEAP_VALIDATE         0x10000000
  37 #define HEAP_VALIDATE_ALL     0x20000000
  38 #define HEAP_VALIDATE_PARAMS  0x40000000
  39
  40 static BOOL (WINAPI *pHeapQueryInformation)(HANDLE, HEAP_INFORMATION_CLASS, PVOID, SIZE_T, PSIZE_T);
  41 static ULONG (WINAPI *pRtlGetNtGlobalFlags)(void);
  42
  43 struct heap_layout
  44 {
  45     DWORD_PTR unknown[2];
  46     DWORD pattern;
  47     DWORD flags;
  48     DWORD force_flags;
  49 };
  50
  51 static SIZE_T resize_9x(SIZE_T size)
  52 {
  53     DWORD dwSizeAligned = (size + 3) & ~3;
  54     return max(dwSizeAligned, 12); /* at least 12 bytes */
  55 }
  56
  57 static void test_sized_HeapAlloc(int nbytes)
  58 {
  59     int success;
  60     char *buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbytes);
  61     ok(buf != NULL, "allocate failed\n");
  62     ok(buf[0] == 0, "buffer not zeroed\n");
  63     success = HeapFree(GetProcessHeap(), 0, buf);
  64     ok(success, "free failed\n");
  65 }
  66
  67 static void test_sized_HeapReAlloc(int nbytes1, int nbytes2)
  68 {
  69     int success;
  70     char *buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbytes1);
  71     ok(buf != NULL, "allocate failed\n");
  72     ok(buf[0] == 0, "buffer not zeroed\n");
  73     buf = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buf, nbytes2);
  74     ok(buf != NULL, "reallocate failed\n");
  75     ok(buf[nbytes2-1] == 0, "buffer not zeroed\n");
  76     success = HeapFree(GetProcessHeap(), 0, buf);
  77     ok(success, "free failed\n");
  78 }
  79
  80 static void test_heap(void)
  81 {
  82     LPVOID  mem;
  83     LPVOID  msecond;
  84     DWORD   res;
  85     UINT    flags;
  86     HGLOBAL gbl;
  87     HGLOBAL hsecond;
  88     SIZE_T  size;
  89
  90     /* Heap*() functions */
  91     mem = HeapAlloc(GetProcessHeap(), 0, 0);
  92     ok(mem != NULL, "memory not allocated for size 0\n");
  93     HeapFree(GetProcessHeap(), 0, mem);
  94
  95     mem = HeapReAlloc(GetProcessHeap(), 0, NULL, 10);
  96     ok(mem == NULL, "memory allocated by HeapReAlloc\n");
  97
  98     for (size = 0; size <= 256; size++)
  99     {
 100         SIZE_T heap_size;
 101         mem = HeapAlloc(GetProcessHeap(), 0, size);
 102         heap_size = HeapSize(GetProcessHeap(), 0, mem);
 103         ok(heap_size == size || heap_size == resize_9x(size),
 104             "HeapSize returned %lu instead of %lu or %lu\n", heap_size, size, resize_9x(size));
 105         HeapFree(GetProcessHeap(), 0, mem);
 106     }
 107
 108     /* test some border cases of HeapAlloc and HeapReAlloc */
 109     mem = HeapAlloc(GetProcessHeap(), 0, 0);
 110     ok(mem != NULL, "memory not allocated for size 0\n");
 111     msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~(SIZE_T)0 - 7);
 112     ok(msecond == NULL, "HeapReAlloc(~0 - 7) should have failed\n");
 113     msecond = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, ~(SIZE_T)0);
 114     ok(msecond == NULL, "HeapReAlloc(~0) should have failed\n");
 115     HeapFree(GetProcessHeap(), 0, mem);
 116     mem = HeapAlloc(GetProcessHeap(), 0, ~(SIZE_T)0);
 117     ok(mem == NULL, "memory allocated for size ~0\n");
 118
 119     /* large blocks must be 16-byte aligned */
 120     mem = HeapAlloc(GetProcessHeap(), 0, 512 * 1024);
 121     ok( mem != NULL, "failed for size 512K\n" );
 122     ok( (ULONG_PTR)mem % 16 == 0 || broken((ULONG_PTR)mem % 16) /* win9x */,
 123         "512K block not 16-byte aligned\n" );
 124     HeapFree(GetProcessHeap(), 0, mem);
 125
 126     /* Global*() functions */
 127     gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
 128     ok(gbl != NULL, "global memory not allocated for size 0\n");
 129
 130     gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
 131     ok(gbl != NULL, "Can't realloc global memory\n");
 132     size = GlobalSize(gbl);
