rostests/winetests/kernel32/heap.c

   1 /*
   2  * Unit test suite for heap functions
   3  *
   4  * Copyright 2003 Dimitrie O. Paun
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdlib.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/test.h"
  27
  28 static SIZE_T resize_9x(SIZE_T size)
  29 {
  30     DWORD dwSizeAligned = (size + 3) & ~3;
  31     return max(dwSizeAligned, 12); /* at least 12 bytes */
  32 }
  33
  34 START_TEST(heap)
  35 {
  36     void *mem;
  37     HGLOBAL gbl;
  38     SIZE_T size;
  39
  40     /* Heap*() functions */
  41     mem = HeapAlloc(GetProcessHeap(), 0, 0);
  42     ok(mem != NULL, "memory not allocated for size 0\n");
  43
  44     mem = HeapReAlloc(GetProcessHeap(), 0, NULL, 10);
  45     ok(mem == NULL, "memory allocated by HeapReAlloc\n");
  46
  47     for (size = 0; size <= 256; size++)
  48     {
  49         SIZE_T heap_size;
  50         mem = HeapAlloc(GetProcessHeap(), 0, size);
  51         heap_size = HeapSize(GetProcessHeap(), 0, mem);
  52         ok(heap_size == size || heap_size == resize_9x(size),
  53             "HeapSize returned %lu instead of %lu or %lu\n", heap_size, size, resize_9x(size));
  54         HeapFree(GetProcessHeap(), 0, mem);
  55     }
  56
  57     /* Global*() functions */
  58     gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
  59     ok(gbl != NULL, "global memory not allocated for size 0\n");
  60
  61     gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
  62     ok(gbl != NULL, "Can't realloc global memory\n");
  63     size = GlobalSize(gbl);
  64     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
  65
  66     gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
  67     ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
  68
  69     size = GlobalSize(gbl);
  70     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
  71     ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
  72     size = GlobalSize(gbl);
  73     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
  74
  75     gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
  76     ok(gbl == NULL, "global realloc allocated memory\n");
  77
  78     /* Local*() functions */
  79     gbl = LocalAlloc(LMEM_MOVEABLE, 0);
  80     ok(gbl != NULL, "local memory not allocated for size 0\n");
  81
  82     gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
  83     ok(gbl != NULL, "Can't realloc local memory\n");
  84     size = LocalSize(gbl);
  85     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
  86
  87     gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
  88     ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
  89
  90     size = LocalSize(gbl);
  91     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
  92     ok(LocalFree(gbl) == NULL, "Memory not freed\n");
  93     size = LocalSize(gbl);
  94     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
  95
  96     gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
  97     ok(gbl == NULL, "local realloc allocated memory\n");
  98
  99     /* trying to lock empty memory should give an error */
 100     gbl = GlobalAlloc(GMEM_MOVEABLE|GMEM_ZEROINIT,0);
 101     ok(gbl != NULL, "returned NULL\n");
 102     SetLastError(0xdeadbeef);
 103     mem = GlobalLock(gbl);
 104     ok( GetLastError() == ERROR_DISCARDED, "should return an error\n");
 105     ok( mem == NULL, "should return NULL\n");
 106     GlobalFree(gbl);
 107 }