dlls/user32/tests/dde.c

   1 /*
   2  * Unit tests for DDE functions
   3  *
   4  * Copyright (c) 2004 Dmitry Timoshkov
   5  * Copyright (c) 2007 James Hawkins
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <assert.h>
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "dde.h"
  30 #include "ddeml.h"
  31 #include "winerror.h"
  32
  33 #include "wine/test.h"
  34
  35 static const WCHAR TEST_DDE_SERVICE[] = {'T','e','s','t','D','D','E','S','e','r','v','i','c','e',0};
  36
  37 static char exec_cmdA[] = "ANSI dde command";
  38 static WCHAR exec_cmdW[] = {'u','n','i','c','o','d','e',' ','d','d','e',' ','c','o','m','m','a','n','d',0};
  39
  40 static WNDPROC old_dde_client_wndproc;
  41
  42 static const DWORD default_timeout = 200;
  43
  44 static void flush_events(void)
  45 {
  46     MSG msg;
  47     int diff = default_timeout;
  48     int min_timeout = 50;
  49     DWORD time = GetTickCount() + diff;
  50
  51     while (diff > 0)
  52     {
  53         if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min_timeout, QS_ALLINPUT ) == WAIT_TIMEOUT) break;
  54         while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessage( &msg );
  55         diff = time - GetTickCount();
  56         min_timeout = 10;
  57     }
  58 }
  59
  60 static void create_dde_window(HWND *hwnd, LPCSTR name, WNDPROC wndproc)
  61 {
  62     WNDCLASSA wcA;
  63
  64     memset(&wcA, 0, sizeof(wcA));
  65     wcA.lpfnWndProc = wndproc;
  66     wcA.lpszClassName = name;
  67     wcA.hInstance = GetModuleHandleA(0);
  68     assert(RegisterClassA(&wcA));
  69
  70     *hwnd = CreateWindowExA(0, name, NULL, WS_POPUP,
  71                             500, 500, CW_USEDEFAULT, CW_USEDEFAULT,
  72                             GetDesktopWindow(), 0, GetModuleHandleA(0), NULL);
  73     assert(*hwnd);
  74 }
  75
  76 static LRESULT WINAPI dde_server_wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
  77 {
  78     UINT_PTR lo, hi;
  79     char str[MAX_PATH], *ptr;
  80     HGLOBAL hglobal;
  81     DDEDATA *data;
  82     DDEPOKE *poke;
  83     DWORD size;
  84
  85     static int msg_index = 0;
  86     static HWND client = 0;
  87     static BOOL executed = FALSE;
  88
  89     if (msg < WM_DDE_FIRST || msg > WM_DDE_LAST)
  90         return DefWindowProcA(hwnd, msg, wparam, lparam);
  91
  92     msg_index++;
  93
  94     switch (msg)
  95     {
  96     case WM_DDE_INITIATE:
  97     {
  98         client = (HWND)wparam;
  99         ok(msg_index == 1, "Expected 1, got %d\n", msg_index);
 100
 101         GlobalGetAtomNameA(LOWORD(lparam), str, MAX_PATH);
 102         ok(!lstrcmpA(str, "TestDDEService"), "Expected TestDDEService, got %s\n", str);
 103
 104         GlobalGetAtomNameA(HIWORD(lparam), str, MAX_PATH);
 105         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 106
 107         SendMessageA(client, WM_DDE_ACK, (WPARAM)hwnd, lparam);
 108
 109         break;
 110     }
 111
 112     case WM_DDE_REQUEST:
 113     {
 114         ok((msg_index >= 2 && msg_index <= 4) ||
 115            (msg_index >= 7 && msg_index <= 8),
 116            "Expected 2, 3, 4, 7 or 8, got %d\n", msg_index);
 117         ok(wparam == (WPARAM)client, "Expected client hwnd, got %08lx\n", wparam);
 118         ok(LOWORD(lparam) == CF_TEXT, "Expected CF_TEXT, got %d\n", LOWORD(lparam));
 119
 120         GlobalGetAtomNameA(HIWORD(lparam), str, MAX_PATH);
 121         if (msg_index < 8)
 122             ok(!lstrcmpA(str, "request"), "Expected request, got %s\n", str);
 123         else
 124             ok(!lstrcmpA(str, "executed"), "Expected executed, got %s\n", str);
 125
 126         if (msg_index == 8)
 127         {
 128             if (executed)
 129                 lstrcpyA(str, "command executed\r\n");
 130             else
 131                 lstrcpyA(str, "command not executed\r\n");
 132         }
 133         else
 134             lstrcpyA(str, "requested data\r\n");
 135
 136         size = sizeof(DDEDATA) + lstrlenA(str) + 1;
 137         hglobal = GlobalAlloc(GMEM_MOVEABLE, size);
 138         ok(hglobal != NULL, "Expected non-NULL hglobal\n");
 139
 140         data = GlobalLock(hglobal);
 141         ZeroMemory(data, size);
 142
 143         /* setting fResponse to FALSE at this point destroys
 144          * the internal messaging state of native dde
 145          */
 146         data->fResponse = TRUE;
 147
 148         if (msg_index == 2)
 149             data->fRelease = TRUE;
 150         else if (msg_index == 3)
 151             data->fAckReq = TRUE;
 152
 153         data->cfFormat = CF_TEXT;
 154         lstrcpyA((LPSTR)data->Value, str);
 155         GlobalUnlock(hglobal);
 156
 157         lparam = PackDDElParam(WM_DDE_ACK, (UINT)hglobal, HIWORD(lparam));
 158         PostMessageA(client, WM_DDE_DATA, (WPARAM)hwnd, lparam);
 159
 160         break;
 161     }
 162
 163     case WM_DDE_POKE:
 164     {
 165         ok(msg_index == 5 || msg_index == 6, "Expected 5 or 6, got %d\n", msg_index);
 166         ok(wparam == (WPARAM)client, "Expected client hwnd, got %08lx\n", wparam);
 167
 168         UnpackDDElParam(WM_DDE_POKE, lparam, &lo, &hi);
 169
 170         GlobalGetAtomNameA(hi, str, MAX_PATH);
 171         ok(!lstrcmpA(str, "poker"), "Expected poker, got %s\n", str);
 172
 173         poke = GlobalLock((HGLOBAL)lo);
 174         ok(poke != NULL, "Expected non-NULL poke\n");
 175         ok(poke->fReserved == 0, "Expected 0, got %d\n", poke->fReserved);
 176         ok(poke->unused == 0, "Expected 0, got %d\n", poke->unused);
 177         ok(poke->fRelease == TRUE, "Expected TRUE, got %d\n", poke->fRelease);
 178         ok(poke->cfFormat == CF_TEXT, "Expected CF_TEXT, got %d\n", poke->cfFormat);
 179
 180         if (msg_index == 5)
 181             ok(lstrcmpA((LPSTR)poke->Value, "poke data\r\n"),
 182                "Expected 'poke data\\r\\n', got %s\n", poke->Value);
 183         else
 184             ok(!lstrcmpA((LPSTR)poke->Value, "poke data\r\n"),
 185                "Expected 'poke data\\r\\n', got %s\n", poke->Value);
 186
 187         GlobalUnlock((HGLOBAL)lo);
 188
 189         lparam = PackDDElParam(WM_DDE_ACK, DDE_FACK, hi);
 190         PostMessageA(client, WM_DDE_ACK, (WPARAM)hwnd, lparam);
 191
 192         break;
 193     }
 194
 195     case WM_DDE_EXECUTE:
 196     {
 197         ok(msg_index == 7, "Expected 7, got %d\n", msg_index);
 198         ok(wparam == (WPARAM)client, "Expected client hwnd, got %08lx\n", wparam);
 199
 200         ptr = GlobalLock((HGLOBAL)lparam);
 201         ok(!lstrcmpA(ptr, "[Command(Var)]"), "Expected [Command(Var)], got %s\n", ptr);
 202         GlobalUnlock((HGLOBAL)lparam);
 203
 204         executed = TRUE;
 205
 206         lparam = ReuseDDElParam(lparam, WM_DDE_EXECUTE, WM_DDE_ACK, DDE_FACK, HIWORD(lparam));
 207         PostMessageA(client, WM_DDE_ACK, (WPARAM)hwnd, lparam);
 208
 209         break;
 210     }
 211
 212     case WM_DDE_TERMINATE:
 213     {
 214         ok(msg_index == 9, "Expected 9, got %d\n", msg_index);
 215         ok(wparam == (WPARAM)client, "Expected client hwnd, got %08lx\n", wparam);
 216         ok(lparam == 0, "Expected 0, got %08lx\n", lparam);
 217
 218         PostMessageA(client, WM_DDE_TERMINATE, (WPARAM)hwnd, 0);
 219
 220         break;
 221     }
 222
 223     default:
 224         ok(FALSE, "Unhandled msg: %08x\n", msg);
 225     }
 226
 227     return DefWindowProcA(hwnd, msg, wparam, lparam);
 228 }
 229
 230 static void test_msg_server(HANDLE hproc, HANDLE hthread)
 231 {
 232     MSG msg;
 233     HWND hwnd;
 234     DWORD res;
 235
 236     create_dde_window(&hwnd, "dde_server", dde_server_wndproc);
 237     ResumeThread( hthread );
 238
 239     while (MsgWaitForMultipleObjects( 1, &hproc, FALSE, INFINITE, QS_ALLINPUT ) != 0)
 240     {
 241         while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) DispatchMessageA(&msg);
 242     }
 243
 244     DestroyWindow(hwnd);
 245     GetExitCodeProcess( hproc, &res );
 246     ok( !res, "client failed with %u error(s)\n", res );
 247 }
 248
 249 static HDDEDATA CALLBACK client_ddeml_callback(UINT uType, UINT uFmt, HCONV hconv,
 250                                                HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
 251                                                ULONG_PTR dwData1, ULONG_PTR dwData2)
 252 {
 253     ok(FALSE, "Unhandled msg: %08x\n", uType);
 254     return 0;
 255 }
 256
 257 static void test_ddeml_client(void)
 258 {
 259     UINT ret;
 260     char buffer[32];
 261     LPSTR str;
 262     DWORD size, res;
 263     HDDEDATA hdata, op;
 264     HSZ server, topic, item;
 265     DWORD client_pid;
 266     HCONV conversation;
 267
 268     client_pid = 0;
 269     ret = DdeInitializeA(&client_pid, client_ddeml_callback, APPCMD_CLIENTONLY, 0);
 270     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 271
 272     /* FIXME: make these atoms global and check them in the server */
 273
 274     server = DdeCreateStringHandleA(client_pid, "TestDDEService", CP_WINANSI);
 275     topic = DdeCreateStringHandleA(client_pid, "TestDDETopic", CP_WINANSI);
 276
 277     DdeGetLastError(client_pid);
 278     conversation = DdeConnect(client_pid, server, topic, NULL);
 279     ok(conversation != NULL, "Expected non-NULL conversation\n");
 280     ret = DdeGetLastError(client_pid);
 281     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 282
 283     DdeFreeStringHandle(client_pid, server);
 284
 285     item = DdeCreateStringHandleA(client_pid, "request", CP_WINANSI);
 286
 287     /* XTYP_REQUEST, fRelease = TRUE */
 288     res = 0xdeadbeef;
 289     DdeGetLastError(client_pid);
 290     hdata = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_REQUEST, default_timeout, &res);
 291     ret = DdeGetLastError(client_pid);
 292     ok(ret == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", ret);
 293     todo_wine
 294     {
 295         ok(res == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %08x\n", res);
 296     }
 297     if (hdata == NULL)
 298         ok(FALSE, "hdata is NULL\n");
 299     else
 300     {
 301         str = (LPSTR)DdeAccessData(hdata, &size);
 302         ok(!lstrcmpA(str, "requested data\r\n"), "Expected 'requested data\\r\\n', got %s\n", str);
 303         ok(size == 19, "Expected 19, got %d\n", size);
 304
 305         ret = DdeUnaccessData(hdata);
 306         ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 307     }
 308
 309     /* XTYP_REQUEST, fAckReq = TRUE */
 310     res = 0xdeadbeef;
 311     DdeGetLastError(client_pid);
 312     hdata = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_REQUEST, default_timeout, &res);
 313     ret = DdeGetLastError(client_pid);
 314     todo_wine
 315     {
 316         ok(res == DDE_FNOTPROCESSED, "Expected DDE_FNOTPROCESSED, got %d\n", res);
 317         ok(ret == DMLERR_MEMORY_ERROR, "Expected DMLERR_MEMORY_ERROR, got %d\n", ret);
 318     }
 319     if (hdata == NULL)
 320         ok(FALSE, "hdata is NULL\n");
 321     else
 322     {
 323         str = (LPSTR)DdeAccessData(hdata, &size);
 324         ok(!lstrcmpA(str, "requested data\r\n"), "Expected 'requested data\\r\\n', got %s\n", str);
 325         ok(size == 19, "Expected 19, got %d\n", size);
 326
 327         ret = DdeUnaccessData(hdata);
 328         ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 329     }
 330
 331     /* XTYP_REQUEST, all params normal */
 332     res = 0xdeadbeef;
 333     DdeGetLastError(client_pid);
 334     hdata = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_REQUEST, default_timeout, &res);
 335     ret = DdeGetLastError(client_pid);