 133     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
 134
 135     gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
 136     ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
 137
 138     size = GlobalSize(gbl);
 139     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
 140     ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
 141     size = GlobalSize(gbl);
 142     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
 143
 144     gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
 145     ok(gbl == NULL, "global realloc allocated memory\n");
 146
 147     /* GlobalLock / GlobalUnlock with a valid handle */
 148     gbl = GlobalAlloc(GMEM_MOVEABLE, 256);
 149
 150     SetLastError(MAGIC_DEAD);
 151     mem = GlobalLock(gbl);      /* #1 */
 152     ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
 153     SetLastError(MAGIC_DEAD);
 154     flags = GlobalFlags(gbl);
 155     ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
 156         flags, GetLastError());
 157
 158     SetLastError(MAGIC_DEAD);
 159     msecond = GlobalLock(gbl);   /* #2 */
 160     ok( msecond == mem, "returned %p with %d (expected '%p')\n",
 161         msecond, GetLastError(), mem);
 162     SetLastError(MAGIC_DEAD);
 163     flags = GlobalFlags(gbl);
 164     ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
 165         flags, GetLastError());
 166     SetLastError(MAGIC_DEAD);
 167
 168     SetLastError(MAGIC_DEAD);
 169     res = GlobalUnlock(gbl);    /* #1 */
 170     ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
 171     SetLastError(MAGIC_DEAD);
 172     flags = GlobalFlags(gbl);
 173     ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
 174         flags, GetLastError());
 175
 176     SetLastError(MAGIC_DEAD);
 177     res = GlobalUnlock(gbl);    /* #0 */
 178     /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
 179     ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
 180         "returned %d with %d (expected '0' with: ERROR_SUCCESS or "
 181         "MAGIC_DEAD)\n", res, GetLastError());
 182     SetLastError(MAGIC_DEAD);
 183     flags = GlobalFlags(gbl);
 184     ok( !flags , "returned 0x%04x with %d (expected '0')\n",
 185         flags, GetLastError());
 186
 187     /* Unlock an already unlocked Handle */
 188     SetLastError(MAGIC_DEAD);
 189     res = GlobalUnlock(gbl);
 190     /* NT: ERROR_NOT_LOCKED,  9x: untouched */
 191     ok( !res &&
 192         ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
 193         "returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
 194         "MAGIC_DEAD)\n", res, GetLastError());
 195
 196     GlobalFree(gbl);
 197     /* invalid handles are caught in windows: */
 198     SetLastError(MAGIC_DEAD);
 199     hsecond = GlobalFree(gbl);      /* invalid handle: free memory twice */
 200     ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
 201         "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
 202         hsecond, GetLastError(), gbl);
 203     SetLastError(MAGIC_DEAD);
 204     flags = GlobalFlags(gbl);
 205     ok( (flags == GMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
 206         "returned 0x%04x with 0x%08x (expected GMEM_INVALID_HANDLE with "
 207         "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
 208     SetLastError(MAGIC_DEAD);
 209     size = GlobalSize(gbl);
 210     ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
 211         "returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
 212         size, GetLastError());
 213
 214     SetLastError(MAGIC_DEAD);
 215     mem = GlobalLock(gbl);
 216     ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
 217         "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
 218         mem, GetLastError());
 219
 220     /* documented on MSDN: GlobalUnlock() return FALSE on failure.
