dlls/imm32/tests/imm32.c

   1 /*
   2  * Unit tests for imm32
   3  *
   4  * Copyright (c) 2008 Michael Jung
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdio.h>
  22
  23 #include "wine/test.h"
  24 #include "winuser.h"
  25 #include "wingdi.h"
  26 #include "imm.h"
  27
  28 #define NUMELEMS(array) (sizeof((array))/sizeof((array)[0]))
  29
  30 static BOOL (WINAPI *pImmAssociateContextEx)(HWND,HIMC,DWORD);
  31 static BOOL (WINAPI *pImmIsUIMessageA)(HWND,UINT,WPARAM,LPARAM);
  32
  33 /*
  34  * msgspy - record and analyse message traces sent to a certain window
  35  */
  36 static struct _msg_spy {
  37     HWND         hwnd;
  38     HHOOK        get_msg_hook;
  39     HHOOK        call_wnd_proc_hook;
  40     CWPSTRUCT    msgs[32];
  41     unsigned int i_msg;
  42 } msg_spy;
  43
  44 static LRESULT CALLBACK get_msg_filter(int nCode, WPARAM wParam, LPARAM lParam)
  45 {
  46     if (HC_ACTION == nCode) {
  47         MSG *msg = (MSG*)lParam;
  48
  49         if ((msg->hwnd == msg_spy.hwnd) &&
  50             (msg_spy.i_msg < NUMELEMS(msg_spy.msgs)))
  51         {
  52             msg_spy.msgs[msg_spy.i_msg].hwnd    = msg->hwnd;
  53             msg_spy.msgs[msg_spy.i_msg].message = msg->message;
  54             msg_spy.msgs[msg_spy.i_msg].wParam  = msg->wParam;
  55             msg_spy.msgs[msg_spy.i_msg].lParam  = msg->lParam;
  56             msg_spy.i_msg++;
  57         }
  58     }
  59
  60     return CallNextHookEx(msg_spy.get_msg_hook, nCode, wParam, lParam);
  61 }
  62
  63 static LRESULT CALLBACK call_wnd_proc_filter(int nCode, WPARAM wParam,
  64                                              LPARAM lParam)
  65 {
  66     if (HC_ACTION == nCode) {
  67         CWPSTRUCT *cwp = (CWPSTRUCT*)lParam;
  68
  69         if ((cwp->hwnd == msg_spy.hwnd) &&
  70             (msg_spy.i_msg < NUMELEMS(msg_spy.msgs)))
  71         {
  72             memcpy(&msg_spy.msgs[msg_spy.i_msg], cwp, sizeof(msg_spy.msgs[0]));
  73             msg_spy.i_msg++;
  74         }
  75     }
  76
  77     return CallNextHookEx(msg_spy.call_wnd_proc_hook, nCode, wParam, lParam);
  78 }
  79
  80 static void msg_spy_pump_msg_queue(void) {
  81     MSG msg;
  82
  83     while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
  84         TranslateMessage(&msg);
  85         DispatchMessage(&msg);
  86     }
  87
  88     return;
  89 }
  90
  91 static void msg_spy_flush_msgs(void) {
  92     msg_spy_pump_msg_queue();
  93     msg_spy.i_msg = 0;
  94 }
  95
  96 static CWPSTRUCT* msg_spy_find_msg(UINT message) {
  97     UINT i;
  98
  99     msg_spy_pump_msg_queue();
 100
 101     if (msg_spy.i_msg >= NUMELEMS(msg_spy.msgs))
 102         fprintf(stdout, "%s:%d: msg_spy: message buffer overflow!\n",
 103                 __FILE__, __LINE__);
 104
 105     for (i = 0; i < msg_spy.i_msg; i++)
 106         if (msg_spy.msgs[i].message == message)
 107             return &msg_spy.msgs[i];
 108
 109     return NULL;
 110 }
 111
 112 static void msg_spy_init(HWND hwnd) {
 113     msg_spy.hwnd = hwnd;
 114     msg_spy.get_msg_hook =
 115             SetWindowsHookEx(WH_GETMESSAGE, get_msg_filter, GetModuleHandle(0),
 116                              GetCurrentThreadId());
 117     msg_spy.call_wnd_proc_hook =
 118             SetWindowsHookEx(WH_CALLWNDPROC, call_wnd_proc_filter,
 119                              GetModuleHandle(0), GetCurrentThreadId());
 120     msg_spy.i_msg = 0;
 121
 122     msg_spy_flush_msgs();
 123 }
 124
 125 static void msg_spy_cleanup(void) {
 126     if (msg_spy.get_msg_hook)
 127         UnhookWindowsHookEx(msg_spy.get_msg_hook);
 128     if (msg_spy.call_wnd_proc_hook)
 129         UnhookWindowsHookEx(msg_spy.call_wnd_proc_hook);
 130     memset(&msg_spy, 0, sizeof(msg_spy));
 131 }
 132
 133 /*
 134  * imm32 test cases - Issue some IMM commands on a dummy window and analyse the
 135  * messages being sent to this window in response.
