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Sweden-Number/dlls/kernel32/tests/heap.c

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/*
* Unit test suite for heap functions
*
* Copyright 2003 Dimitrie O. Paun
* Copyright 2006 Detlef Riekenberg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wine/test.h"
#define MAGIC_DEAD 0xdeadbeef
static SIZE_T resize_9x(SIZE_T size)
{
DWORD dwSizeAligned = (size + 3) & ~3;
return max(dwSizeAligned, 12); /* at least 12 bytes */
}
START_TEST(heap)
{
LPVOID mem;
LPVOID msecond;
DWORD res;
UINT flags;
HGLOBAL gbl;
HGLOBAL hsecond;
SIZE_T size;
/* Heap*() functions */
mem = HeapAlloc(GetProcessHeap(), 0, 0);
ok(mem != NULL, "memory not allocated for size 0\n");
mem = HeapReAlloc(GetProcessHeap(), 0, NULL, 10);
ok(mem == NULL, "memory allocated by HeapReAlloc\n");
for (size = 0; size <= 256; size++)
{
SIZE_T heap_size;
mem = HeapAlloc(GetProcessHeap(), 0, size);
heap_size = HeapSize(GetProcessHeap(), 0, mem);
ok(heap_size == size || heap_size == resize_9x(size),
"HeapSize returned %lu instead of %lu or %lu\n", heap_size, size, resize_9x(size));
HeapFree(GetProcessHeap(), 0, mem);
}
/* Global*() functions */
gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
ok(gbl != NULL, "global memory not allocated for size 0\n");
gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
ok(gbl != NULL, "Can't realloc global memory\n");
size = GlobalSize(gbl);
ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
size = GlobalSize(gbl);
ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
size = GlobalSize(gbl);
ok(size == 0, "Memory should have been freed, size=%ld\n", size);
gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
ok(gbl == NULL, "global realloc allocated memory\n");
/* GlobalLock / GlobalUnlock with a valid handle */
gbl = GlobalAlloc(GMEM_MOVEABLE, 256);
SetLastError(MAGIC_DEAD);
mem = GlobalLock(gbl); /* #1 */
ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
SetLastError(MAGIC_DEAD);
flags = GlobalFlags(gbl);
ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
flags, GetLastError());
SetLastError(MAGIC_DEAD);
msecond = GlobalLock(gbl); /* #2 */
ok( msecond == mem, "returned %p with %d (expected '%p')\n",
msecond, GetLastError(), mem);
SetLastError(MAGIC_DEAD);
flags = GlobalFlags(gbl);
ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
flags, GetLastError());
SetLastError(MAGIC_DEAD);
SetLastError(MAGIC_DEAD);
res = GlobalUnlock(gbl); /* #1 */
ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
SetLastError(MAGIC_DEAD);
flags = GlobalFlags(gbl);
ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
flags, GetLastError());
SetLastError(MAGIC_DEAD);
res = GlobalUnlock(gbl); /* #0 */
/* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
"returned %d with %d (expected '0' with: ERROR_SUCCESS or "
"MAGIC_DEAD)\n", res, GetLastError());
SetLastError(MAGIC_DEAD);
flags = GlobalFlags(gbl);
ok( !flags , "returned 0x%04x with %d (expected '0')\n",
flags, GetLastError());
/* Unlock an already unlocked Handle */
SetLastError(MAGIC_DEAD);
res = GlobalUnlock(gbl);
/* NT: ERROR_NOT_LOCKED, 9x: untouched */
ok( !res &&
((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
"returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
"MAGIC_DEAD)\n", res, GetLastError());
GlobalFree(gbl);
/* invalid handles are caught in windows: */
SetLastError(MAGIC_DEAD);
hsecond = GlobalFree(gbl); /* invalid handle: free memory twice */
ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
hsecond, GetLastError(), gbl);
SetLastError(MAGIC_DEAD);
flags = GlobalFlags(gbl);
ok( (flags == GMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned 0x%04x with 0x%08x (expected GMEM_INVALID_HANDLE with "
"ERROR_INVALID_HANDLE)\n", flags, GetLastError());
SetLastError(MAGIC_DEAD);
size = GlobalSize(gbl);
ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
size, GetLastError());
SetLastError(MAGIC_DEAD);
mem = GlobalLock(gbl);
ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
mem, GetLastError());
/* documented on MSDN: GlobalUnlock() return FALSE on failure.
Win9x and wine return FALSE with ERROR_INVALID_HANDLE, but on
NT 3.51 and XPsp2, TRUE with ERROR_INVALID_HANDLE is returned.