 221        Win9x and wine return FALSE with ERROR_INVALID_HANDLE, but on
 222        NT 3.51 and XPsp2, TRUE with ERROR_INVALID_HANDLE is returned.
 223        The similar Test for LocalUnlock() works on all Systems */
 224     SetLastError(MAGIC_DEAD);
 225     res = GlobalUnlock(gbl);
 226     ok(GetLastError() == ERROR_INVALID_HANDLE,
 227         "returned %d with %d (expected ERROR_INVALID_HANDLE)\n",
 228         res, GetLastError());
 229
 230     gbl = GlobalAlloc(GMEM_DDESHARE, 100);
 231
 232     /* first free */
 233     mem = GlobalFree(gbl);
 234     ok(mem == NULL, "Expected NULL, got %p\n", mem);
 235
 236     /* invalid free */
 237     if (sizeof(void *) != 8)  /* crashes on 64-bit Vista */
 238     {
 239         SetLastError(MAGIC_DEAD);
 240         mem = GlobalFree(gbl);
 241         ok(mem == gbl || broken(mem == NULL) /* nt4 */, "Expected gbl, got %p\n", mem);
 242         if (mem == gbl)
 243             ok(GetLastError() == ERROR_INVALID_HANDLE ||
 244                GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
 245                "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 246     }
 247
 248     gbl = GlobalAlloc(GMEM_DDESHARE, 100);
 249
 250     res = GlobalUnlock(gbl);
 251     ok(res == 1 ||
 252        res == 0, /* win9x */
 253        "Expected 1 or 0, got %d\n", res);
 254
 255     res = GlobalUnlock(gbl);
 256     ok(res == 1 ||
 257        res == 0, /* win9x */
 258        "Expected 1 or 0, got %d\n", res);
 259
 260     /* GlobalSize on an invalid handle */
 261     if (sizeof(void *) != 8)  /* crashes on 64-bit Vista */
 262     {
 263         SetLastError(MAGIC_DEAD);
 264         size = GlobalSize((HGLOBAL)0xc042);
 265         ok(size == 0, "Expected 0, got %ld\n", size);
 266         ok(GetLastError() == ERROR_INVALID_HANDLE ||
 267            GetLastError() == ERROR_INVALID_PARAMETER, /* win9x */
 268            "Expected ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 269     }
 270
 271     GlobalFree(gbl);
 272
 273     /* ####################################### */
 274     /* Local*() functions */
 275     gbl = LocalAlloc(LMEM_MOVEABLE, 0);
 276     ok(gbl != NULL, "local memory not allocated for size 0\n");
 277
 278     gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
 279     ok(gbl != NULL, "Can't realloc local memory\n");
 280     size = LocalSize(gbl);
 281     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
 282
 283     gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
 284     ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
 285
 286     size = LocalSize(gbl);
 287     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
 288     ok(LocalFree(gbl) == NULL, "Memory not freed\n");
 289     size = LocalSize(gbl);
 290     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
 291
 292     gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
 293     ok(gbl == NULL, "local realloc allocated memory\n");
 294
 295     /* LocalLock / LocalUnlock with a valid handle */
 296     gbl = LocalAlloc(LMEM_MOVEABLE, 256);
 297     SetLastError(MAGIC_DEAD);
 298     mem = LocalLock(gbl);      /* #1 */
 299     ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
 300     SetLastError(MAGIC_DEAD);
 301     flags = LocalFlags(gbl);
 302     ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
 303         flags, GetLastError());
 304
 305     SetLastError(MAGIC_DEAD);
 306     msecond = LocalLock(gbl);   /* #2 */
 307     ok( msecond == mem, "returned %p with %d (expected '%p')\n",
 308         msecond, GetLastError(), mem);
 309     SetLastError(MAGIC_DEAD);
 310     flags = LocalFlags(gbl);
 311     ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
 312         flags, GetLastError());
 313     SetLastError(MAGIC_DEAD);
 314
 315     SetLastError(MAGIC_DEAD);
 316     res = LocalUnlock(gbl);    /* #1 */
 317     ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
 318     SetLastError(MAGIC_DEAD);
 319     flags = LocalFlags(gbl);