 136  */
 137 static const char wndcls[] = "winetest_imm32_wndcls";
 138 static HWND hwnd;
 139
 140 static LRESULT WINAPI wndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 141 {
 142     switch (msg)
 143     {
 144         case WM_IME_SETCONTEXT:
 145         case WM_NCCREATE:
 146         case WM_CREATE:
 147             return TRUE;
 148     }
 149
 150     return DefWindowProcA(hwnd,msg,wParam,lParam);
 151 }
 152
 153 static BOOL init(void) {
 154     WNDCLASSEX wc;
 155     HIMC imc;
 156     HMODULE hmod;
 157
 158     hmod = GetModuleHandleA("imm32.dll");
 159     pImmAssociateContextEx = (void*)GetProcAddress(hmod, "ImmAssociateContextEx");
 160     pImmIsUIMessageA = (void*)GetProcAddress(hmod, "ImmIsUIMessageA");
 161
 162     wc.cbSize        = sizeof(WNDCLASSEX);
 163     wc.style         = 0;
 164     wc.lpfnWndProc   = wndProc;
 165     wc.cbClsExtra    = 0;
 166     wc.cbWndExtra    = 0;
 167     wc.hInstance     = GetModuleHandle(0);
 168     wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
 169     wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
 170     wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
 171     wc.lpszMenuName  = NULL;
 172     wc.lpszClassName = wndcls;
 173     wc.hIconSm       = LoadIcon(NULL, IDI_APPLICATION);
 174
 175     if (!RegisterClassExA(&wc))
 176         return FALSE;
 177
 178     hwnd = CreateWindowEx(WS_EX_CLIENTEDGE, wndcls, "Wine imm32.dll test",
 179                           WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
 180                           240, 120, NULL, NULL, GetModuleHandle(0), NULL);
 181     if (!hwnd)
 182         return FALSE;
 183
 184     imc = ImmGetContext(hwnd);
 185     if (!imc)
 186     {
 187         win_skip("IME support not implemented\n");
 188         return FALSE;
 189     }
 190     ImmReleaseContext(hwnd, imc);
 191
 192     ShowWindow(hwnd, SW_SHOWNORMAL);
 193     UpdateWindow(hwnd);
 194
 195     msg_spy_init(hwnd);
 196
 197     return TRUE;
 198 }
 199
 200 static void cleanup(void) {
 201     msg_spy_cleanup();
 202     if (hwnd)
 203         DestroyWindow(hwnd);
 204     UnregisterClass(wndcls, GetModuleHandle(0));
 205 }
 206
 207 static void test_ImmNotifyIME(void) {
 208     static const char string[] = "wine";
 209     char resstr[16] = "";
 210     HIMC imc;
 211     BOOL ret;
 212
 213     imc = ImmGetContext(hwnd);
 214     msg_spy_flush_msgs();
 215
 216     ret = ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
 217     ok(broken(!ret) ||
 218        ret, /* Vista+ */
 219        "Canceling an empty composition string should succeed.\n");
 220     ok(!msg_spy_find_msg(WM_IME_COMPOSITION), "Windows does not post "
 221        "WM_IME_COMPOSITION in response to NI_COMPOSITIONSTR / CPS_CANCEL, if "
 222        "the composition string being canceled is empty.\n");
 223
 224     ImmSetCompositionString(imc, SCS_SETSTR, string, sizeof(string), NULL, 0);
 225     msg_spy_flush_msgs();
 226
 227     ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
 228     msg_spy_flush_msgs();
 229
 230     /* behavior differs between win9x and NT */
 231     ret = ImmGetCompositionString(imc, GCS_COMPSTR, resstr, sizeof(resstr));
