dlls/kernel/tests/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 START_TEST(heap)
  29 {
  30     void *mem;
  31     HGLOBAL gbl;
  32     SIZE_T size;
  33
  34     /* Heap*() functions */
  35     mem = HeapAlloc(GetProcessHeap(), 0, 0);
  36     ok(mem != NULL, "memory not allocated for size 0\n");
  37
  38     mem = HeapReAlloc(GetProcessHeap(), 0, NULL, 10);
  39     ok(mem == NULL, "memory allocated by HeapReAlloc\n");
  40
  41     /* Global*() functions */
  42     gbl = GlobalAlloc(GMEM_MOVEABLE, 0);
  43     ok(gbl != NULL, "global memory not allocated for size 0\n");
  44
  45     gbl = GlobalReAlloc(gbl, 10, GMEM_MOVEABLE);
  46     ok(gbl != NULL, "Can't realloc global memory\n");
  47     size = GlobalSize(gbl);
  48     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
  49
  50     todo_wine
  51     {
  52         gbl = GlobalReAlloc(gbl, 0, GMEM_MOVEABLE);
  53         ok(gbl != NULL, "GlobalReAlloc should not fail on size 0\n");
  54     }
  55
  56     size = GlobalSize(gbl);
  57     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
  58     ok(GlobalFree(gbl) == NULL, "Memory not freed\n");
  59     size = GlobalSize(gbl);
  60     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
  61
  62     gbl = GlobalReAlloc(0, 10, GMEM_MOVEABLE);
  63     ok(gbl == NULL, "global realloc allocated memory\n");
  64
  65     /* Local*() functions */
  66     gbl = LocalAlloc(LMEM_MOVEABLE, 0);
  67     ok(gbl != NULL, "local memory not allocated for size 0\n");
  68
  69     gbl = LocalReAlloc(gbl, 10, LMEM_MOVEABLE);
  70     ok(gbl != NULL, "Can't realloc local memory\n");
  71     size = LocalSize(gbl);
  72     ok(size >= 10 && size <= 16, "Memory not resized to size 10, instead size=%ld\n", size);
  73
  74     todo_wine
  75     {
  76         gbl = LocalReAlloc(gbl, 0, LMEM_MOVEABLE);
  77         ok(gbl != NULL, "LocalReAlloc should not fail on size 0\n");
  78     }
  79
  80     size = LocalSize(gbl);
  81     ok(size == 0, "Memory not resized to size 0, instead size=%ld\n", size);
  82     ok(LocalFree(gbl) == NULL, "Memory not freed\n");
  83     size = LocalSize(gbl);
  84     ok(size == 0, "Memory should have been freed, size=%ld\n", size);
  85
  86     gbl = LocalReAlloc(0, 10, LMEM_MOVEABLE);
  87     ok(gbl == NULL, "local realloc allocated memory\n");
  88
  89 }