 336     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 337     todo_wine
 338     {
 339         ok(res == DDE_FNOTPROCESSED, "Expected DDE_FNOTPROCESSED, got %d\n", res);
 340     }
 341     if (hdata == NULL)
 342         ok(FALSE, "hdata is NULL\n");
 343     else
 344     {
 345         str = (LPSTR)DdeAccessData(hdata, &size);
 346         ok(!lstrcmpA(str, "requested data\r\n"), "Expected 'requested data\\r\\n', got %s\n", str);
 347         ok(size == 19, "Expected 19, got %d\n", size);
 348
 349         ret = DdeUnaccessData(hdata);
 350         ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 351     }
 352
 353     /* XTYP_REQUEST, no item */
 354     res = 0xdeadbeef;
 355     DdeGetLastError(client_pid);
 356     hdata = DdeClientTransaction(NULL, 0, conversation, 0, CF_TEXT, XTYP_REQUEST, default_timeout, &res);
 357     ret = DdeGetLastError(client_pid);
 358     ok(hdata == NULL, "Expected NULL hdata, got %p\n", hdata);
 359     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %08x\n", res);
 360     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 361
 362     DdeFreeStringHandle(client_pid, item);
 363
 364     item = DdeCreateStringHandleA(client_pid, "poker", CP_WINANSI);
 365
 366     lstrcpyA(buffer, "poke data\r\n");
 367     hdata = DdeCreateDataHandle(client_pid, (LPBYTE)buffer, lstrlenA(buffer) + 1,
 368                                 0, item, CF_TEXT, 0);
 369     ok(hdata != NULL, "Expected non-NULL hdata\n");
 370
 371     /* XTYP_POKE, no item */
 372     res = 0xdeadbeef;
 373     DdeGetLastError(client_pid);
 374     op = DdeClientTransaction((LPBYTE)hdata, -1, conversation, 0, CF_TEXT, XTYP_POKE, default_timeout, &res);
 375     ret = DdeGetLastError(client_pid);
 376     ok(op == NULL, "Expected NULL, got %p\n", op);
 377     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 378     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 379
 380     /* XTYP_POKE, no data */
 381     res = 0xdeadbeef;
 382     DdeGetLastError(client_pid);
 383     op = DdeClientTransaction(NULL, 0, conversation, 0, CF_TEXT, XTYP_POKE, default_timeout, &res);
 384     ret = DdeGetLastError(client_pid);
 385     ok(op == NULL, "Expected NULL, got %p\n", op);
 386     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 387     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 388
 389     /* XTYP_POKE, wrong size */
 390     res = 0xdeadbeef;
 391     DdeGetLastError(client_pid);
 392     op = DdeClientTransaction((LPBYTE)hdata, 0, conversation, item, CF_TEXT, XTYP_POKE, default_timeout, &res);
 393     ret = DdeGetLastError(client_pid);
 394     ok(op == (HDDEDATA)TRUE, "Expected TRUE, got %p\n", op);
 395     ok(res == DDE_FACK, "Expected DDE_FACK, got %d\n", res);
 396     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 397
 398     /* XTYP_POKE, correct params */
 399     res = 0xdeadbeef;
 400     DdeGetLastError(client_pid);
 401     op = DdeClientTransaction((LPBYTE)hdata, -1, conversation, item, CF_TEXT, XTYP_POKE, default_timeout, &res);
 402     ret = DdeGetLastError(client_pid);
 403     ok(op == (HDDEDATA)TRUE, "Expected TRUE, got %p\n", op);
 404     ok(res == DDE_FACK, "Expected DDE_FACK, got %d\n", res);
 405     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 406
 407     DdeFreeDataHandle(hdata);
 408
 409     lstrcpyA(buffer, "[Command(Var)]");
 410     hdata = DdeCreateDataHandle(client_pid, (LPBYTE)buffer, lstrlenA(buffer) + 1,
 411                                 0, NULL, CF_TEXT, 0);
 412     ok(hdata != NULL, "Expected non-NULL hdata\n");
 413
 414     /* XTYP_EXECUTE, correct params */
 415     res = 0xdeadbeef;
 416     DdeGetLastError(client_pid);
 417     op = DdeClientTransaction((LPBYTE)hdata, -1, conversation, NULL, 0, XTYP_EXECUTE, default_timeout, &res);
 418     ret = DdeGetLastError(client_pid);
 419     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 420     ok(op == (HDDEDATA)TRUE, "Expected TRUE, got %p\n", op);
 421     ok(res == DDE_FACK, "Expected DDE_FACK, got %d\n", res);
 422
 423     /* XTYP_EXECUTE, no data */
 424     res = 0xdeadbeef;
 425     DdeGetLastError(client_pid);
 426     op = DdeClientTransaction(NULL, 0, conversation, NULL, 0, XTYP_EXECUTE, default_timeout, &res);
 427     ret = DdeGetLastError(client_pid);
 428     ok(op == NULL, "Expected NULL, got %p\n", op);
 429     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 430     todo_wine
 431     {
 432         ok(ret == DMLERR_MEMORY_ERROR, "Expected DMLERR_MEMORY_ERROR, got %d\n", ret);
 433     }
 434
 435     /* XTYP_EXECUTE, no data, -1 size */
 436     res = 0xdeadbeef;
 437     DdeGetLastError(client_pid);
 438     op = DdeClientTransaction(NULL, -1, conversation, NULL, 0, XTYP_EXECUTE, default_timeout, &res);
 439     ret = DdeGetLastError(client_pid);
 440     ok(op == NULL, "Expected NULL, got %p\n", op);
 441     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 442     todo_wine
 443     {
 444         ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 445     }
 446
 447     DdeFreeStringHandle(client_pid, topic);
 448     DdeFreeDataHandle(hdata);
 449
 450     item = DdeCreateStringHandleA(client_pid, "executed", CP_WINANSI);
 451
 452     /* verify the execute */
 453     res = 0xdeadbeef;
 454     DdeGetLastError(client_pid);
 455     hdata = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_REQUEST, default_timeout, &res);
 456     ret = DdeGetLastError(client_pid);
 457     ok(ret == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", ret);
 458     todo_wine
 459     {
 460         ok(res == DDE_FNOTPROCESSED, "Expected DDE_FNOTPROCESSED, got %d\n", res);
 461     }
 462     if (hdata == NULL)
 463         ok(FALSE, "hdata is NULL\n");
 464     else
 465     {
 466         str = (LPSTR)DdeAccessData(hdata, &size);
 467         ok(!lstrcmpA(str, "command executed\r\n"), "Expected 'command executed\\r\\n', got %s\n", str);
 468         ok(size == 21, "Expected 21, got %d\n", size);
 469
 470         ret = DdeUnaccessData(hdata);
 471         ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 472     }
 473
 474     /* invalid transactions */
 475     res = 0xdeadbeef;
 476     DdeGetLastError(client_pid);
 477     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_ADVREQ, default_timeout, &res);
 478     ret = DdeGetLastError(client_pid);
 479     ok(op == NULL, "Expected NULL, got %p\n", op);
 480     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 481     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 482
 483     res = 0xdeadbeef;
 484     DdeGetLastError(client_pid);
 485     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_CONNECT, default_timeout, &res);
 486     ret = DdeGetLastError(client_pid);
 487     ok(op == NULL, "Expected NULL, got %p\n", op);
 488     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 489     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 490
 491     res = 0xdeadbeef;
 492     DdeGetLastError(client_pid);
 493     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_CONNECT_CONFIRM, default_timeout, &res);
 494     ret = DdeGetLastError(client_pid);
 495     ok(op == NULL, "Expected NULL, got %p\n", op);
 496     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 497     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 498
 499     res = 0xdeadbeef;
 500     DdeGetLastError(client_pid);
 501     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_DISCONNECT, default_timeout, &res);
 502     ret = DdeGetLastError(client_pid);
 503     ok(op == NULL, "Expected NULL, got %p\n", op);
 504     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 505     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 506
 507     res = 0xdeadbeef;
 508     DdeGetLastError(client_pid);
 509     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_ERROR, default_timeout, &res);
 510     ret = DdeGetLastError(client_pid);
 511     ok(op == NULL, "Expected NULL, got %p\n", op);
 512     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 513     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 514
 515     res = 0xdeadbeef;
 516     DdeGetLastError(client_pid);
 517     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_MONITOR, default_timeout, &res);
 518     ret = DdeGetLastError(client_pid);
 519     ok(op == NULL, "Expected NULL, got %p\n", op);
 520     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 521     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 522
 523     res = 0xdeadbeef;
 524     DdeGetLastError(client_pid);
 525     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_REGISTER, default_timeout, &res);
 526     ret = DdeGetLastError(client_pid);
 527     ok(op == NULL, "Expected NULL, got %p\n", op);
 528     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 529     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 530
 531     res = 0xdeadbeef;
 532     DdeGetLastError(client_pid);
 533     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_UNREGISTER, default_timeout, &res);
 534     ret = DdeGetLastError(client_pid);
 535     ok(op == NULL, "Expected NULL, got %p\n", op);
 536     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 537     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 538
 539     res = 0xdeadbeef;
 540     DdeGetLastError(client_pid);
 541     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_WILDCONNECT, default_timeout, &res);
 542     ret = DdeGetLastError(client_pid);
 543     ok(op == NULL, "Expected NULL, got %p\n", op);
 544     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 545     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 546
 547     res = 0xdeadbeef;
 548     DdeGetLastError(client_pid);
 549     op = DdeClientTransaction(NULL, 0, conversation, item, CF_TEXT, XTYP_XACT_COMPLETE, default_timeout, &res);
 550     ret = DdeGetLastError(client_pid);
 551     ok(op == NULL, "Expected NULL, got %p\n", op);
 552     ok(res == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", res);
 553     ok(ret == DMLERR_INVALIDPARAMETER, "Expected DMLERR_INVALIDPARAMETER, got %d\n", ret);
 554
 555     DdeFreeStringHandle(client_pid, item);
 556
 557     ret = DdeDisconnect(conversation);
 558     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 559
 560     ret = DdeUninitialize(client_pid);
 561     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 562 }
 563
 564 static DWORD server_pid;
 565
 566 static HDDEDATA CALLBACK server_ddeml_callback(UINT uType, UINT uFmt, HCONV hconv,
 567                                                HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
 568                                                ULONG_PTR dwData1, ULONG_PTR dwData2)
 569 {
 570     char str[MAX_PATH], *ptr;
 571     HDDEDATA ret;
 572     DWORD size;
 573
 574     static int msg_index = 0;
 575     static HCONV conversation = 0;
 576
 577     msg_index++;
 578
 579     switch (uType)
 580     {
 581     case XTYP_REGISTER:
 582     {
 583         ok(msg_index == 1, "Expected 1, got %d\n", msg_index);
 584         ok(uFmt == 0, "Expected 0, got %d\n", uFmt);
 585         ok(hconv == 0, "Expected 0, got %p\n", hconv);
 586         ok(hdata == 0, "Expected 0, got %p\n", hdata);
 587         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 588         ok(dwData2 == 0, "Expected 0, got %08lx\n", dwData2);
 589
 590         size = DdeQueryStringA(server_pid, hsz1, str, MAX_PATH, CP_WINANSI);
 591         ok(!lstrcmpA(str, "TestDDEServer"), "Expected TestDDEServer, got %s\n", str);
 592         ok(size == 13, "Expected 13, got %d\n", size);
 593
 594         size = DdeQueryStringA(server_pid, hsz2, str, MAX_PATH, CP_WINANSI);