 232     ok(!ret, "After being cancelled the composition string is empty.\n");
 233
 234     msg_spy_flush_msgs();
 235
 236     ret = ImmNotifyIME(imc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
 237     ok(broken(!ret) ||
 238        ret, /* Vista+ */
 239        "Canceling an empty composition string should succeed.\n");
 240     ok(!msg_spy_find_msg(WM_IME_COMPOSITION), "Windows does not post "
 241        "WM_IME_COMPOSITION in response to NI_COMPOSITIONSTR / CPS_CANCEL, if "
 242        "the composition string being canceled is empty.\n");
 243
 244     msg_spy_flush_msgs();
 245     ImmReleaseContext(hwnd, imc);
 246 }
 247
 248 static void test_ImmGetCompositionString(void)
 249 {
 250     HIMC imc;
 251     static const WCHAR string[] = {'w','i','n','e',0x65e5,0x672c,0x8a9e};
 252     char cstring[20];
 253     WCHAR wstring[20];
 254     DWORD len;
 255     DWORD alen,wlen;
 256
 257     imc = ImmGetContext(hwnd);
 258     ImmSetCompositionStringW(imc, SCS_SETSTR, string, sizeof(string), NULL,0);
 259     alen = ImmGetCompositionStringA(imc, GCS_COMPSTR, cstring, 20);
 260     wlen = ImmGetCompositionStringW(imc, GCS_COMPSTR, wstring, 20);
 261     /* windows machines without any IME installed just return 0 above */
 262     if( alen && wlen)
 263     {
 264         len = ImmGetCompositionStringW(imc, GCS_COMPATTR, NULL, 0);
 265         ok(len*sizeof(WCHAR)==wlen,"GCS_COMPATTR(W) not returning correct count\n");
 266         len = ImmGetCompositionStringA(imc, GCS_COMPATTR, NULL, 0);
 267         ok(len==alen,"GCS_COMPATTR(A) not returning correct count\n");
 268     }
 269     ImmReleaseContext(hwnd, imc);
 270 }
 271
 272 static void test_ImmSetCompositionString(void)
 273 {
 274     HIMC imc;
 275     BOOL ret;
 276
 277     SetLastError(0xdeadbeef);
 278     imc = ImmGetContext(hwnd);
 279     ok(imc != 0, "ImmGetContext() failed. Last error: %u\n", GetLastError());
 280     if (!imc)
 281         return;
 282
 283     ret = ImmSetCompositionStringW(imc, SCS_SETSTR, NULL, 0, NULL, 0);
 284     ok(broken(!ret) ||
 285        ret, /* Vista+ */
 286        "ImmSetCompositionStringW() failed.\n");
 287
 288     ret = ImmSetCompositionStringW(imc, SCS_SETSTR | SCS_CHANGEATTR,
 289         NULL, 0, NULL, 0);
 290     ok(!ret, "ImmSetCompositionStringW() succeeded.\n");
 291
 292     ret = ImmSetCompositionStringW(imc, SCS_SETSTR | SCS_CHANGECLAUSE,
 293         NULL, 0, NULL, 0);
 294     ok(!ret, "ImmSetCompositionStringW() succeeded.\n");
 295
 296     ret = ImmSetCompositionStringW(imc, SCS_CHANGEATTR | SCS_CHANGECLAUSE,
 297         NULL, 0, NULL, 0);
 298     ok(!ret, "ImmSetCompositionStringW() succeeded.\n");
 299
 300     ret = ImmSetCompositionStringW(imc, SCS_SETSTR | SCS_CHANGEATTR | SCS_CHANGECLAUSE,
 301         NULL, 0, NULL, 0);
 302     ok(!ret, "ImmSetCompositionStringW() succeeded.\n");
 303
 304     ImmReleaseContext(hwnd, imc);
 305 }
 306
 307 static void test_ImmIME(void)
 308 {
 309     HIMC imc;
 310
 311     imc = ImmGetContext(hwnd);
 312     if (imc)
 313     {
 314         BOOL rc;
 315         rc = ImmConfigureIMEA(imc, NULL, IME_CONFIG_REGISTERWORD, NULL);
 316         ok (rc == 0, "ImmConfigureIMEA did not fail\n");