 320     ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
 321         flags, GetLastError());
 322
 323     SetLastError(MAGIC_DEAD);
 324     res = LocalUnlock(gbl);    /* #0 */
 325     /* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
 326     ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
 327         "returned %d with %d (expected '0' with: ERROR_SUCCESS or "
 328         "MAGIC_DEAD)\n", res, GetLastError());
 329     SetLastError(MAGIC_DEAD);
 330     flags = LocalFlags(gbl);
 331     ok( !flags , "returned 0x%04x with %d (expected '0')\n",
 332         flags, GetLastError());
 333
 334     /* Unlock an already unlocked Handle */
 335     SetLastError(MAGIC_DEAD);
 336     res = LocalUnlock(gbl);
 337     /* NT: ERROR_NOT_LOCKED,  9x: untouched */
 338     ok( !res &&
 339         ((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
 340         "returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
 341         "MAGIC_DEAD)\n", res, GetLastError());
 342
 343     LocalFree(gbl);
 344     /* invalid handles are caught in windows: */
 345     SetLastError(MAGIC_DEAD);
 346     hsecond = LocalFree(gbl);       /* invalid handle: free memory twice */
 347     ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
 348         "returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
 349         hsecond, GetLastError(), gbl);
 350     SetLastError(MAGIC_DEAD);
 351     flags = LocalFlags(gbl);
 352     ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
 353         "returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
 354         "ERROR_INVALID_HANDLE)\n", flags, GetLastError());
 355     SetLastError(MAGIC_DEAD);
 356     size = LocalSize(gbl);
 357     ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
 358         "returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
 359         size, GetLastError());
 360
 361     SetLastError(MAGIC_DEAD);
 362     mem = LocalLock(gbl);
 363     ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
 364         "returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
 365         mem, GetLastError());
 366
 367     /* This Test works the same on all Systems (GlobalUnlock() is different) */
 368     SetLastError(MAGIC_DEAD);
 369     res = LocalUnlock(gbl);
 370     ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
 371         "returned %d with %d (expected '0' with ERROR_INVALID_HANDLE)\n",
 372         res, GetLastError());
 373
 374     /* trying to lock empty memory should give an error */
 375     gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
 376     ok(gbl != NULL, "returned NULL\n");
 377     SetLastError(MAGIC_DEAD);
 378     mem = GlobalLock(gbl);
 379     /* NT: ERROR_DISCARDED,  9x: untouched */
 380     ok( (mem == NULL) &&
 381         ((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
 382         "returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
 383         "MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
 384
 385     GlobalFree(gbl);
 386 }
 387
 388 static void test_obsolete_flags(void)
 389 {
 390     static struct {
 391         UINT flags;
 392         UINT globalflags;
 393     } test_global_flags[] = {
 394         {GMEM_FIXED | GMEM_NOTIFY, 0},
 395         {GMEM_FIXED | GMEM_DISCARDABLE, 0},
 396         {GMEM_MOVEABLE | GMEM_NOTIFY, 0},
 397         {GMEM_MOVEABLE | GMEM_DDESHARE, GMEM_DDESHARE},
 398         {GMEM_MOVEABLE | GMEM_NOT_BANKED, 0},
 399         {GMEM_MOVEABLE | GMEM_NODISCARD, 0},
 400         {GMEM_MOVEABLE | GMEM_DISCARDABLE, GMEM_DISCARDABLE},
 401         {GMEM_MOVEABLE | GMEM_DDESHARE | GMEM_DISCARDABLE | GMEM_LOWER | GMEM_NOCOMPACT | GMEM_NODISCARD |
 402          GMEM_NOT_BANKED | GMEM_NOTIFY, GMEM_DDESHARE | GMEM_DISCARDABLE},
 403     };
 404
 405     unsigned int i;
 406     HGLOBAL gbl;
 407     UINT resultflags;
 408
 409     UINT (WINAPI *pGlobalFlags)(HGLOBAL);
 410
 411     pGlobalFlags = (void *) GetProcAddress(GetModuleHandleA("kernel32"), "GlobalFlags");