 595         ok(!strncmp(str, "TestDDEServer(", 14), "Expected TestDDEServer(, got %s\n", str);
 596         ok(str[size - 1] == ')', "Expected ')', got %c\n", str[size - 1]);
 597         ok(size == 25, "Expected 25, got %d\n", size);
 598
 599         return (HDDEDATA)TRUE;
 600     }
 601
 602     case XTYP_CONNECT:
 603     {
 604         ok(msg_index == 2, "Expected 2, got %d\n", msg_index);
 605         ok(uFmt == 0, "Expected 0, got %d\n", uFmt);
 606         ok(hconv == 0, "Expected 0, got %p\n", hconv);
 607         ok(hdata == 0, "Expected 0, got %p\n", hdata);
 608         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 609         ok(dwData2 == FALSE, "Expected FALSE, got %08lx\n", dwData2);
 610
 611         size = DdeQueryStringA(server_pid, hsz1, str, MAX_PATH, CP_WINANSI);
 612         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 613         ok(size == 12, "Expected 12, got %d\n", size);
 614
 615         size = DdeQueryStringA(server_pid, hsz2, str, MAX_PATH, CP_WINANSI);
 616         ok(!lstrcmpA(str, "TestDDEServer"), "Expected TestDDEServer, got %s\n", str);
 617         ok(size == 13, "Expected 13, got %d\n", size);
 618
 619         return (HDDEDATA)TRUE;
 620     }
 621
 622     case XTYP_CONNECT_CONFIRM:
 623     {
 624         conversation = hconv;
 625
 626         ok(msg_index == 3, "Expected 3, got %d\n", msg_index);
 627         ok(uFmt == 0, "Expected 0, got %d\n", uFmt);
 628         ok(hconv != NULL, "Expected non-NULL hconv\n");
 629         ok(hdata == 0, "Expected 0, got %p\n", hdata);
 630         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 631         ok(dwData2 == FALSE, "Expected FALSE, got %08lx\n", dwData2);
 632
 633         size = DdeQueryStringA(server_pid, hsz1, str, MAX_PATH, CP_WINANSI);
 634         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 635         ok(size == 12, "Expected 12, got %d\n", size);
 636
 637         size = DdeQueryStringA(server_pid, hsz2, str, MAX_PATH, CP_WINANSI);
 638         ok(!lstrcmpA(str, "TestDDEServer"), "Expected TestDDEServer, got %s\n", str);
 639         ok(size == 13, "Expected 13, got %d\n", size);
 640
 641         return (HDDEDATA)TRUE;
 642     }
 643
 644     case XTYP_REQUEST:
 645     {
 646         ok(msg_index == 4 || msg_index == 5 || msg_index == 6,
 647            "Expected 4, 5 or 6, got %d\n", msg_index);
 648         ok(hconv == conversation, "Expected conversation handle, got %p\n", hconv);
 649         ok(hdata == 0, "Expected 0, got %p\n", hdata);
 650         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 651         ok(dwData2 == 0, "Expected 0, got %08lx\n", dwData2);
 652
 653         if (msg_index == 4)
 654             ok(uFmt == 0xbeef, "Expected 0xbeef, got %08x\n", uFmt);
 655         else
 656             ok(uFmt == CF_TEXT, "Expected CF_TEXT, got %08x\n", uFmt);
 657
 658         size = DdeQueryStringA(server_pid, hsz1, str, MAX_PATH, CP_WINANSI);
 659         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 660         ok(size == 12, "Expected 12, got %d\n", size);
 661
 662         size = DdeQueryStringA(server_pid, hsz2, str, MAX_PATH, CP_WINANSI);
 663
 664         if (msg_index == 5)
 665         {
 666             todo_wine
 667             {
 668                 ok(!lstrcmpA(str, ""), "Expected empty string, got %s\n", str);
 669                 ok(size == 1, "Expected 1, got %d\n", size);
 670             }
 671         }
 672         else if (msg_index == 6)
 673         {
 674             ok(!lstrcmpA(str, "request"), "Expected request, got %s\n", str);
 675             ok(size == 7, "Expected 7, got %d\n", size);
 676         }
 677
 678         if (msg_index == 6)
 679         {
 680             lstrcpyA(str, "requested data\r\n");
 681             return DdeCreateDataHandle(server_pid, (LPBYTE)str, lstrlenA(str) + 1,
 682                                         0, hsz2, CF_TEXT, 0);
 683         }
 684
 685         return NULL;
 686     }
 687
 688     case XTYP_POKE:
 689     {
 690         ok(msg_index == 7 || msg_index == 8, "Expected 7 or 8, got %d\n", msg_index);
 691         ok(uFmt == CF_TEXT, "Expected CF_TEXT, got %d\n", uFmt);
 692         ok(hconv == conversation, "Expected conversation handle, got %p\n", hconv);
 693         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 694         ok(dwData2 == 0, "Expected 0, got %08lx\n", dwData2);
 695
 696         size = DdeQueryStringA(server_pid, hsz1, str, MAX_PATH, CP_WINANSI);
 697         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 698         ok(size == 12, "Expected 12, got %d\n", size);
 699
 700         ptr = (LPSTR)DdeAccessData(hdata, &size);
 701         ok(!lstrcmpA(ptr, "poke data\r\n"), "Expected 'poke data\\r\\n', got %s\n", ptr);
 702         ok(size == 12, "Expected 12, got %d\n", size);
 703         DdeUnaccessData(hdata);
 704
 705         size = DdeQueryStringA(server_pid, hsz2, str, MAX_PATH, CP_WINANSI);
 706         if (msg_index == 7)
 707         {
 708             todo_wine
 709             {
 710                 ok(!lstrcmpA(str, ""), "Expected empty string, got %s\n", str);
 711                 ok(size == 1, "Expected 1, got %d\n", size);
 712             }
 713         }
 714         else
 715         {
 716             ok(!lstrcmpA(str, "poke"), "Expected poke, got %s\n", str);
 717             ok(size == 4, "Expected 4, got %d\n", size);
 718         }
 719
 720         return (HDDEDATA)DDE_FACK;
 721     }
 722
 723     case XTYP_EXECUTE:
 724     {
 725         ok(msg_index == 9 || msg_index == 10, "Expected 9 or 10, got %d\n", msg_index);
 726         ok(uFmt == 0, "Expected 0, got %d\n", uFmt);
 727         ok(hconv == conversation, "Expected conversation handle, got %p\n", hconv);
 728         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 729         ok(dwData2 == 0, "Expected 0, got %08lx\n", dwData2);
 730         ok(hsz2 == 0, "Expected 0, got %p\n", hsz2);
 731
 732         size = DdeQueryStringA(server_pid, hsz1, str, MAX_PATH, CP_WINANSI);
 733         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 734         ok(size == 12, "Expected 12, got %d\n", size);
 735
 736         ptr = (LPSTR)DdeAccessData(hdata, &size);
 737
 738         if (msg_index == 9)
 739         {
 740             ok(!lstrcmpA(ptr, "[Command(Var)]"), "Expected '[Command(Var)]', got %s\n", ptr);
 741             ok(size == 15, "Expected 15, got %d\n", size);
 742             ret = (HDDEDATA)DDE_FACK;
 743         }
 744         else
 745         {
 746             ok(!lstrcmpA(ptr, "[BadCommand(Var)]"), "Expected '[BadCommand(Var)]', got %s\n", ptr);
 747             ok(size == 18, "Expected 18, got %d\n", size);
 748             ret = (HDDEDATA)DDE_FNOTPROCESSED;
 749         }
 750
 751         DdeUnaccessData(hdata);
 752
 753         return ret;
 754     }
 755
 756     case XTYP_DISCONNECT:
 757     {
 758         ok(msg_index == 11, "Expected 11, got %d\n", msg_index);
 759         ok(uFmt == 0, "Expected 0, got %d\n", uFmt);
 760         ok(hconv == conversation, "Expected conversation handle, got %p\n", hconv);
 761         ok(dwData1 == 0, "Expected 0, got %08lx\n", dwData1);
 762         ok(dwData2 == 0, "Expected 0, got %08lx\n", dwData2);
 763         ok(hsz1 == 0, "Expected 0, got %p\n", hsz2);
 764         ok(hsz2 == 0, "Expected 0, got %p\n", hsz2);
 765
 766         return 0;
 767     }
 768
 769     default:
 770         ok(FALSE, "Unhandled msg: %08x\n", uType);
 771     }
 772
 773     return 0;
 774 }
 775
 776 static void test_ddeml_server(HANDLE hproc)
 777 {
 778     MSG msg;
 779     UINT res;
 780     BOOL ret;
 781     HSZ server;
 782     HDDEDATA hdata;
 783
 784     /* set up DDE server */
 785     server_pid = 0;
 786     res = DdeInitialize(&server_pid, server_ddeml_callback, APPCLASS_STANDARD, 0);
 787     ok(res == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", res);
 788
 789     server = DdeCreateStringHandle(server_pid, "TestDDEServer", CP_WINANSI);
 790     ok(server != NULL, "Expected non-NULL string handle\n");
 791
 792     hdata = DdeNameService(server_pid, server, 0, DNS_REGISTER);
 793     ok(hdata == (HDDEDATA)TRUE, "Expected TRUE, got %p\n", hdata);
 794
 795     while (MsgWaitForMultipleObjects( 1, &hproc, FALSE, INFINITE, QS_ALLINPUT ) != 0)
 796     {
 797         while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) DispatchMessageA(&msg);
 798     }
 799     ret = DdeUninitialize(server_pid);
 800     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
 801     GetExitCodeProcess( hproc, &res );
 802     ok( !res, "client failed with %u error(s)\n", res );
 803 }
 804
 805 static HWND client_hwnd, server_hwnd;
 806 static ATOM server, topic, item;
 807 static HGLOBAL execute_hglobal;
 808
 809 static LRESULT WINAPI dde_msg_client_wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
 810 {
 811     char str[MAX_PATH];
 812     UINT_PTR lo, hi;
 813     DDEDATA *data;
 814     DDEACK *ack;
 815     DWORD size;
 816     LPSTR ptr;
 817
 818     static int msg_index = 0;
 819
 820     if (msg < WM_DDE_FIRST || msg > WM_DDE_LAST)
 821         return DefWindowProcA(hwnd, msg, wparam, lparam);
 822
 823     msg_index++;
 824
 825     switch (msg)
 826     {
 827     case WM_DDE_INITIATE:
 828     {
 829         ok(msg_index == 1, "Expected 1, got %d\n", msg_index);
 830         ok(wparam == (WPARAM)client_hwnd, "Expected client hwnd, got %08lx\n", wparam);
 831
 832         size = GlobalGetAtomNameA(LOWORD(lparam), str, MAX_PATH);
 833         ok(LOWORD(lparam) == server, "Expected server atom, got %08x\n", LOWORD(lparam));
 834         ok(!lstrcmpA(str, "TestDDEServer"), "Expected TestDDEServer, got %s\n", str);
 835         ok(size == 13, "Expected 13, got %d\n", size);
 836
 837         size = GlobalGetAtomNameA(HIWORD(lparam), str, MAX_PATH);
 838         ok(HIWORD(lparam) == topic, "Expected topic atom, got %08x\n", HIWORD(lparam));
 839         ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 840         ok(size == 12, "Expected 12, got %d\n", size);
 841
 842         break;
 843     }
 844
 845     case WM_DDE_ACK:
 846     {
 847         ok((msg_index >= 2 && msg_index <= 4) || (msg_index >= 6 && msg_index <= 10),
 848            "Expected 2, 3, 4, 6, 7, 8, 9 or 10, got %d\n", msg_index);
 849
 850         if (msg_index == 2)
 851         {
 852             server_hwnd = (HWND)wparam;
 853             ok(wparam != 0, "Expected non-NULL wparam, got %08lx\n", wparam);
 854
 855             size = GlobalGetAtomNameA(LOWORD(lparam), str, MAX_PATH);
 856             ok(LOWORD(lparam) == server, "Expected server atom, got %08x\n", LOWORD(lparam));
 857             ok(!lstrcmpA(str, "TestDDEServer"), "Expected TestDDEServer, got %s\n", str);
 858             ok(size == 13, "Expected 13, got %d\n", size);
 859
 860             size = GlobalGetAtomNameA(HIWORD(lparam), str, MAX_PATH);
 861             ok(HIWORD(lparam) == topic, "Expected topic atom, got %08x\n", HIWORD(lparam));
 862             ok(!lstrcmpA(str, "TestDDETopic"), "Expected TestDDETopic, got %s\n", str);
 863             ok(size == 12, "Expected 12, got %d\n", size);
 864         }
 865         else if (msg_index == 9 || msg_index == 10)
 866         {
 867             ok(wparam == (WPARAM)server_hwnd, "Expected server hwnd, got %08lx\n", wparam);
 868
 869             UnpackDDElParam(WM_DDE_ACK, lparam, &lo, &hi);
 870
 871             ack = (DDEACK *)&lo;
 872             ok(ack->bAppReturnCode == 0, "Expected 0, got %d\n", ack->bAppReturnCode);
 873             ok(ack->reserved == 0, "Expected 0, got %d\n", ack->reserved);