The similar Test for LocalUnlock() works on all Systems */
SetLastError(MAGIC_DEAD);
res = GlobalUnlock(gbl);
ok(GetLastError() == ERROR_INVALID_HANDLE,
"returned %d with %d (expected ERROR_INVALID_HANDLE)\n",
res, GetLastError());
/* ####################################### */
/* Local*() functions */
gbl = LocalAlloc(LMEM_MOVEABLE, 0);
ok(gbl != NULL, "local memory not allocated for size 0\n");
gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
ok(gbl != NULL, "Can't realloc local memory\n");
size = LocalSize(gbl);
ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
size = LocalSize(gbl);
ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
ok(LocalFree(gbl) == NULL, "Memory not freed\n");
size = LocalSize(gbl);
ok(size == 0, "Memory should have been freed, size=%ld\n", size);
gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
ok(gbl == NULL, "local realloc allocated memory\n");
/* LocalLock / LocalUnlock with a valid handle */
gbl = LocalAlloc(LMEM_MOVEABLE, 256);
SetLastError(MAGIC_DEAD);
mem = LocalLock(gbl); /* #1 */
ok(mem != NULL, "returned %p with %d (expected '!= NULL')\n", mem, GetLastError());
SetLastError(MAGIC_DEAD);
flags = LocalFlags(gbl);
ok( flags == 1, "returned 0x%04x with %d (expected '0x0001')\n",
flags, GetLastError());
SetLastError(MAGIC_DEAD);
msecond = LocalLock(gbl); /* #2 */
ok( msecond == mem, "returned %p with %d (expected '%p')\n",
msecond, GetLastError(), mem);
SetLastError(MAGIC_DEAD);
flags = LocalFlags(gbl);
ok( flags == 2, "returned 0x%04x with %d (expected '0x0002')\n",
flags, GetLastError());
SetLastError(MAGIC_DEAD);
SetLastError(MAGIC_DEAD);
res = LocalUnlock(gbl); /* #1 */
ok(res, "returned %d with %d (expected '!= 0')\n", res, GetLastError());
SetLastError(MAGIC_DEAD);
flags = LocalFlags(gbl);
ok( flags , "returned 0x%04x with %d (expected '!= 0')\n",
flags, GetLastError());
SetLastError(MAGIC_DEAD);
res = LocalUnlock(gbl); /* #0 */
/* NT: ERROR_SUCCESS (documented on MSDN), 9x: untouched */
ok(!res && ((GetLastError() == ERROR_SUCCESS) || (GetLastError() == MAGIC_DEAD)),
"returned %d with %d (expected '0' with: ERROR_SUCCESS or "
"MAGIC_DEAD)\n", res, GetLastError());
SetLastError(MAGIC_DEAD);
flags = LocalFlags(gbl);
ok( !flags , "returned 0x%04x with %d (expected '0')\n",
flags, GetLastError());
/* Unlock an already unlocked Handle */
SetLastError(MAGIC_DEAD);
res = LocalUnlock(gbl);
/* NT: ERROR_NOT_LOCKED, 9x: untouched */
ok( !res &&
((GetLastError() == ERROR_NOT_LOCKED) || (GetLastError() == MAGIC_DEAD)),
"returned %d with %d (expected '0' with: ERROR_NOT_LOCKED or "
"MAGIC_DEAD)\n", res, GetLastError());
LocalFree(gbl);
/* invalid handles are caught in windows: */
SetLastError(MAGIC_DEAD);
hsecond = LocalFree(gbl); /* invalid handle: free memory twice */
ok( (hsecond == gbl) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %p with 0x%08x (expected %p with ERROR_INVALID_HANDLE)\n",
hsecond, GetLastError(), gbl);
SetLastError(MAGIC_DEAD);
flags = LocalFlags(gbl);
ok( (flags == LMEM_INVALID_HANDLE) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned 0x%04x with 0x%08x (expected LMEM_INVALID_HANDLE with "
"ERROR_INVALID_HANDLE)\n", flags, GetLastError());
SetLastError(MAGIC_DEAD);
size = LocalSize(gbl);
ok( (size == 0) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %ld with 0x%08x (expected '0' with ERROR_INVALID_HANDLE)\n",
size, GetLastError());
SetLastError(MAGIC_DEAD);
mem = LocalLock(gbl);
ok( (mem == NULL) && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %p with 0x%08x (expected NULL with ERROR_INVALID_HANDLE)\n",
mem, GetLastError());
/* This Test works the same on all Systems (GlobalUnlock() is different) */
SetLastError(MAGIC_DEAD);
res = LocalUnlock(gbl);
ok(!res && (GetLastError() == ERROR_INVALID_HANDLE),
"returned %d with %d (expected '0' with ERROR_INVALID_HANDLE)\n",
res, GetLastError());
/* trying to lock empty memory should give an error */
gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
ok(gbl != NULL, "returned NULL\n");
SetLastError(MAGIC_DEAD);
mem = GlobalLock(gbl);
/* NT: ERROR_DISCARDED, 9x: untouched */
ok( (mem == NULL) &&
((GetLastError() == ERROR_DISCARDED) || (GetLastError() == MAGIC_DEAD)),
"returned %p with 0x%x/%d (expected 'NULL' with: ERROR_DISCARDED or "
"MAGIC_DEAD)\n", mem, GetLastError(), GetLastError());
GlobalFree(gbl);
}
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