 412
 413     if (!pGlobalFlags)
 414     {
 415         win_skip("GlobalFlags is not available\n");
 416         return;
 417     }
 418
 419     for (i = 0; i < sizeof(test_global_flags)/sizeof(test_global_flags[0]); i++)
 420     {
 421         gbl = GlobalAlloc(test_global_flags[i].flags, 4);
 422         ok(gbl != NULL, "GlobalAlloc failed\n");
 423
 424         SetLastError(MAGIC_DEAD);
 425         resultflags = pGlobalFlags(gbl);
 426
 427         ok( resultflags == test_global_flags[i].globalflags ||
 428             broken(resultflags == (test_global_flags[i].globalflags & ~GMEM_DDESHARE)), /* win9x */
 429             "%u: expected 0x%08x, but returned 0x%08x with %d\n",
 430             i, test_global_flags[i].globalflags, resultflags, GetLastError() );
 431
 432         GlobalFree(gbl);
 433     }
 434 }
 435
 436 static void test_HeapQueryInformation(void)
 437 {
 438     ULONG info;
 439     SIZE_T size;
 440     BOOL ret;
 441
 442     pHeapQueryInformation = (void *)GetProcAddress(GetModuleHandle("kernel32.dll"), "HeapQueryInformation");
 443     if (!pHeapQueryInformation)
 444     {
 445         win_skip("HeapQueryInformation is not available\n");
 446         return;
 447     }
 448
 449     if (0) /* crashes under XP */
 450     {
 451         size = 0;
 452         ret = pHeapQueryInformation(0,
 453                                 HeapCompatibilityInformation,
 454                                 &info, sizeof(info), &size);
 455         size = 0;
 456         ret = pHeapQueryInformation(GetProcessHeap(),
 457                                 HeapCompatibilityInformation,
 458                                 NULL, sizeof(info), &size);
 459     }
 460
 461     size = 0;
 462     SetLastError(0xdeadbeef);
 463     ret = pHeapQueryInformation(GetProcessHeap(),
 464                                 HeapCompatibilityInformation,
 465                                 NULL, 0, &size);
 466     ok(!ret, "HeapQueryInformation should fail\n");
 467     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
 468        "expected ERROR_INSUFFICIENT_BUFFER got %u\n", GetLastError());
 469     ok(size == sizeof(ULONG), "expected 4, got %lu\n", size);
 470
 471     SetLastError(0xdeadbeef);
 472     ret = pHeapQueryInformation(GetProcessHeap(),
 473                                 HeapCompatibilityInformation,
 474                                 NULL, 0, NULL);
 475     ok(!ret, "HeapQueryInformation should fail\n");
 476     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
 477        "expected ERROR_INSUFFICIENT_BUFFER got %u\n", GetLastError());
 478
 479     info = 0xdeadbeaf;
 480     SetLastError(0xdeadbeef);
 481     ret = pHeapQueryInformation(GetProcessHeap(),
 482                                 HeapCompatibilityInformation,
 483                                 &info, sizeof(info) + 1, NULL);
 484     ok(ret, "HeapQueryInformation error %u\n", GetLastError());
 485     ok(info == 0 || info == 1 || info == 2, "expected 0, 1 or 2, got %u\n", info);
 486 }
 487
 488 static void test_heap_checks( DWORD flags )
 489 {
 490     BYTE old, *p, *p2;
 491     BOOL ret;
 492     SIZE_T i, size, large_size = 3000 * 1024 + 37;
 493
 494     if (flags & HEAP_PAGE_ALLOCS) return;  /* no tests for that case yet */
 495     trace( "testing heap flags %08x\n", flags );
 496
 497     p = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 17 );
 498     ok( p != NULL, "HeapAlloc failed\n" );
 499
 500     ret = HeapValidate( GetProcessHeap(), 0, p );
 501     ok( ret, "HeapValidate failed\n" );
 502
 503     size = HeapSize( GetProcessHeap(), 0, p );
 504     ok( size == 17, "Wrong size %lu\n", size );
 505
 506     ok( p[14] == 0, "wrong data %x\n", p[14] );
 507     ok( p[15] == 0, "wrong data %x\n", p[15] );
 508     ok( p[16] == 0, "wrong data %x\n", p[16] );
 509
 510     if (flags & HEAP_TAIL_CHECKING_ENABLED)
 511     {
 512         ok( p[17] == 0xab, "wrong padding %x\n", p[17] );