 874             ok(ack->fBusy == FALSE, "Expected FALSE, got %d\n", ack->fBusy);
 875
 876             ok(hi == (UINT_PTR)execute_hglobal, "Execpted execute hglobal, got %08lx\n", hi);
 877             ptr = GlobalLock((HGLOBAL)hi);
 878
 879             if (msg_index == 9)
 880             {
 881                 ok(ack->fAck == TRUE, "Expected TRUE, got %d\n", ack->fAck);
 882                 ok(!lstrcmpA(ptr, "[Command(Var)]"), "Expected '[Command(Var)]', got %s\n", ptr);
 883             }
 884             else
 885             {
 886                 ok(ack->fAck == FALSE, "Expected FALSE, got %d\n", ack->fAck);
 887                 ok(!lstrcmpA(ptr, "[BadCommand(Var)]"), "Expected '[BadCommand(Var)]', got %s\n", ptr);
 888             }
 889
 890             GlobalUnlock((HGLOBAL)hi);
 891         }
 892         else
 893         {
 894             ok(wparam == (WPARAM)server_hwnd, "Expected server hwnd, got %08lx\n", wparam);
 895
 896             UnpackDDElParam(WM_DDE_ACK, lparam, &lo, &hi);
 897
 898             ack = (DDEACK *)&lo;
 899             ok(ack->bAppReturnCode == 0, "Expected 0, got %d\n", ack->bAppReturnCode);
 900             ok(ack->reserved == 0, "Expected 0, got %d\n", ack->reserved);
 901             ok(ack->fBusy == FALSE, "Expected FALSE, got %d\n", ack->fBusy);
 902
 903             if (msg_index >= 7)
 904                 ok(ack->fAck == TRUE, "Expected TRUE, got %d\n", ack->fAck);
 905             else
 906             {
 907                 if (msg_index == 6) todo_wine
 908                 ok(ack->fAck == FALSE, "Expected FALSE, got %d\n", ack->fAck);
 909             }
 910
 911             size = GlobalGetAtomNameA(hi, str, MAX_PATH);
 912             if (msg_index == 3)
 913             {
 914                 ok(hi == item, "Expected item atom, got %08lx\n", hi);
 915                 ok(!lstrcmpA(str, "request"), "Expected request, got %s\n", str);
 916                 ok(size == 7, "Expected 7, got %d\n", size);
 917             }
 918             else if (msg_index == 4 || msg_index == 7)
 919             {
 920                 ok(hi == 0, "Expected 0, got %08lx\n", hi);
 921                 ok(size == 0, "Expected empty string, got %d\n", size);
 922             }
 923             else
 924             {
 925                 ok(hi == item, "Expected item atom, got %08lx\n", hi);
 926                 if (msg_index == 6) todo_wine
 927                 {
 928                     ok(!lstrcmpA(str, "poke"), "Expected poke, got %s\n", str);
 929                     ok(size == 4, "Expected 4, got %d\n", size);
 930                 }
 931             }
 932         }
 933
 934         break;
 935     }
 936
 937     case WM_DDE_DATA:
 938     {
 939         ok(msg_index == 5, "Expected 5, got %d\n", msg_index);
 940         ok(wparam == (WPARAM)server_hwnd, "Expected server hwnd, got %08lx\n", wparam);
 941
 942         UnpackDDElParam(WM_DDE_DATA, lparam, &lo, &hi);
 943
 944         data = GlobalLock((HGLOBAL)lo);
 945         ok(data->unused == 0, "Expected 0, got %d\n", data->unused);
 946         ok(data->fResponse == TRUE, "Expected TRUE, got %d\n", data->fResponse);
 947         todo_wine
 948         {
 949             ok(data->fRelease == TRUE, "Expected TRUE, got %d\n", data->fRelease);
 950         }
 951         ok(data->fAckReq == 0, "Expected 0, got %d\n", data->fAckReq);
 952         ok(data->cfFormat == CF_TEXT, "Expected CF_TEXT, got %d\n", data->cfFormat);
 953         ok(!lstrcmpA((LPSTR)data->Value, "requested data\r\n"),
 954            "Expeted 'requested data\\r\\n', got %s\n", data->Value);
 955         GlobalUnlock((HGLOBAL)lo);
 956
 957         size = GlobalGetAtomNameA(hi, str, MAX_PATH);
 958         ok(hi == item, "Expected item atom, got %08x\n", HIWORD(lparam));
 959         ok(!lstrcmpA(str, "request"), "Expected request, got %s\n", str);
 960         ok(size == 7, "Expected 7, got %d\n", size);
 961
 962         GlobalFree((HGLOBAL)lo);
 963         GlobalDeleteAtom(hi);
 964
 965         break;
 966     }
 967
 968     default:
 969         ok(FALSE, "Unhandled msg: %08x\n", msg);
 970     }
 971
 972     return DefWindowProcA(hwnd, msg, wparam, lparam);
 973 }
 974
 975 static HGLOBAL create_poke()
 976 {
 977     HGLOBAL hglobal;
 978     DDEPOKE *poke;
 979     DWORD size;
 980
 981     size = FIELD_OFFSET(DDEPOKE, Value[sizeof("poke data\r\n")]);
 982     hglobal = GlobalAlloc(GMEM_DDESHARE, size);
 983     ok(hglobal != 0, "Expected non-NULL hglobal\n");
 984
 985     poke = GlobalLock(hglobal);
 986     poke->unused = 0;
 987     poke->fRelease = TRUE;
 988     poke->fReserved = TRUE;
 989     poke->cfFormat = CF_TEXT;
 990     lstrcpyA((LPSTR)poke->Value, "poke data\r\n");
 991     GlobalUnlock(hglobal);
 992
 993     return hglobal;
 994 }
 995
 996 static HGLOBAL create_execute(LPCSTR command)
 997 {
 998     HGLOBAL hglobal;
 999     LPSTR ptr;
1000
1001     hglobal = GlobalAlloc(GMEM_DDESHARE, lstrlenA(command) + 1);
1002     ok(hglobal != 0, "Expected non-NULL hglobal\n");
1003
1004     ptr = GlobalLock(hglobal);
1005     lstrcpyA(ptr, command);
1006     GlobalUnlock(hglobal);
1007
1008     return hglobal;
1009 }
1010
1011 static void test_msg_client()
1012 {
1013     HGLOBAL hglobal;
1014     LPARAM lparam;
1015
1016     create_dde_window(&client_hwnd, "dde_client", dde_msg_client_wndproc);
1017
1018     server = GlobalAddAtomA("TestDDEServer");
1019     ok(server != 0, "Expected non-NULL server\n");
1020
1021     topic = GlobalAddAtomA("TestDDETopic");
1022     ok(topic != 0, "Expected non-NULL topic\n");
1023
1024     SendMessageA(HWND_BROADCAST, WM_DDE_INITIATE, (WPARAM)client_hwnd, MAKELONG(server, topic));
1025
1026     GlobalDeleteAtom(server);
1027     GlobalDeleteAtom(topic);
1028
1029     flush_events();
1030
1031     item = GlobalAddAtom("request");
1032     ok(item != 0, "Expected non-NULL item\n");
1033
1034     /* WM_DDE_REQUEST, bad clipboard format */
1035     lparam = PackDDElParam(WM_DDE_REQUEST, 0xdeadbeef, item);
1036     PostMessageA(server_hwnd, WM_DDE_REQUEST, (WPARAM)client_hwnd, lparam);
1037
1038     flush_events();
1039
1040     /* WM_DDE_REQUEST, no item */
1041     lparam = PackDDElParam(WM_DDE_REQUEST, CF_TEXT, 0);
1042     PostMessageA(server_hwnd, WM_DDE_REQUEST, (WPARAM)client_hwnd, lparam);
1043
1044     flush_events();
1045
1046     /* WM_DDE_REQUEST, no client hwnd */
1047     lparam = PackDDElParam(WM_DDE_REQUEST, CF_TEXT, item);
1048     PostMessageA(server_hwnd, WM_DDE_REQUEST, 0, lparam);
1049
1050     flush_events();
1051
1052     /* WM_DDE_REQUEST, correct params */
1053     lparam = PackDDElParam(WM_DDE_REQUEST, CF_TEXT, item);
1054     PostMessageA(server_hwnd, WM_DDE_REQUEST, (WPARAM)client_hwnd, lparam);
1055
1056     flush_events();
1057
1058     GlobalDeleteAtom(item);
1059     item = GlobalAddAtomA("poke");
1060     ok(item != 0, "Expected non-NULL item\n");
1061
1062     hglobal = create_poke();
1063
1064     /* WM_DDE_POKE, no ddepoke */
1065     lparam = PackDDElParam(WM_DDE_POKE, 0, item);
1066     PostMessageA(server_hwnd, WM_DDE_POKE, (WPARAM)client_hwnd, lparam);
1067
1068     flush_events();
1069
1070     /* WM_DDE_POKE, no item */
1071     lparam = PackDDElParam(WM_DDE_POKE, (UINT_PTR)hglobal, 0);
1072     PostMessageA(server_hwnd, WM_DDE_POKE, (WPARAM)client_hwnd, lparam);
1073
1074     flush_events();
1075
1076     hglobal = create_poke();
1077
1078     /* WM_DDE_POKE, no client hwnd */
1079     lparam = PackDDElParam(WM_DDE_POKE, (UINT_PTR)hglobal, item);
1080     PostMessageA(server_hwnd, WM_DDE_POKE, 0, lparam);
1081
1082     flush_events();
1083
1084     /* WM_DDE_POKE, all params correct */
1085     lparam = PackDDElParam(WM_DDE_POKE, (UINT_PTR)hglobal, item);
1086     PostMessageA(server_hwnd, WM_DDE_POKE, (WPARAM)client_hwnd, lparam);
1087
1088     flush_events();
1089
1090     execute_hglobal = create_execute("[Command(Var)]");
1091
1092     /* WM_DDE_EXECUTE, no lparam */
1093     PostMessageA(server_hwnd, WM_DDE_EXECUTE, (WPARAM)client_hwnd, 0);
1094
1095     flush_events();
1096
1097     /* WM_DDE_EXECUTE, no hglobal */
1098     lparam = PackDDElParam(WM_DDE_EXECUTE, 0, 0);
1099     PostMessageA(server_hwnd, WM_DDE_EXECUTE, (WPARAM)client_hwnd, lparam);
1100
1101     flush_events();
1102
1103     /* WM_DDE_EXECUTE, no client hwnd */
1104     lparam = PackDDElParam(WM_DDE_EXECUTE, 0, (UINT_PTR)execute_hglobal);
1105     PostMessageA(server_hwnd, WM_DDE_EXECUTE, 0, lparam);
1106
1107     flush_events();
1108
1109     /* WM_DDE_EXECUTE, all params correct */
1110     lparam = PackDDElParam(WM_DDE_EXECUTE, 0, (UINT_PTR)execute_hglobal);
1111     PostMessageA(server_hwnd, WM_DDE_EXECUTE, (WPARAM)client_hwnd, lparam);
1112
1113     flush_events();
1114
1115     GlobalFree(execute_hglobal);
1116     execute_hglobal = create_execute("[BadCommand(Var)]");
1117
1118     /* WM_DDE_EXECUTE that will get rejected */
1119     lparam = PackDDElParam(WM_DDE_EXECUTE, 0, (UINT_PTR)execute_hglobal);
1120     PostMessageA(server_hwnd, WM_DDE_EXECUTE, (WPARAM)client_hwnd, lparam);
1121
1122     flush_events();
1123
1124     DestroyWindow(client_hwnd);
1125 }
1126
1127 static LRESULT WINAPI hook_dde_client_wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
1128 {
1129     UINT_PTR lo, hi;
1130
1131     trace("hook_dde_client_wndproc: %p %04x %08lx %08lx\n", hwnd, msg, wparam, lparam);
1132
1133     switch (msg)
1134     {
1135     case WM_DDE_ACK:
1136         UnpackDDElParam(WM_DDE_ACK, lparam, &lo, &hi);
1137         trace("WM_DDE_ACK: status %04lx hglobal %p\n", lo, (HGLOBAL)hi);
1138         break;
1139
1140     default:
1141         break;
1142     }
1143     return CallWindowProcA(old_dde_client_wndproc, hwnd, msg, wparam, lparam);
1144 }
1145
1146 static LRESULT WINAPI dde_server_wndprocW(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
1147 {
1148     trace("dde_server_wndprocW: %p %04x %08lx %08lx\n", hwnd, msg, wparam, lparam);
1149
1150     switch (msg)
1151     {
1152     case WM_DDE_INITIATE:
1153     {
1154         ATOM aService = GlobalAddAtomW(TEST_DDE_SERVICE);
1155
1156         trace("server: got WM_DDE_INITIATE from %p with %08lx\n", (HWND)wparam, lparam);
1157
1158         if (LOWORD(lparam) == aService)
1159         {
1160             ok(!IsWindowUnicode((HWND)wparam), "client should be an ANSI window\n");
1161             old_dde_client_wndproc = (WNDPROC)SetWindowLongPtrA((HWND)wparam, GWLP_WNDPROC, (ULONG_PTR)hook_dde_client_wndproc);
1162             trace("server: sending WM_DDE_ACK to %p\n", (HWND)wparam);
1163             SendMessageW((HWND)wparam, WM_DDE_ACK, (WPARAM)hwnd, MAKELPARAM(aService, 0));
1164         }
1165         else
1166             GlobalDeleteAtom(aService);
1167         return 0;
1168     }
1169
1170     case WM_DDE_EXECUTE:
1171     {
1172         DDEACK ack;
1173         WORD status;
1174         LPCSTR cmd;
1175         UINT_PTR lo, hi;
1176
1177         trace("server: got WM_DDE_EXECUTE from %p with %08lx\n", (HWND)wparam, lparam);
1178
1179         UnpackDDElParam(WM_DDE_EXECUTE, lparam, &lo, &hi);
1180         trace("%08lx => lo %04lx hi %04lx\n", lparam, lo, hi);
1181
1182         ack.bAppReturnCode = 0;
1183         ack.reserved = 0;
1184         ack.fBusy = 0;
1185
1186         cmd = GlobalLock((HGLOBAL)hi);
1187
1188         if (!cmd || (lstrcmpA(cmd, exec_cmdA) && lstrcmpW((LPCWSTR)cmd, exec_cmdW)))
1189         {
1190             trace("ignoring unknown WM_DDE_EXECUTE command\n");
1191             /* We have to send a negative acknowledge even if we don't
1192              * accept the command, otherwise Windows goes mad and next time
1193              * we send an acknowledge DDEML drops the connection.