 317         rc = ImmConfigureIMEW(imc, NULL, IME_CONFIG_REGISTERWORD, NULL);
 318         ok (rc == 0, "ImmConfigureIMEW did not fail\n");
 319     }
 320     ImmReleaseContext(hwnd,imc);
 321 }
 322
 323 static void test_ImmAssociateContextEx(void)
 324 {
 325     HIMC imc;
 326     BOOL rc;
 327
 328     if (!pImmAssociateContextEx) return;
 329
 330     imc = ImmGetContext(hwnd);
 331     if (imc)
 332     {
 333         HIMC retimc, newimc;
 334
 335         newimc = ImmCreateContext();
 336         ok(newimc != imc, "handles should not be the same\n");
 337         rc = pImmAssociateContextEx(NULL, NULL, 0);
 338         ok(!rc, "ImmAssociateContextEx succeeded\n");
 339         rc = pImmAssociateContextEx(hwnd, NULL, 0);
 340         ok(rc, "ImmAssociateContextEx failed\n");
 341         rc = pImmAssociateContextEx(NULL, imc, 0);
 342         ok(!rc, "ImmAssociateContextEx succeeded\n");
 343
 344         rc = pImmAssociateContextEx(hwnd, imc, 0);
 345         ok(rc, "ImmAssociateContextEx failed\n");
 346         retimc = ImmGetContext(hwnd);
 347         ok(retimc == imc, "handles should be the same\n");
 348         ImmReleaseContext(hwnd,retimc);
 349
 350         rc = pImmAssociateContextEx(hwnd, newimc, 0);
 351         ok(rc, "ImmAssociateContextEx failed\n");
 352         retimc = ImmGetContext(hwnd);
 353         ok(retimc == newimc, "handles should be the same\n");
 354         ImmReleaseContext(hwnd,retimc);
 355
 356         rc = pImmAssociateContextEx(hwnd, NULL, IACE_DEFAULT);
 357         ok(rc, "ImmAssociateContextEx failed\n");
 358     }
 359     ImmReleaseContext(hwnd,imc);
 360 }
 361
 362 typedef struct _igc_threadinfo {
 363     HWND hwnd;
 364     HANDLE event;
 365     HIMC himc;
 366 } igc_threadinfo;
 367
 368
 369 static DWORD WINAPI ImmGetContextThreadFunc( LPVOID lpParam)
 370 {
 371     HIMC h1,h2;
 372     HWND hwnd2;
 373     COMPOSITIONFORM cf;
 374     POINT pt;
 375     igc_threadinfo *info= (igc_threadinfo*)lpParam;
 376     info->hwnd = CreateWindowEx(WS_EX_CLIENTEDGE, wndcls, "Wine imm32.dll test",
 377                           WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
 378                           240, 120, NULL, NULL, GetModuleHandle(0), NULL);
 379
 380     h1 = ImmGetContext(hwnd);
 381     todo_wine ok(info->himc == h1, "hwnd context changed in new thread\n");
 382     h2 = ImmGetContext(info->hwnd);
 383     todo_wine ok(h2 != h1, "new hwnd in new thread should have different context\n");
 384     info->himc = h2;
 385     ImmReleaseContext(hwnd,h1);
 386
 387     hwnd2 = CreateWindowEx(WS_EX_CLIENTEDGE, wndcls, "Wine imm32.dll test",
 388                           WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
 389                           240, 120, NULL, NULL, GetModuleHandle(0), NULL);
 390     h1 = ImmGetContext(hwnd2);
 391
 392     ok(h1 == h2, "Windows in same thread should have same default context\n");
 393     ImmReleaseContext(hwnd2,h1);
 394     ImmReleaseContext(info->hwnd,h2);
 395     DestroyWindow(hwnd2);
 396
 397     /* priming for later tests */
 398     ImmSetCompositionWindow(h1, &cf);
 399     ImmSetStatusWindowPos(h1, &pt);
 400
 401     SetEvent(info->event);
 402     Sleep(INFINITE);
 403     return 1;
