reactos/apps/tests/user32/dde.c

   1 /*
   2  * Unit tests for DDE functions
   3  *
   4  * Copyright (c) 2004 Dmitry Timoshkov
   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 <assert.h>
  22
  23 #include "wine/test.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ddeml.h"
  27 #include "winerror.h"
  28
  29 static HDDEDATA CALLBACK DdeCallback(UINT uType, UINT uFmt, HCONV hconv,
  30                                      HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
  31                                      ULONG_PTR dwData1, ULONG_PTR dwData2)
  32 {
  33     return 0;
  34 }
  35
  36 static void test_DdeCreateStringHandleW(DWORD dde_inst, int codepage)
  37 {
  38     static const WCHAR dde_string[] = {'D','D','E',' ','S','t','r','i','n','g',0};
  39     HSZ str_handle;
  40     WCHAR bufW[256];
  41     char buf[256];
  42     int ret;
  43
  44     str_handle = DdeCreateStringHandleW(dde_inst, dde_string, codepage);
  45     ok(str_handle != 0, "DdeCreateStringHandleW failed with error %08x\n",
  46        DdeGetLastError(dde_inst));
  47
  48     ret = DdeQueryStringW(dde_inst, str_handle, NULL, 0, codepage);
  49     if (codepage == CP_WINANSI)
  50         ok(ret == 1, "DdeQueryStringW returned wrong length %d\n", ret);
  51     else
  52         ok(ret == lstrlenW(dde_string), "DdeQueryStringW returned wrong length %d\n", ret);
  53
  54     ret = DdeQueryStringW(dde_inst, str_handle, bufW, 256, codepage);
  55     if (codepage == CP_WINANSI)
  56     {
  57         ok(ret == 1, "DdeQueryStringW returned wrong length %d\n", ret);
  58         ok(!lstrcmpA("D", (LPCSTR)bufW), "DdeQueryStringW returned wrong string\n");
  59     }
  60     else
  61     {
  62         ok(ret == lstrlenW(dde_string), "DdeQueryStringW returned wrong length %d\n", ret);
  63         ok(!lstrcmpW(dde_string, bufW), "DdeQueryStringW returned wrong string\n");
  64     }
  65
  66     ret = DdeQueryStringA(dde_inst, str_handle, buf, 256, CP_WINANSI);
  67     if (codepage == CP_WINANSI)
  68     {
  69         ok(ret == 1, "DdeQueryStringA returned wrong length %d\n", ret);
  70         ok(!lstrcmpA("D", buf), "DdeQueryStringW returned wrong string\n");
  71     }
  72     else
  73     {
  74         ok(ret == lstrlenA("DDE String"), "DdeQueryStringA returned wrong length %d\n", ret);
  75         ok(!lstrcmpA("DDE String", buf), "DdeQueryStringA returned wrong string %s\n", buf);
  76     }
  77
  78     ret = DdeQueryStringA(dde_inst, str_handle, buf, 256, CP_WINUNICODE);
  79     if (codepage == CP_WINANSI)
  80     {
  81         ok(ret == 1, "DdeQueryStringA returned wrong length %d\n", ret);
  82         ok(!lstrcmpA("D", buf), "DdeQueryStringA returned wrong string %s\n", buf);
  83     }
  84     else
  85     {
  86         ok(ret == lstrlenA("DDE String"), "DdeQueryStringA returned wrong length %d\n", ret);
  87         ok(!lstrcmpW(dde_string, (LPCWSTR)buf), "DdeQueryStringW returned wrong string\n");
  88     }
  89
  90     ok(DdeFreeStringHandle(dde_inst, str_handle), "DdeFreeStringHandle failed\n");
  91 }
  92
  93 START_TEST(dde)
  94 {
  95     DWORD dde_inst, ret;
  96
  97     dde_inst = 0xdeadbeef;
  98     SetLastError(0xdeadbeef);
  99     ret = DdeInitializeW(&dde_inst, DdeCallback, APPCMD_CLIENTONLY, 0);
 100     if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 101     {
 102         trace("Skipping the DDE test on a Win9x platform\n");
 103         return;
 104     }
 105
 106     ok(ret == DMLERR_INVALIDPARAMETER, "DdeInitializeW should fail, but got %04lx instead\n", ret);
 107     ok(DdeGetLastError(dde_inst) == DMLERR_INVALIDPARAMETER, "expected DMLERR_INVALIDPARAMETER\n");
 108
 109     dde_inst = 0;
 110     ret = DdeInitializeW(&dde_inst, DdeCallback, APPCMD_CLIENTONLY, 0);
 111     ok(ret == DMLERR_NO_ERROR, "DdeInitializeW failed with error %04lx (%08x)\n",
 112        ret, DdeGetLastError(dde_inst));
 113
 114     test_DdeCreateStringHandleW(dde_inst, 0);
 115     test_DdeCreateStringHandleW(dde_inst, CP_WINUNICODE);
 116     test_DdeCreateStringHandleW(dde_inst, CP_WINANSI);
 117
 118     ok(DdeUninitialize(dde_inst), "DdeUninitialize failed\n");
 119 }