1194              * Not sure how to call it: a bug or a feature.
1195              */
1196             ack.fAck = 0;
1197         }
1198         else
1199             ack.fAck = 1;
1200         GlobalUnlock((HGLOBAL)hi);
1201
1202         trace("server: posting %s WM_DDE_ACK to %p\n", ack.fAck ? "POSITIVE" : "NEGATIVE", (HWND)wparam);
1203
1204         status = *((WORD *)&ack);
1205         lparam = ReuseDDElParam(lparam, WM_DDE_EXECUTE, WM_DDE_ACK, status, hi);
1206
1207         PostMessageW((HWND)wparam, WM_DDE_ACK, (WPARAM)hwnd, lparam);
1208         return 0;
1209     }
1210
1211     case WM_DDE_TERMINATE:
1212     {
1213         DDEACK ack;
1214         WORD status;
1215
1216         trace("server: got WM_DDE_TERMINATE from %p with %08lx\n", (HWND)wparam, lparam);
1217
1218         ack.bAppReturnCode = 0;
1219         ack.reserved = 0;
1220         ack.fBusy = 0;
1221         ack.fAck = 1;
1222
1223         trace("server: posting %s WM_DDE_ACK to %p\n", ack.fAck ? "POSITIVE" : "NEGATIVE", (HWND)wparam);
1224
1225         status = *((WORD *)&ack);
1226         lparam = PackDDElParam(WM_DDE_ACK, status, 0);
1227
1228         PostMessageW((HWND)wparam, WM_DDE_ACK, (WPARAM)hwnd, lparam);
1229         return 0;
1230     }
1231
1232     default:
1233         break;
1234     }
1235
1236     return DefWindowProcW(hwnd, msg, wparam, lparam);
1237 }
1238
1239 static LRESULT WINAPI dde_client_wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
1240 {
1241     return DefWindowProcA(hwnd, msg, wparam, lparam);
1242 }
1243
1244 static BOOL create_dde_windows(HWND *client, HWND *server)
1245 {
1246     WNDCLASSA wcA;
1247     WNDCLASSW wcW;
1248     static const WCHAR server_class_name[] = {'d','d','e','_','s','e','r','v','e','r','_','w','i','n','d','o','w',0};
1249     static const char client_class_name[] = "dde_client_window";
1250
1251     memset(&wcW, 0, sizeof(wcW));
1252     wcW.lpfnWndProc = dde_server_wndprocW;
1253     wcW.lpszClassName = server_class_name;
1254     wcW.hInstance = GetModuleHandleA(0);
1255     if (!RegisterClassW(&wcW)) return FALSE;
1256
1257     memset(&wcA, 0, sizeof(wcA));
1258     wcA.lpfnWndProc = dde_client_wndproc;
1259     wcA.lpszClassName = client_class_name;
1260     wcA.hInstance = GetModuleHandleA(0);
1261     assert(RegisterClassA(&wcA));
1262
1263     *server = CreateWindowExW(0, server_class_name, NULL,
1264                               WS_POPUP,
1265                               100, 100, CW_USEDEFAULT, CW_USEDEFAULT,
1266                               GetDesktopWindow(), 0,
1267                               GetModuleHandleA(0), NULL);
1268     assert(*server);
1269
1270     *client = CreateWindowExA(0, client_class_name, NULL,
1271                               WS_POPUP,
1272                               100, 100, CW_USEDEFAULT, CW_USEDEFAULT,
1273                               GetDesktopWindow(), 0,
1274                               GetModuleHandleA(0), NULL);
1275     assert(*client);
1276
1277     trace("server hwnd %p, client hwnd %p\n", *server, *client);
1278
1279     ok(IsWindowUnicode(*server), "server has to be a unicode window\n");
1280     ok(!IsWindowUnicode(*client), "client has to be an ANSI window\n");
1281
1282     return TRUE;
1283 }
1284
1285 static HDDEDATA CALLBACK client_dde_callback(UINT uType, UINT uFmt, HCONV hconv,
1286                                      HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
1287                                      ULONG_PTR dwData1, ULONG_PTR dwData2)
1288 {
1289     static const char * const cmd_type[15] = {
1290         "XTYP_ERROR", "XTYP_ADVDATA", "XTYP_ADVREQ", "XTYP_ADVSTART",
1291         "XTYP_ADVSTOP", "XTYP_EXECUTE", "XTYP_CONNECT", "XTYP_CONNECT_CONFIRM",
1292         "XTYP_XACT_COMPLETE", "XTYP_POKE", "XTYP_REGISTER", "XTYP_REQUEST",
1293         "XTYP_DISCONNECT", "XTYP_UNREGISTER", "XTYP_WILDCONNECT" };
1294     UINT type;
1295     const char *cmd_name;
1296
1297     type = (uType & XTYP_MASK) >> XTYP_SHIFT;
1298     cmd_name = (type <= 14) ? cmd_type[type] : "unknown";
1299
1300     trace("client_dde_callback: %04x (%s) %d %p %p %p %p %08lx %08lx\n",
1301           uType, cmd_name, uFmt, hconv, hsz1, hsz2, hdata, dwData1, dwData2);
1302     return 0;
1303 }
1304
1305 static void test_dde_aw_transaction(void)
1306 {
1307     HSZ hsz_server;
1308     DWORD dde_inst, ret, err;
1309     HCONV hconv;
1310     HWND hwnd_client, hwnd_server;
1311     CONVINFO info;
1312     HDDEDATA hdata;
1313     static char test_cmd[] = "test dde command";
1314
1315     /* server: unicode, client: ansi */
1316     if (!create_dde_windows(&hwnd_client, &hwnd_server)) return;
1317
1318     dde_inst = 0;
1319     ret = DdeInitializeA(&dde_inst, client_dde_callback, APPCMD_CLIENTONLY, 0);
1320     ok(ret == DMLERR_NO_ERROR, "DdeInitializeW failed with error %04x (%x)\n",
1321        ret, DdeGetLastError(dde_inst));
1322
1323     hsz_server = DdeCreateStringHandleW(dde_inst, TEST_DDE_SERVICE, CP_WINUNICODE);
1324
1325     hconv = DdeConnect(dde_inst, hsz_server, 0, NULL);
1326     ok(hconv != 0, "DdeConnect error %x\n", DdeGetLastError(dde_inst));
1327     err = DdeGetLastError(dde_inst);
1328     ok(err == DMLERR_NO_ERROR, "wrong dde error %x\n", err);
1329
1330     info.cb = sizeof(info);
1331     ret = DdeQueryConvInfo(hconv, QID_SYNC, &info);
1332     ok(ret, "wrong info size %d, DdeQueryConvInfo error %x\n", ret, DdeGetLastError(dde_inst));
1333     /* should be CP_WINANSI since we used DdeInitializeA */
1334     ok(info.ConvCtxt.iCodePage == CP_WINANSI, "wrong iCodePage %d\n", info.ConvCtxt.iCodePage);
1335     ok(!info.hConvPartner, "unexpected info.hConvPartner: %p\n", info.hConvPartner);
1336 todo_wine {
1337     ok((info.wStatus & DDE_FACK), "unexpected info.wStatus: %04x\n", info.wStatus);
1338 }
1339     ok((info.wStatus & (ST_CONNECTED | ST_CLIENT)) == (ST_CONNECTED | ST_CLIENT), "unexpected info.wStatus: %04x\n", info.wStatus);
1340     ok(info.wConvst == XST_CONNECTED, "unexpected info.wConvst: %04x\n", info.wConvst);
1341     ok(info.wType == 0, "unexpected info.wType: %04x\n", info.wType);
1342
1343     trace("hwnd %p, hwndPartner %p\n", info.hwnd, info.hwndPartner);
1344
1345     trace("sending test client transaction command\n");
1346     ret = 0xdeadbeef;
1347     hdata = DdeClientTransaction((LPBYTE)test_cmd, strlen(test_cmd) + 1, hconv, (HSZ)0xdead, 0xbeef, XTYP_EXECUTE, 1000, &ret);
1348     ok(!hdata, "DdeClientTransaction succeeded\n");
1349     ok(ret == DDE_FNOTPROCESSED, "wrong status code %04x\n", ret);
1350     err = DdeGetLastError(dde_inst);
1351     ok(err == DMLERR_NOTPROCESSED, "wrong dde error %x\n", err);
1352
1353     trace("sending ANSI client transaction command\n");
1354     ret = 0xdeadbeef;
1355     hdata = DdeClientTransaction((LPBYTE)exec_cmdA, lstrlenA(exec_cmdA) + 1, hconv, 0, 0, XTYP_EXECUTE, 1000, &ret);
1356     ok(hdata != 0, "DdeClientTransaction returned %p, error %x\n", hdata, DdeGetLastError(dde_inst));
1357     ok(ret == DDE_FACK, "wrong status code %04x\n", ret);
1358
1359     err = DdeGetLastError(dde_inst);
1360     ok(err == DMLERR_NO_ERROR, "wrong dde error %x\n", err);
1361
1362     trace("sending unicode client transaction command\n");
1363     ret = 0xdeadbeef;
1364     hdata = DdeClientTransaction((LPBYTE)exec_cmdW, (lstrlenW(exec_cmdW) + 1) * sizeof(WCHAR), hconv, 0, 0, XTYP_EXECUTE, 1000, &ret);
1365     ok(hdata != 0, "DdeClientTransaction returned %p, error %x\n", hdata, DdeGetLastError(dde_inst));
1366     ok(ret == DDE_FACK, "wrong status code %04x\n", ret);
1367     err = DdeGetLastError(dde_inst);
1368     ok(err == DMLERR_NO_ERROR, "wrong dde error %x\n", err);
1369
1370     ok(DdeDisconnect(hconv), "DdeDisconnect error %x\n", DdeGetLastError(dde_inst));
1371
1372     info.cb = sizeof(info);
1373     ret = DdeQueryConvInfo(hconv, QID_SYNC, &info);
1374     ok(!ret, "DdeQueryConvInfo should fail\n");
1375     err = DdeGetLastError(dde_inst);
1376 todo_wine {
1377     ok(err == DMLERR_INVALIDPARAMETER, "wrong dde error %x\n", err);
1378 }
1379
1380     ok(DdeFreeStringHandle(dde_inst, hsz_server), "DdeFreeStringHandle error %x\n", DdeGetLastError(dde_inst));
1381
1382     /* This call hangs on win2k SP4 and XP SP1.