 404 }
 405
 406 static void test_ImmThreads(void)
 407 {
 408     HIMC himc, otherHimc, h1;
 409     igc_threadinfo threadinfo;
 410     HANDLE hThread;
 411     DWORD dwThreadId;
 412     BOOL rc;
 413     LOGFONT lf;
 414     COMPOSITIONFORM cf;
 415     DWORD status, sentence;
 416     POINT pt;
 417
 418     himc = ImmGetContext(hwnd);
 419     threadinfo.event = CreateEvent(NULL, TRUE, FALSE, NULL);
 420     threadinfo.himc = himc;
 421     hThread = CreateThread(NULL, 0, ImmGetContextThreadFunc, &threadinfo, 0, &dwThreadId );
 422     WaitForSingleObject(threadinfo.event, INFINITE);
 423
 424     otherHimc = ImmGetContext(threadinfo.hwnd);
 425
 426     todo_wine ok(himc != otherHimc, "Windows from other threads should have different himc\n");
 427     todo_wine ok(otherHimc == threadinfo.himc, "Context from other thread should not change in main thread\n");
 428
 429     if (0) /* FIXME: Causes wine to hang */
 430     {
 431     h1 = ImmAssociateContext(hwnd,otherHimc);
 432     ok(h1 == NULL, "Should fail to be able to Associate a default context from a different thread\n");
 433     h1 = ImmGetContext(hwnd);
 434     ok(h1 == himc, "Context for window should remain unchanged\n");
 435     ImmReleaseContext(hwnd,h1);
 436     }
 437
 438
 439     /* OpenStatus */
 440     rc = ImmSetOpenStatus(himc, TRUE);
 441     ok(rc != 0, "ImmSetOpenStatus failed\n");
 442     rc = ImmGetOpenStatus(himc);
 443     ok(rc != 0, "ImmGetOpenStatus failed\n");
 444     rc = ImmSetOpenStatus(himc, FALSE);
 445     ok(rc != 0, "ImmSetOpenStatus failed\n");
 446     rc = ImmGetOpenStatus(himc);
 447     ok(rc == 0, "ImmGetOpenStatus failed\n");
 448
 449     rc = ImmSetOpenStatus(otherHimc, TRUE);
 450     todo_wine ok(rc == 0, "ImmSetOpenStatus should fail\n");
 451     rc = ImmGetOpenStatus(otherHimc);
 452     todo_wine ok(rc == 0, "ImmGetOpenStatus failed\n");
 453     rc = ImmSetOpenStatus(otherHimc, FALSE);
 454     todo_wine ok(rc == 0, "ImmSetOpenStatus should fail\n");
 455     rc = ImmGetOpenStatus(otherHimc);
 456     ok(rc == 0, "ImmGetOpenStatus failed\n");
 457
 458     /* CompositionFont */
 459     rc = ImmGetCompositionFont(himc, &lf);
 460     ok(rc != 0, "ImmGetCompositionFont failed\n");
 461     rc = ImmSetCompositionFont(himc, &lf);
 462     ok(rc != 0, "ImmSetCompositionFont failed\n");
 463
 464     rc = ImmGetCompositionFont(otherHimc, &lf);
 465     ok(rc != 0 || broken(rc == 0), "ImmGetCompositionFont failed\n");
 466     rc = ImmSetCompositionFont(otherHimc, &lf);
 467     todo_wine ok(rc == 0, "ImmSetCompositionFont should fail\n");
 468
 469     /* CompositionWindow */
 470     rc = ImmSetCompositionWindow(himc, &cf);
 471     ok(rc != 0, "ImmSetCompositionWindow failed\n");
 472     rc = ImmGetCompositionWindow(himc, &cf);
 473     ok(rc != 0, "ImmGetCompositionWindow failed\n");
 474
 475     rc = ImmSetCompositionWindow(otherHimc, &cf);
 476     todo_wine ok(rc == 0, "ImmSetCompositionWindow should fail\n");
 477     rc = ImmGetCompositionWindow(otherHimc, &cf);
 478     ok(rc != 0 || broken(rc == 0), "ImmGetCompositionWindow failed\n");
 479
 480     /* ConversionStatus */
 481     rc = ImmGetConversionStatus(himc, &status, &sentence);