 513         ok( p[18] == 0xab, "wrong padding %x\n", p[18] );
 514         ok( p[19] == 0xab, "wrong padding %x\n", p[19] );
 515     }
 516
 517     p2 = HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, p, 14 );
 518     if (p2 == p)
 519     {
 520         if (flags & HEAP_TAIL_CHECKING_ENABLED)
 521         {
 522             ok( p[14] == 0xab, "wrong padding %x\n", p[14] );
 523             ok( p[15] == 0xab, "wrong padding %x\n", p[15] );
 524             ok( p[16] == 0xab, "wrong padding %x\n", p[16] );
 525         }
 526         else
 527         {
 528             ok( p[14] == 0, "wrong padding %x\n", p[14] );
 529             ok( p[15] == 0, "wrong padding %x\n", p[15] );
 530         }
 531     }
 532     else skip( "realloc in place failed\n");
 533
 534     ret = HeapFree( GetProcessHeap(), 0, p );
 535     ok( ret, "HeapFree failed\n" );
 536
 537     p = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 17 );
 538     ok( p != NULL, "HeapAlloc failed\n" );
 539     old = p[17];
 540     p[17] = 0xcc;
 541
 542     if (flags & HEAP_TAIL_CHECKING_ENABLED)
 543     {
 544         ret = HeapValidate( GetProcessHeap(), 0, p );
 545         ok( !ret, "HeapValidate succeeded\n" );
 546
 547         /* other calls only check when HEAP_VALIDATE is set */
 548         if (flags & HEAP_VALIDATE)
 549         {
 550             size = HeapSize( GetProcessHeap(), 0, p );
 551             ok( size == ~(SIZE_T)0 || broken(size == ~0u), "Wrong size %lu\n", size );
 552
 553             p2 = HeapReAlloc( GetProcessHeap(), 0, p, 14 );
 554             ok( p2 == NULL, "HeapReAlloc succeeded\n" );
 555
 556             ret = HeapFree( GetProcessHeap(), 0, p );
 557             ok( !ret || broken(sizeof(void*) == 8), /* not caught on xp64 */
 558                 "HeapFree succeeded\n" );
 559         }
 560
 561         p[17] = old;
 562         size = HeapSize( GetProcessHeap(), 0, p );
 563         ok( size == 17, "Wrong size %lu\n", size );
 564
 565         p2 = HeapReAlloc( GetProcessHeap(), 0, p, 14 );
 566         ok( p2 != NULL, "HeapReAlloc failed\n" );
 567         p = p2;
 568     }
 569
 570     ret = HeapFree( GetProcessHeap(), 0, p );
 571     ok( ret, "HeapFree failed\n" );
 572
 573     p = HeapAlloc( GetProcessHeap(), 0, 37 );
 574     ok( p != NULL, "HeapAlloc failed\n" );
 575     memset( p, 0xcc, 37 );
 576
 577     ret = HeapFree( GetProcessHeap(), 0, p );
 578     ok( ret, "HeapFree failed\n" );
 579
 580     if (flags & HEAP_FREE_CHECKING_ENABLED)
 581     {
 582         ok( p[16] == 0xee, "wrong data %x\n", p[16] );
 583         ok( p[17] == 0xfe, "wrong data %x\n", p[17] );
 584         ok( p[18] == 0xee, "wrong data %x\n", p[18] );
 585         ok( p[19] == 0xfe, "wrong data %x\n", p[19] );
 586
 587         ret = HeapValidate( GetProcessHeap(), 0, NULL );
 588         ok( ret, "HeapValidate failed\n" );
 589
 590         old = p[16];
 591         p[16] = 0xcc;
 592         ret = HeapValidate( GetProcessHeap(), 0, NULL );
 593         ok( !ret, "HeapValidate succeeded\n" );
 594
 595         p[16] = old;
 596         ret = HeapValidate( GetProcessHeap(), 0, NULL );
 597         ok( ret, "HeapValidate failed\n" );
 598     }
 599
 600     /* now test large blocks */
 601
 602     p = HeapAlloc( GetProcessHeap(), 0, large_size );
 603     ok( p != NULL, "HeapAlloc failed\n" );
 604
 605     ret = HeapValidate( GetProcessHeap(), 0, p );
 606     ok( ret, "HeapValidate failed\n" );
 607
 608     size = HeapSize( GetProcessHeap(), 0, p );
 609     ok( size == large_size, "Wrong size %lu\n", size );
 610
 611     ok( p[large_size - 2] == 0, "wrong data %x\n", p[large_size - 2] );
 612     ok( p[large_size - 1] == 0, "wrong data %x\n", p[large_size - 1] );
 613
 614     if (flags & HEAP_TAIL_CHECKING_ENABLED)
 615     {
 616         /* Windows doesn't do tail checking on large blocks */
 617         ok( p[large_size] == 0xab || broken(p[large_size] == 0), "wrong data %x\n", p[large_size] );