1383     DdeUninitialize(dde_inst);*/
1384
1385     DestroyWindow(hwnd_client);
1386     DestroyWindow(hwnd_server);
1387 }
1388
1389 static void test_DdeCreateStringHandleW(DWORD dde_inst, int codepage)
1390 {
1391     static const WCHAR dde_string[] = {'D','D','E',' ','S','t','r','i','n','g',0};
1392     HSZ str_handle;
1393     WCHAR bufW[256];
1394     char buf[256];
1395     ATOM atom;
1396     int ret;
1397
1398     str_handle = DdeCreateStringHandleW(dde_inst, dde_string, codepage);
1399     ok(str_handle != 0, "DdeCreateStringHandleW failed with error %08x\n",
1400        DdeGetLastError(dde_inst));
1401
1402     ret = DdeQueryStringW(dde_inst, str_handle, NULL, 0, codepage);
1403     if (codepage == CP_WINANSI)
1404         ok(ret == 1, "DdeQueryStringW returned wrong length %d\n", ret);
1405     else
1406         ok(ret == lstrlenW(dde_string), "DdeQueryStringW returned wrong length %d\n", ret);
1407
1408     ret = DdeQueryStringW(dde_inst, str_handle, bufW, 256, codepage);
1409     if (codepage == CP_WINANSI)
1410     {
1411         ok(ret == 1, "DdeQueryStringW returned wrong length %d\n", ret);
1412         ok(!lstrcmpA("D", (LPCSTR)bufW), "DdeQueryStringW returned wrong string\n");
1413     }
1414     else
1415     {
1416         ok(ret == lstrlenW(dde_string), "DdeQueryStringW returned wrong length %d\n", ret);
1417         ok(!lstrcmpW(dde_string, bufW), "DdeQueryStringW returned wrong string\n");
1418     }
1419
1420     ret = DdeQueryStringA(dde_inst, str_handle, buf, 256, CP_WINANSI);
1421     if (codepage == CP_WINANSI)
1422     {
1423         ok(ret == 1, "DdeQueryStringA returned wrong length %d\n", ret);
1424         ok(!lstrcmpA("D", buf), "DdeQueryStringW returned wrong string\n");
1425     }
1426     else
1427     {
1428         ok(ret == lstrlenA("DDE String"), "DdeQueryStringA returned wrong length %d\n", ret);
1429         ok(!lstrcmpA("DDE String", buf), "DdeQueryStringA returned wrong string %s\n", buf);
1430     }
1431
1432     ret = DdeQueryStringA(dde_inst, str_handle, buf, 256, CP_WINUNICODE);
1433     if (codepage == CP_WINANSI)
1434     {
1435         ok(ret == 1, "DdeQueryStringA returned wrong length %d\n", ret);
1436         ok(!lstrcmpA("D", buf), "DdeQueryStringA returned wrong string %s\n", buf);
1437     }
1438     else
1439     {
1440         ok(ret == lstrlenA("DDE String"), "DdeQueryStringA returned wrong length %d\n", ret);
1441         ok(!lstrcmpW(dde_string, (LPCWSTR)buf), "DdeQueryStringW returned wrong string\n");
1442     }
1443
1444     if (codepage == CP_WINANSI)
1445     {
1446         atom = FindAtomA((LPSTR)dde_string);
1447         ok(atom != 0, "Expected a valid atom\n");
1448
1449         SetLastError(0xdeadbeef);
1450         atom = GlobalFindAtomA((LPSTR)dde_string);
1451         ok(atom == 0, "Expected 0, got %d\n", atom);
1452         ok(GetLastError() == ERROR_FILE_NOT_FOUND,
1453            "Expected ERROR_FILE_NOT_FOUND, got %d\n", GetLastError());
1454     }
1455     else
1456     {
1457         atom = FindAtomW(dde_string);
1458         ok(atom != 0, "Expected a valid atom\n");
1459
1460         SetLastError(0xdeadbeef);
1461         atom = GlobalFindAtomW(dde_string);
1462         ok(atom == 0, "Expected 0, got %d\n", atom);
1463         ok(GetLastError() == ERROR_FILE_NOT_FOUND,
1464            "Expected ERROR_FILE_NOT_FOUND, got %d\n", GetLastError());
1465     }
1466
1467     ok(DdeFreeStringHandle(dde_inst, str_handle), "DdeFreeStringHandle failed\n");
1468 }
1469
1470 static void test_DdeCreateDataHandle(void)
1471 {
1472     HDDEDATA hdata;
1473     DWORD dde_inst;
1474     DWORD size;
1475     UINT res, err;
1476     BOOL ret;
1477     HSZ item;
1478     LPBYTE ptr;
1479
1480     dde_inst = 0;
1481     res = DdeInitializeA(&dde_inst, client_ddeml_callback, APPCMD_CLIENTONLY, 0);
1482     ok(res == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", res);
1483
1484     item = DdeCreateStringHandleA(dde_inst, "item", CP_WINANSI);
1485     ok(item != NULL, "Expected non-NULL hsz\n");
1486
1487     /* invalid instance id */
1488     DdeGetLastError(dde_inst);
1489     hdata = DdeCreateDataHandle(0xdeadbeef, (LPBYTE)"data", MAX_PATH, 0, item, CF_TEXT, 0);
1490     err = DdeGetLastError(dde_inst);
1491     todo_wine
1492     {
1493         ok(hdata == NULL, "Expected NULL, got %p\n", hdata);
1494         ok(err == DMLERR_INVALIDPARAMETER,
1495            "Expected DMLERR_INVALIDPARAMETER, got %d\n", err);
1496     }
1497
1498     /* 0 instance id */
1499     DdeGetLastError(dde_inst);
1500     hdata = DdeCreateDataHandle(0, (LPBYTE)"data", MAX_PATH, 0, item, CF_TEXT, 0);
1501     err = DdeGetLastError(dde_inst);
1502     todo_wine
1503     {
1504         ok(hdata == NULL, "Expected NULL, got %p\n", hdata);
1505         ok(err == DMLERR_INVALIDPARAMETER,
1506            "Expected DMLERR_INVALIDPARAMETER, got %d\n", err);
1507     }
1508
1509     /* NULL pSrc */
1510     DdeGetLastError(dde_inst);
1511     hdata = DdeCreateDataHandle(dde_inst, NULL, MAX_PATH, 0, item, CF_TEXT, 0);
1512     err = DdeGetLastError(dde_inst);
1513     ok(hdata != NULL, "Expected non-NULL hdata\n");
1514     ok(err == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", err);
1515
1516     ptr = GlobalLock(hdata);
1517     todo_wine
1518     {
1519         ok(ptr == NULL, "Expected NULL, got %p\n", ptr);
1520     }
1521
1522     ptr = DdeAccessData(hdata, &size);
1523     ok(ptr != NULL, "Expected non-NULL ptr\n");
1524     ok(size == 260, "Expected 260, got %d\n", size);
1525
1526     ret = DdeUnaccessData(hdata);
1527     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1528
1529     ret = DdeFreeDataHandle(hdata);
1530     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1531
1532     /* cb is zero */
1533     DdeGetLastError(dde_inst);
1534     hdata = DdeCreateDataHandle(dde_inst, (LPBYTE)"data", 0, 0, item, CF_TEXT, 0);
1535     err = DdeGetLastError(dde_inst);
1536     ok(hdata != NULL, "Expected non-NULL hdata\n");
1537     ok(err == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", err);
1538
1539     ptr = GlobalLock(hdata);
1540     todo_wine
1541     {
1542         ok(ptr == NULL, "Expected NULL, got %p\n", ptr);
1543     }
1544
1545     ptr = DdeAccessData(hdata, &size);
1546     ok(ptr != NULL, "Expected non-NULL ptr\n");
1547     ok(size == 0, "Expected 0, got %d\n", size);
1548
1549     ret = DdeUnaccessData(hdata);
1550     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1551
1552     ret = DdeFreeDataHandle(hdata);
1553     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1554
1555     /* cbOff is non-zero */
1556     DdeGetLastError(dde_inst);
1557     hdata = DdeCreateDataHandle(dde_inst, (LPBYTE)"data", MAX_PATH, 2, item, CF_TEXT, 0);
1558     err = DdeGetLastError(dde_inst);
1559     ok(hdata != NULL, "Expected non-NULL hdata\n");
1560     ok(err == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", err);
1561
1562     ptr = GlobalLock(hdata);
1563     todo_wine
1564     {
1565         ok(ptr == NULL, "Expected NULL, got %p\n", ptr);
1566     }
1567
1568     ptr = DdeAccessData(hdata, &size);
1569     ok(ptr != NULL, "Expected non-NULL ptr\n");
1570     ok(size == 262, "Expected 262, got %d\n", size);
1571     todo_wine
1572     {
1573         ok(lstrlenA((LPSTR)ptr) == 0, "Expected 0, got %d\n", lstrlenA((LPSTR)ptr));
1574     }
1575
1576     ret = DdeUnaccessData(hdata);
1577     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1578
1579     ret = DdeFreeDataHandle(hdata);
1580     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1581
1582     /* NULL item */
1583     DdeGetLastError(dde_inst);
1584     hdata = DdeCreateDataHandle(dde_inst, (LPBYTE)"data", MAX_PATH, 0, 0, CF_TEXT, 0);
1585     err = DdeGetLastError(dde_inst);
1586     ok(hdata != NULL, "Expected non-NULL hdata\n");
1587     ok(err == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", err);
1588
1589     ptr = GlobalLock(hdata);
1590     todo_wine
1591     {
1592         ok(ptr == NULL, "Expected NULL, got %p\n", ptr);
1593     }
1594
1595     ptr = DdeAccessData(hdata, &size);
1596     ok(ptr != NULL, "Expected non-NULL ptr\n");
1597     ok(!lstrcmpA((LPSTR)ptr, "data"), "Expected data, got %s\n", ptr);
1598     ok(size == 260, "Expected 260, got %d\n", size);
1599
1600     ret = DdeUnaccessData(hdata);
1601     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1602
1603     ret = DdeFreeDataHandle(hdata);
1604     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1605
1606     /* NULL item */
1607     DdeGetLastError(dde_inst);
1608     hdata = DdeCreateDataHandle(dde_inst, (LPBYTE)"data", MAX_PATH, 0, (HSZ)0xdeadbeef, CF_TEXT, 0);
1609     err = DdeGetLastError(dde_inst);
1610     ok(hdata != NULL, "Expected non-NULL hdata\n");
1611     ok(err == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", err);
1612
1613     ptr = GlobalLock(hdata);
1614     todo_wine
1615     {
1616         ok(ptr == NULL, "Expected NULL, got %p\n", ptr);
1617     }
1618
1619     ptr = DdeAccessData(hdata, &size);
1620     ok(ptr != NULL, "Expected non-NULL ptr\n");
1621     ok(!lstrcmpA((LPSTR)ptr, "data"), "Expected data, got %s\n", ptr);
1622     ok(size == 260, "Expected 260, got %d\n", size);
1623
1624     ret = DdeUnaccessData(hdata);
1625     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1626
1627     ret = DdeFreeDataHandle(hdata);
1628     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1629
1630     /* invalid clipboard format */
1631     DdeGetLastError(dde_inst);
1632     hdata = DdeCreateDataHandle(dde_inst, (LPBYTE)"data", MAX_PATH, 0, item, 0xdeadbeef, 0);
1633     err = DdeGetLastError(dde_inst);
1634     ok(hdata != NULL, "Expected non-NULL hdata\n");
1635     ok(err == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", err);
1636
1637     ptr = GlobalLock(hdata);
1638     todo_wine
1639     {
1640         ok(ptr == NULL, "Expected NULL, got %p\n", ptr);
1641     }
1642
1643     ptr = DdeAccessData(hdata, &size);
1644     ok(ptr != NULL, "Expected non-NULL ptr\n");
1645     ok(!lstrcmpA((LPSTR)ptr, "data"), "Expected data, got %s\n", ptr);
