ipc/dde_mem_test.c

   1 /***************************************************************************
   2  * Copyright 1995, Technion, Israel Institute of Technology
   3  * Electrical Eng, Software Lab.
   4  * Author:    Michael Veksler.
   5  ***************************************************************************
   6  * File:      dde_mem_test.c
   7  * Purpose :  test shared DDE memory functionality for DDE
   8  * Usage:     Look for assertion failures
   9  ***************************************************************************
  10  */
  11 #include <stdio.h>
  12 #include <assert.h>
  13 #include <win.h>
  14 #include "dde_mem.h"
  15 /* stub */
  16
  17 void ATOM_GlobalInit()
  18 {
  19   printf("ATOM_GlobalInit\n");
  20 }
  21
  22
  23 int main()
  24 {
  25   HWND h1,h2,h3;
  26   int ret;
  27   void *p1,*p2,*p3,*p;
  28   SHMDATA shmdata;
  29
  30   /* alloc h1, h2, h3 */
  31
  32   setbuf(stdout,NULL);
  33   p1=DDE_malloc(GMEM_DDESHARE, 0x6000, &shmdata);
  34   h1= shmdata.handle;
  35   assert(p1 != NULL);
  36   assert(h1 != 0);
  37   p2=DDE_malloc(GMEM_DDESHARE, 0xff00, &shmdata);
  38   h2= shmdata.handle;
  39   assert(p2 != NULL);
  40   assert(h2 != 0);
  41   p3=DDE_malloc(GMEM_DDESHARE, 0x6000, &shmdata);
  42   h3= shmdata.handle;
  43   assert(p3 != 0);
  44   assert(h3 != 0);
  45
  46   /* lock h1, h2, h3 */
  47   p=DDE_AttachHandle(h1,NULL);
  48   assert(p1==p);
  49   p=DDE_AttachHandle(h2,NULL);
  50   assert(p2==p);
  51   p=DDE_AttachHandle(h3,NULL);
  52   assert(p3==p);
  53
  54
  55
  56   ret=DDE_GlobalFree(h1);
  57   assert(ret==0);
  58   /* do some implementation dependant tests */
  59   p=DDE_malloc(GMEM_DDESHARE, 0x6000, &shmdata);
  60   assert(p!=NULL);
  61   assert(shmdata.handle==h1);
  62   p=DDE_AttachHandle(h1,NULL);
  63   assert(p1==p);
  64
  65   /* check freeing */
  66   ret=DDE_GlobalFree(h1);
  67   assert(ret==0);
  68   ret=DDE_GlobalFree(h2);
  69   assert(ret==0);
  70   ret=DDE_GlobalFree(h3);
  71   assert(ret==0);
  72   return 0;
  73 }