 618         ok( p[large_size+1] == 0xab || broken(p[large_size+1] == 0), "wrong data %x\n", p[large_size+1] );
 619         ok( p[large_size+2] == 0xab || broken(p[large_size+2] == 0), "wrong data %x\n", p[large_size+2] );
 620         if (p[large_size] == 0xab)
 621         {
 622             p[large_size] = 0xcc;
 623             ret = HeapValidate( GetProcessHeap(), 0, p );
 624             ok( !ret, "HeapValidate succeeded\n" );
 625
 626             /* other calls only check when HEAP_VALIDATE is set */
 627             if (flags & HEAP_VALIDATE)
 628             {
 629                 size = HeapSize( GetProcessHeap(), 0, p );
 630                 ok( size == ~(SIZE_T)0, "Wrong size %lu\n", size );
 631
 632                 p2 = HeapReAlloc( GetProcessHeap(), 0, p, large_size - 3 );
 633                 ok( p2 == NULL, "HeapReAlloc succeeded\n" );
 634
 635                 ret = HeapFree( GetProcessHeap(), 0, p );
 636                 ok( !ret, "HeapFree succeeded\n" );
 637             }
 638             p[large_size] = 0xab;
 639         }
 640     }
 641
 642     ret = HeapFree( GetProcessHeap(), 0, p );
 643     ok( ret, "HeapFree failed\n" );
 644
 645     /* test block sizes when tail checking */
 646     if (flags & HEAP_TAIL_CHECKING_ENABLED)
 647     {
 648         for (size = 0; size < 64; size++)
 649         {
 650             p = HeapAlloc( GetProcessHeap(), 0, size );
 651             for (i = 0; i < 32; i++) if (p[size + i] != 0xab) break;
 652             ok( i >= 8, "only %lu tail bytes for size %lu\n", i, size );
 653             HeapFree( GetProcessHeap(), 0, p );
 654         }
 655     }
 656 }
 657
 658 static void test_debug_heap( const char *argv0, DWORD flags )
 659 {
 660     char keyname[MAX_PATH];
 661     char buffer[MAX_PATH];
 662     PROCESS_INFORMATION info;
 663     STARTUPINFOA startup;
 664     BOOL ret;
 665     DWORD err;
 666     HKEY hkey;
 667     const char *basename;
 668
 669     if ((basename = strrchr( argv0, '\\' ))) basename++;
 670     else basename = argv0;
 671
 672     sprintf( keyname, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\%s",
 673              basename );
 674     if (!strcmp( keyname + strlen(keyname) - 3, ".so" )) keyname[strlen(keyname) - 3] = 0;
 675
 676     err = RegCreateKeyA( HKEY_LOCAL_MACHINE, keyname, &hkey );
 677     ok( !err, "failed to create '%s' error %u\n", keyname, err );
 678     if (err) return;
 679
 680     if (flags == 0xdeadbeef)  /* magic value for unsetting it */
 681         RegDeleteValueA( hkey, "GlobalFlag" );
 682     else
 683         RegSetValueExA( hkey, "GlobalFlag", 0, REG_DWORD, (BYTE *)&flags, sizeof(flags) );
 684
 685     memset( &startup, 0, sizeof(startup) );
 686     startup.cb = sizeof(startup);
 687
 688     sprintf( buffer, "%s heap.c 0x%x", argv0, flags );
 689     ret = CreateProcessA( NULL, buffer, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info );
 690     ok( ret, "failed to create child process error %u\n", GetLastError() );
 691     if (ret)
 692     {
 693         winetest_wait_child_process( info.hProcess );
 694         CloseHandle( info.hThread );
 695         CloseHandle( info.hProcess );
 696     }
 697     RegDeleteValueA( hkey, "GlobalFlag" );
 698     RegCloseKey( hkey );
 699     RegDeleteKeyA( HKEY_LOCAL_MACHINE, keyname );
 700 }
 701
 702 static DWORD heap_flags_from_global_flag( DWORD flag )
 703 {
 704     DWORD ret = 0;
 705
 706     if (flag & FLG_HEAP_ENABLE_TAIL_CHECK)
 707         ret |= HEAP_TAIL_CHECKING_ENABLED;
 708     if (flag & FLG_HEAP_ENABLE_FREE_CHECK)
 709         ret |= HEAP_FREE_CHECKING_ENABLED;
 710     if (flag & FLG_HEAP_VALIDATE_PARAMETERS)
 711         ret |= HEAP_VALIDATE_PARAMS | HEAP_VALIDATE | HEAP_TAIL_CHECKING_ENABLED | HEAP_FREE_CHECKING_ENABLED;
 712     if (flag & FLG_HEAP_VALIDATE_ALL)
 713         ret |= HEAP_VALIDATE_ALL | HEAP_VALIDATE | HEAP_TAIL_CHECKING_ENABLED | HEAP_FREE_CHECKING_ENABLED;
 714     if (flag & FLG_HEAP_DISABLE_COALESCING)