1646     ok(size == 260, "Expected 260, got %d\n", size);
1647
1648     ret = DdeUnaccessData(hdata);
1649     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1650
1651     ret = DdeFreeDataHandle(hdata);
1652     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1653
1654     ret = DdeUninitialize(dde_inst);
1655     ok(res == DMLERR_NO_ERROR, "Expected DMLERR_NO_ERROR, got %d\n", res);
1656 }
1657
1658 static void test_DdeCreateStringHandle(void)
1659 {
1660     DWORD dde_inst, ret;
1661
1662     dde_inst = 0xdeadbeef;
1663     SetLastError(0xdeadbeef);
1664     ret = DdeInitializeW(&dde_inst, client_ddeml_callback, APPCMD_CLIENTONLY, 0);
1665     if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
1666     {
1667         trace("Skipping the DDE test on a Win9x platform\n");
1668         return;
1669     }
1670
1671     ok(ret == DMLERR_INVALIDPARAMETER, "DdeInitializeW should fail, but got %04x instead\n", ret);
1672     ok(DdeGetLastError(dde_inst) == DMLERR_INVALIDPARAMETER, "expected DMLERR_INVALIDPARAMETER\n");
1673
1674     dde_inst = 0;
1675     ret = DdeInitializeW(&dde_inst, client_ddeml_callback, APPCMD_CLIENTONLY, 0);
1676     ok(ret == DMLERR_NO_ERROR, "DdeInitializeW failed with error %04x (%08x)\n",
1677        ret, DdeGetLastError(dde_inst));
1678
1679     test_DdeCreateStringHandleW(dde_inst, 0);
1680     test_DdeCreateStringHandleW(dde_inst, CP_WINUNICODE);
1681     test_DdeCreateStringHandleW(dde_inst, CP_WINANSI);
1682
1683     ok(DdeUninitialize(dde_inst), "DdeUninitialize failed\n");
1684 }
1685
1686 static void test_FreeDDElParam(void)
1687 {
1688     HGLOBAL val, hglobal;
1689     BOOL ret;
1690
1691     ret = FreeDDElParam(WM_DDE_INITIATE, (LPARAM)NULL);
1692     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1693
1694     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1695     ret = FreeDDElParam(WM_DDE_INITIATE, (LPARAM)hglobal);
1696     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1697     val = GlobalFree(hglobal);
1698     ok(val == NULL, "Expected NULL, got %p\n", val);
1699
1700     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1701     ret = FreeDDElParam(WM_DDE_ADVISE, (LPARAM)hglobal);
1702     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1703     val = GlobalFree(hglobal);
1704     ok(val == hglobal, "Expected hglobal, got %p\n", val);
1705     ok(GetLastError() == ERROR_INVALID_HANDLE,
1706        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1707
1708     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1709     ret = FreeDDElParam(WM_DDE_UNADVISE, (LPARAM)hglobal);
1710     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1711     val = GlobalFree(hglobal);
1712     ok(val == NULL, "Expected NULL, got %p\n", val);
1713
1714     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1715     ret = FreeDDElParam(WM_DDE_ACK, (LPARAM)hglobal);
1716     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1717     val = GlobalFree(hglobal);
1718     ok(val == hglobal, "Expected hglobal, got %p\n", val);
1719     ok(GetLastError() == ERROR_INVALID_HANDLE,
1720        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1721
1722     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1723     ret = FreeDDElParam(WM_DDE_DATA, (LPARAM)hglobal);
1724     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1725     val = GlobalFree(hglobal);
1726     ok(val == hglobal, "Expected hglobal, got %p\n", val);
1727     ok(GetLastError() == ERROR_INVALID_HANDLE,
1728        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1729
1730     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1731     ret = FreeDDElParam(WM_DDE_REQUEST, (LPARAM)hglobal);
1732     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1733     val = GlobalFree(hglobal);
1734     ok(val == NULL, "Expected NULL, got %p\n", val);
1735
1736     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1737     ret = FreeDDElParam(WM_DDE_POKE, (LPARAM)hglobal);
1738     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1739     val = GlobalFree(hglobal);
1740     ok(val == hglobal, "Expected hglobal, got %p\n", val);
1741     ok(GetLastError() == ERROR_INVALID_HANDLE,
1742        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1743
1744     hglobal = GlobalAlloc(GMEM_DDESHARE, 100);
1745     ret = FreeDDElParam(WM_DDE_EXECUTE, (LPARAM)hglobal);
1746     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1747     val = GlobalFree(hglobal);
1748     ok(val == NULL, "Expected NULL, got %p\n", val);
1749 }
1750
1751 static void test_PackDDElParam(void)
1752 {
1753     UINT_PTR lo, hi, *ptr;
1754     HGLOBAL hglobal;
1755     LPARAM lparam;
1756     BOOL ret;
1757
1758     lparam = PackDDElParam(WM_DDE_INITIATE, 0xcafe, 0xbeef);
1759     ok(lparam == 0xbeefcafe, "Expected 0xbeefcafe, got %08lx\n", lparam);
1760     ok(GlobalLock((HGLOBAL)lparam) == NULL,
1761        "Expected NULL, got %p\n", GlobalLock((HGLOBAL)lparam));
1762     ok(GetLastError() == ERROR_INVALID_HANDLE,
1763        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1764
1765     lo = hi = 0;
1766     ret = UnpackDDElParam(WM_DDE_INITIATE, lparam, &lo, &hi);
1767     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1768     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1769     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1770
1771     ret = FreeDDElParam(WM_DDE_INITIATE, lparam);
1772     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1773
1774     lparam = PackDDElParam(WM_DDE_TERMINATE, 0xcafe, 0xbeef);
1775     ok(lparam == 0xbeefcafe, "Expected 0xbeefcafe, got %08lx\n", lparam);
1776     ok(GlobalLock((HGLOBAL)lparam) == NULL,
1777        "Expected NULL, got %p\n", GlobalLock((HGLOBAL)lparam));
1778     ok(GetLastError() == ERROR_INVALID_HANDLE,
1779        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1780
1781     lo = hi = 0;
1782     ret = UnpackDDElParam(WM_DDE_TERMINATE, lparam, &lo, &hi);
1783     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1784     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1785     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1786
1787     ret = FreeDDElParam(WM_DDE_TERMINATE, lparam);
1788     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1789
1790     lparam = PackDDElParam(WM_DDE_ADVISE, 0xcafe, 0xbeef);
1791     ptr = GlobalLock((HGLOBAL)lparam);
1792     ok(ptr != NULL, "Expected non-NULL ptr\n");
1793     ok(ptr[0] == 0xcafe, "Expected 0xcafe, got %08lx\n", ptr[0]);
1794     ok(ptr[1] == 0xbeef, "Expected 0xbeef, got %08lx\n", ptr[1]);
1795
1796     ret = GlobalUnlock((HGLOBAL)lparam);
1797     ok(ret == 1, "Expected 1, got %d\n", ret);
1798
1799     lo = hi = 0;
1800     ret = UnpackDDElParam(WM_DDE_ADVISE, lparam, &lo, &hi);
1801     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1802     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1803     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1804
1805     ret = FreeDDElParam(WM_DDE_ADVISE, lparam);
1806     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1807
1808     hglobal = GlobalFree((HGLOBAL)lparam);
1809     ok(hglobal == (HGLOBAL)lparam, "Expected lparam, got %d\n", ret);
1810     ok(GetLastError() == ERROR_INVALID_HANDLE,
1811        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1812
1813     lparam = PackDDElParam(WM_DDE_UNADVISE, 0xcafe, 0xbeef);
1814     ok(lparam == 0xbeefcafe, "Expected 0xbeefcafe, got %08lx\n", lparam);
1815     ok(GlobalLock((HGLOBAL)lparam) == NULL,
1816        "Expected NULL, got %p\n", GlobalLock((HGLOBAL)lparam));
1817     ok(GetLastError() == ERROR_INVALID_HANDLE,
1818        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1819
1820     lo = hi = 0;
1821     ret = UnpackDDElParam(WM_DDE_UNADVISE, lparam, &lo, &hi);
1822     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1823     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1824     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1825
1826     ret = FreeDDElParam(WM_DDE_UNADVISE, lparam);
1827     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1828
1829     lparam = PackDDElParam(WM_DDE_ACK, 0xcafe, 0xbeef);
1830     ptr = GlobalLock((HGLOBAL)lparam);
1831     ok(ptr != NULL, "Expected non-NULL ptr\n");
1832     ok(ptr[0] == 0xcafe, "Expected 0xcafe, got %08lx\n", ptr[0]);
1833     ok(ptr[1] == 0xbeef, "Expected 0xbeef, got %08lx\n", ptr[1]);
1834
1835     ret = GlobalUnlock((HGLOBAL)lparam);
1836     ok(ret == 1, "Expected 1, got %d\n", ret);
1837
1838     lo = hi = 0;
1839     ret = UnpackDDElParam(WM_DDE_ACK, lparam, &lo, &hi);
1840     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1841     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1842     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1843
1844     ret = FreeDDElParam(WM_DDE_ACK, lparam);
1845     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1846
1847     hglobal = GlobalFree((HGLOBAL)lparam);
1848     ok(hglobal == (HGLOBAL)lparam, "Expected lparam, got %d\n", ret);
1849     ok(GetLastError() == ERROR_INVALID_HANDLE,
1850        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1851
1852     lparam = PackDDElParam(WM_DDE_DATA, 0xcafe, 0xbeef);
1853     ptr = GlobalLock((HGLOBAL)lparam);
1854     ok(ptr != NULL, "Expected non-NULL ptr\n");
1855     ok(ptr[0] == 0xcafe, "Expected 0xcafe, got %08lx\n", ptr[0]);
1856     ok(ptr[1] == 0xbeef, "Expected 0xbeef, got %08lx\n", ptr[1]);
1857
1858     ret = GlobalUnlock((HGLOBAL)lparam);
1859     ok(ret == 1, "Expected 1, got %d\n", ret);
1860
1861     lo = hi = 0;
1862     ret = UnpackDDElParam(WM_DDE_DATA, lparam, &lo, &hi);
1863     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1864     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1865     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1866
1867     ret = FreeDDElParam(WM_DDE_DATA, lparam);
1868     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1869
1870     hglobal = GlobalFree((HGLOBAL)lparam);
1871     ok(hglobal == (HGLOBAL)lparam, "Expected lparam, got %d\n", ret);
1872     ok(GetLastError() == ERROR_INVALID_HANDLE,
1873        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1874
1875     lparam = PackDDElParam(WM_DDE_REQUEST, 0xcafe, 0xbeef);
1876     ok(lparam == 0xbeefcafe, "Expected 0xbeefcafe, got %08lx\n", lparam);
1877     ok(GlobalLock((HGLOBAL)lparam) == NULL,
1878        "Expected NULL, got %p\n", GlobalLock((HGLOBAL)lparam));
1879     ok(GetLastError() == ERROR_INVALID_HANDLE,
1880        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1881
1882     lo = hi = 0;
1883     ret = UnpackDDElParam(WM_DDE_REQUEST, lparam, &lo, &hi);
1884     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1885     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1886     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1887
1888     ret = FreeDDElParam(WM_DDE_REQUEST, lparam);
1889     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1890
1891     lparam = PackDDElParam(WM_DDE_POKE, 0xcafe, 0xbeef);
1892     ptr = GlobalLock((HGLOBAL)lparam);
1893     ok(ptr != NULL, "Expected non-NULL ptr\n");
1894     ok(ptr[0] == 0xcafe, "Expected 0xcafe, got %08lx\n", ptr[0]);
1895     ok(ptr[1] == 0xbeef, "Expected 0xbeef, got %08lx\n", ptr[1]);
1896
1897     ret = GlobalUnlock((HGLOBAL)lparam);
1898     ok(ret == 1, "Expected 1, got %d\n", ret);
1899
1900     lo = hi = 0;
1901     ret = UnpackDDElParam(WM_DDE_POKE, lparam, &lo, &hi);
1902     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1903     ok(lo == 0xcafe, "Expected 0xcafe, got %08lx\n", lo);
1904     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1905
1906     ret = FreeDDElParam(WM_DDE_POKE, lparam);
1907     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1908
1909     hglobal = GlobalFree((HGLOBAL)lparam);
1910     ok(hglobal == (HGLOBAL)lparam, "Expected lparam, got %d\n", ret);
1911     ok(GetLastError() == ERROR_INVALID_HANDLE,
1912        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1913
1914     lparam = PackDDElParam(WM_DDE_EXECUTE, 0xcafe, 0xbeef);
1915     ok(lparam == 0xbeef, "Expected 0xbeef, got %08lx\n", lparam);
1916     ok(GlobalLock((HGLOBAL)lparam) == NULL,
1917        "Expected NULL, got %p\n", GlobalLock((HGLOBAL)lparam));
1918     ok(GetLastError() == ERROR_INVALID_HANDLE,
1919        "Expected ERROR_INVALID_HANDLE, got %d\n", GetLastError());
1920
1921     lo = hi = 0;
1922     ret = UnpackDDElParam(WM_DDE_EXECUTE, lparam, &lo, &hi);
1923     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1924     ok(lo == 0, "Expected 0, got %08lx\n", lo);
1925     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1926
1927     ret = FreeDDElParam(WM_DDE_EXECUTE, lparam);
1928     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1929 }
1930
1931 static void test_UnpackDDElParam(void)
1932 {
1933     UINT_PTR lo, hi, *ptr;
1934     HGLOBAL hglobal;
1935     BOOL ret;
1936
1937     /* NULL lParam */
1938     lo = 0xdead;
1939     hi = 0xbeef;
1940     ret = UnpackDDElParam(WM_DDE_INITIATE, (LPARAM)NULL, &lo, &hi);
1941     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1942     ok(lo == 0, "Expected 0, got %08lx\n", lo);
1943     ok(hi == 0, "Expected 0, got %08lx\n", hi);
1944
1945     /* NULL lo */
1946     lo = 0xdead;
1947     hi = 0xbeef;
1948     ret = UnpackDDElParam(WM_DDE_INITIATE, 0xcafebabe, NULL, &hi);
1949     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1950     ok(lo == 0xdead, "Expected 0xdead, got %08lx\n", lo);
1951     ok(hi == 0xcafe, "Expected 0xcafe, got %08lx\n", hi);
1952
1953     /* NULL hi */
1954     lo = 0xdead;
1955     hi = 0xbeef;
1956     ret = UnpackDDElParam(WM_DDE_INITIATE, 0xcafebabe, &lo, NULL);
1957     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1958     ok(lo == 0xbabe, "Expected 0xbabe, got %08lx\n", lo);
1959     ok(hi == 0xbeef, "Expected 0xbeef, got %08lx\n", hi);
1960
1961     lo = 0xdead;
1962     hi = 0xbeef;
1963     ret = UnpackDDElParam(WM_DDE_INITIATE, 0xcafebabe, &lo, &hi);
1964     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1965     ok(lo == 0xbabe, "Expected 0xbabe, got %08lx\n", lo);
1966     ok(hi == 0xcafe, "Expected 0xcafe, got %08lx\n", hi);
1967
1968     lo = 0xdead;
1969     hi = 0xbeef;
1970     ret = UnpackDDElParam(WM_DDE_TERMINATE, 0xcafebabe, &lo, &hi);
1971     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
1972     ok(lo == 0xbabe, "Expected 0xbabe, got %08lx\n", lo);
1973     ok(hi == 0xcafe, "Expected 0xcafe, got %08lx\n", hi);
1974
1975     lo = 0xdead;
1976     hi = 0xbeef;
1977     ret = UnpackDDElParam(WM_DDE_ADVISE, (LPARAM)NULL, &lo, &hi);
1978     ok(ret == FALSE, "Expected FALSE, got %d\n", ret);
1979     ok(lo == 0 ||
1980        broken(lo == 0xdead), /* win2k */
1981        "Expected 0, got %08lx\n", lo);
1982     ok(hi == 0 ||
1983        broken(hi == 0xbeef), /* win2k */
1984        "Expected 0, got %08lx\n", hi);
1985
1986     lo = 0xdead;
1987     hi = 0xbeef;
1988     ret = UnpackDDElParam(WM_DDE_ADVISE, 0xcafebabe, &lo, &hi);
1989     ok(ret == FALSE, "Expected FALSE, got %d\n", ret);
1990     ok(lo == 0 ||
1991        broken(lo == 0xdead), /* win2k */
1992        "Expected 0, got %08lx\n", lo);
1993     ok(hi == 0 ||
1994        broken(hi == 0xbeef), /* win2k */
1995        "Expected 0, got %08lx\n", hi);
1996
1997     hglobal = GlobalAlloc(GMEM_DDESHARE, 2);
1998     ptr = GlobalLock(hglobal);
1999     ptr[0] = 0xcafebabe;
2000     ptr[1] = 0xdeadbeef;
2001     GlobalUnlock(hglobal);
2002
2003     lo = 0xdead;
2004     hi = 0xbeef;
2005     ret = UnpackDDElParam(WM_DDE_ADVISE, (LPARAM)hglobal, &lo, &hi);
2006     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2007     ok(lo == 0xcafebabe, "Expected 0xcafebabe, got %08lx\n", lo);
2008     ok(hi == 0xdeadbeef, "Expected 0xdeadbeef, got %08lx\n", hi);
2009
2010     lo = 0xdead;
2011     hi = 0xbeef;
2012     ret = UnpackDDElParam(WM_DDE_UNADVISE, 0xcafebabe, &lo, &hi);
2013     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2014     ok(lo == 0xbabe, "Expected 0xbabe, got %08lx\n", lo);
2015     ok(hi == 0xcafe, "Expected 0xcafe, got %08lx\n", hi);
2016
2017     lo = 0xdead;
2018     hi = 0xbeef;
2019     ret = UnpackDDElParam(WM_DDE_ACK, 0xcafebabe, &lo, &hi);
2020     ok(ret == FALSE, "Expected FALSE, got %d\n", ret);
2021     ok(lo == 0 ||
2022        broken(lo == 0xdead), /* win2k */
2023        "Expected 0, got %08lx\n", lo);
2024     ok(hi == 0 ||
2025        broken(hi == 0xbeef), /* win2k */
2026        "Expected 0, got %08lx\n", hi);
2027
2028     lo = 0xdead;
2029     hi = 0xbeef;
2030     ret = UnpackDDElParam(WM_DDE_ACK, (LPARAM)hglobal, &lo, &hi);
2031     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2032     ok(lo == 0xcafebabe, "Expected 0xcafebabe, got %08lx\n", lo);
2033     ok(hi == 0xdeadbeef, "Expected 0xdeadbeef, got %08lx\n", hi);
2034
2035     lo = 0xdead;
2036     hi = 0xbeef;
2037     ret = UnpackDDElParam(WM_DDE_DATA, 0xcafebabe, &lo, &hi);
2038     ok(ret == FALSE, "Expected FALSE, got %d\n", ret);
2039     ok(lo == 0 ||
2040        broken(lo == 0xdead), /* win2k */
2041        "Expected 0, got %08lx\n", lo);
2042     ok(hi == 0 ||
2043        broken(hi == 0xbeef), /* win2k */
2044        "Expected 0, got %08lx\n", hi);
2045
2046     lo = 0xdead;
2047     hi = 0xbeef;
2048     ret = UnpackDDElParam(WM_DDE_DATA, (LPARAM)hglobal, &lo, &hi);
2049     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2050     ok(lo == 0xcafebabe, "Expected 0xcafebabe, got %08lx\n", lo);
2051     ok(hi == 0xdeadbeef, "Expected 0xdeadbeef, got %08lx\n", hi);
2052
2053     lo = 0xdead;
2054     hi = 0xbeef;
2055     ret = UnpackDDElParam(WM_DDE_REQUEST, 0xcafebabe, &lo, &hi);
2056     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2057     ok(lo == 0xbabe, "Expected 0xbabe, got %08lx\n", lo);
2058     ok(hi == 0xcafe, "Expected 0xcafe, got %08lx\n", hi);
2059
2060     lo = 0xdead;
2061     hi = 0xbeef;
2062     ret = UnpackDDElParam(WM_DDE_POKE, 0xcafebabe, &lo, &hi);
2063     ok(ret == FALSE, "Expected FALSE, got %d\n", ret);
2064     ok(lo == 0 ||
2065        broken(lo == 0xdead), /* win2k */
2066        "Expected 0, got %08lx\n", lo);
2067     ok(hi == 0 ||
2068        broken(hi == 0xbeef), /* win2k */
2069        "Expected 0, got %08lx\n", hi);
2070
2071     lo = 0xdead;
2072     hi = 0xbeef;
2073     ret = UnpackDDElParam(WM_DDE_POKE, (LPARAM)hglobal, &lo, &hi);
2074     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2075     ok(lo == 0xcafebabe, "Expected 0xcafebabe, got %08lx\n", lo);
2076     ok(hi == 0xdeadbeef, "Expected 0xdeadbeef, got %08lx\n", hi);
2077
2078     lo = 0xdead;
2079     hi = 0xbeef;
2080     ret = UnpackDDElParam(WM_DDE_EXECUTE, 0xcafebabe, &lo, &hi);
2081     ok(ret == TRUE, "Expected TRUE, got %d\n", ret);
2082     ok(lo == 0, "Expected 0, got %08lx\n", lo);
2083     ok(hi == 0xcafebabe, "Expected 0xcafebabe, got %08lx\n", hi);
2084 }
2085
2086 START_TEST(dde)
2087 {
2088     int argc;
2089     char **argv;
2090     char buffer[MAX_PATH];
2091     STARTUPINFO startup;
2092     PROCESS_INFORMATION proc;
2093
2094     argc = winetest_get_mainargs(&argv);
2095     if (argc == 3)
2096     {
2097         if (!lstrcmpA(argv[2], "ddeml"))
2098             test_ddeml_client();
2099         else if (!lstrcmpA(argv[2], "msg"))
2100             test_msg_client();
2101
2102         return;
2103     }
2104
2105     ZeroMemory(&startup, sizeof(STARTUPINFO));
2106     sprintf(buffer, "%s dde ddeml", argv[0]);
2107     startup.cb = sizeof(startup);
2108     startup.dwFlags = STARTF_USESHOWWINDOW;
2109     startup.wShowWindow = SW_SHOWNORMAL;
2110
2111     CreateProcessA(NULL, buffer, NULL, NULL, FALSE,
2112                    CREATE_SUSPENDED, NULL, NULL, &startup, &proc);
2113
2114     test_msg_server(proc.hProcess, proc.hThread);
2115
2116     sprintf(buffer, "%s dde msg", argv[0]);
2117     CreateProcessA(NULL, buffer, NULL, NULL, FALSE,
2118                    0, NULL, NULL, &startup, &proc);
2119
2120     test_ddeml_server(proc.hProcess);
2121
2122     test_dde_aw_transaction();
2123
2124     test_DdeCreateDataHandle();
2125     test_DdeCreateStringHandle();
2126     test_FreeDDElParam();
2127     test_PackDDElParam();
2128     test_UnpackDDElParam();
2129 }