 715         ret |= HEAP_DISABLE_COALESCE_ON_FREE;
 716     if (flag & FLG_HEAP_PAGE_ALLOCS)
 717         ret |= HEAP_PAGE_ALLOCS | HEAP_GROWABLE;
 718     return ret;
 719 }
 720
 721 static void test_child_heap( const char *arg )
 722 {
 723     struct heap_layout *heap = GetProcessHeap();
 724     DWORD expected = strtoul( arg, 0, 16 );
 725     DWORD expect_heap;
 726
 727     if (expected == 0xdeadbeef)  /* expected value comes from Session Manager global flags */
 728     {
 729         HKEY hkey;
 730         expected = 0;
 731         if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Control\\Session Manager", &hkey ))
 732         {
 733             char buffer[32];
 734             DWORD type, size = sizeof(buffer);
 735
 736             if (!RegQueryValueExA( hkey, "GlobalFlag", 0, &type, (BYTE *)buffer, &size ))
 737             {
 738                 if (type == REG_DWORD) expected = *(DWORD *)buffer;
 739                 else if (type == REG_SZ) expected = strtoul( buffer, 0, 16 );
 740             }
 741             RegCloseKey( hkey );
 742         }
 743     }
 744     if (expected && !pRtlGetNtGlobalFlags())  /* not working on NT4 */
 745     {
 746         win_skip( "global flags not set\n" );
 747         return;
 748     }
 749
 750     ok( pRtlGetNtGlobalFlags() == expected,
 751         "%s: got global flags %08x expected %08x\n", arg, pRtlGetNtGlobalFlags(), expected );
 752
 753     expect_heap = heap_flags_from_global_flag( expected );
 754
 755     if (!(heap->flags & HEAP_GROWABLE) || heap->pattern == 0xffeeffee)  /* vista layout */
 756     {
 757         ok( heap->flags == 0, "%s: got heap flags %08x expected 0\n", arg, heap->flags );
 758     }
 759     else if (heap->pattern == 0xeeeeeeee && heap->flags == 0xeeeeeeee)
 760     {
 761         ok( expected & FLG_HEAP_PAGE_ALLOCS, "%s: got heap flags 0xeeeeeeee without page alloc\n", arg );
 762     }
 763     else
 764     {
 765         ok( heap->flags == (expect_heap | HEAP_GROWABLE),
 766             "%s: got heap flags %08x expected %08x\n", arg, heap->flags, expect_heap );
 767         ok( heap->force_flags == (expect_heap & ~0x18000080),
 768             "%s: got heap force flags %08x expected %08x\n", arg, heap->force_flags, expect_heap );
 769         expect_heap = heap->flags;
 770     }
 771
 772     test_heap_checks( expect_heap );
 773 }
 774
 775 START_TEST(heap)
 776 {
 777     int argc;
 778     char **argv;
 779
 780     pRtlGetNtGlobalFlags = (void *)GetProcAddress( GetModuleHandleA("ntdll.dll"), "RtlGetNtGlobalFlags" );
 781
 782     argc = winetest_get_mainargs( &argv );
 783     if (argc >= 3)
 784     {
 785         test_child_heap( argv[2] );
 786         return;
 787     }
 788
 789     test_heap();
 790     test_obsolete_flags();
 791
 792     /* Test both short and very long blocks */
 793     test_sized_HeapAlloc(1);
 794     test_sized_HeapAlloc(1 << 20);
 795     test_sized_HeapReAlloc(1, 100);
 796     test_sized_HeapReAlloc(1, (1 << 20));
 797     test_sized_HeapReAlloc((1 << 20), (2 << 20));
 798     test_sized_HeapReAlloc((1 << 20), 1);
 799     test_HeapQueryInformation();
 800
 801     if (pRtlGetNtGlobalFlags)
 802     {
 803         test_debug_heap( argv[0], 0 );
 804         test_debug_heap( argv[0], FLG_HEAP_ENABLE_TAIL_CHECK );
 805         test_debug_heap( argv[0], FLG_HEAP_ENABLE_FREE_CHECK );
 806         test_debug_heap( argv[0], FLG_HEAP_VALIDATE_PARAMETERS );
 807         test_debug_heap( argv[0], FLG_HEAP_VALIDATE_ALL );
 808         test_debug_heap( argv[0], FLG_POOL_ENABLE_TAGGING );
 809         test_debug_heap( argv[0], FLG_HEAP_ENABLE_TAGGING );
 810         test_debug_heap( argv[0], FLG_HEAP_ENABLE_TAG_BY_DLL );
 811         test_debug_heap( argv[0], FLG_HEAP_DISABLE_COALESCING );
 812         test_debug_heap( argv[0], FLG_HEAP_PAGE_ALLOCS );
 813         test_debug_heap( argv[0], 0xdeadbeef );
 814     }
 815     else win_skip( "RtlGetNtGlobalFlags not found, skipping heap debug tests\n" );
 816 }