 482     ok(rc != 0, "ImmGetConversionStatus failed\n");
 483     rc = ImmSetConversionStatus(himc, status, sentence);
 484     ok(rc != 0, "ImmSetConversionStatus failed\n");
 485
 486     rc = ImmGetConversionStatus(otherHimc, &status, &sentence);
 487     ok(rc != 0 || broken(rc == 0), "ImmGetConversionStatus failed\n");
 488     rc = ImmSetConversionStatus(otherHimc, status, sentence);
 489     todo_wine ok(rc == 0, "ImmSetConversionStatus should fail\n");
 490
 491     /* StatusWindowPos */
 492     rc = ImmSetStatusWindowPos(himc, &pt);
 493     ok(rc != 0, "ImmSetStatusWindowPos failed\n");
 494     rc = ImmGetStatusWindowPos(himc, &pt);
 495     ok(rc != 0, "ImmGetStatusWindowPos failed\n");
 496
 497     rc = ImmSetStatusWindowPos(otherHimc, &pt);
 498     todo_wine ok(rc == 0, "ImmSetStatusWindowPos should fail\n");
 499     rc = ImmGetStatusWindowPos(otherHimc, &pt);
 500     ok(rc != 0 || broken(rc == 0), "ImmGetStatusWindowPos failed\n");
 501
 502     ImmReleaseContext(threadinfo.hwnd,otherHimc);
 503     ImmReleaseContext(hwnd,himc);
 504
 505     DestroyWindow(threadinfo.hwnd);
 506     TerminateThread(hThread, 1);
 507
 508     himc = ImmGetContext(GetDesktopWindow());
 509     todo_wine ok(himc == NULL, "Should not be able to get himc from other process window\n");
 510 }
 511
 512 static void test_ImmIsUIMessage(void)
 513 {
 514     struct test
 515     {
 516         UINT msg;
 517         BOOL ret;
 518     };
 519
 520     static const struct test tests[] =
 521     {
 522         { WM_MOUSEMOVE,            FALSE },
 523         { WM_IME_STARTCOMPOSITION, TRUE  },
 524         { WM_IME_ENDCOMPOSITION,   TRUE  },
 525         { WM_IME_COMPOSITION,      TRUE  },
 526         { WM_IME_SETCONTEXT,       TRUE  },
 527         { WM_IME_NOTIFY,           TRUE  },
 528         { WM_IME_CONTROL,          FALSE },
 529         { WM_IME_COMPOSITIONFULL,  TRUE  },
 530         { WM_IME_SELECT,           TRUE  },
 531         { WM_IME_CHAR,             FALSE },
 532         { 0x287 /* FIXME */,       TRUE  },
 533         { WM_IME_REQUEST,          FALSE },
 534         { WM_IME_KEYDOWN,          FALSE },
 535         { WM_IME_KEYUP,            FALSE },
 536         { 0, FALSE } /* mark the end */
 537     };
 538
 539     const struct test *test;
 540     BOOL ret;
 541
 542     if (!pImmIsUIMessageA) return;
 543
 544     for (test = tests; test->msg; test++)
 545     {
 546         msg_spy_flush_msgs();
 547         ret = pImmIsUIMessageA(NULL, test->msg, 0, 0);
 548         ok(ret == test->ret, "ImmIsUIMessageA returned %x for %x\n", ret, test->msg);
 549         ok(!msg_spy_find_msg(test->msg), "Windows does not send 0x%x for NULL hwnd\n", test->msg);
 550
 551         ret = pImmIsUIMessageA(hwnd, test->msg, 0, 0);
 552         ok(ret == test->ret, "ImmIsUIMessageA returned %x for %x\n", ret, test->msg);
 553         if (ret)
 554             ok(msg_spy_find_msg(test->msg) != NULL, "Windows does send 0x%x\n", test->msg);
 555         else
 556             ok(!msg_spy_find_msg(test->msg), "Windows does not send 0x%x\n", test->msg);
 557     }
 558 }
 559
 560 static void test_ImmGetContext(void)
 561 {
 562     HIMC himc;
 563     DWORD err;
 564
 565     SetLastError(0xdeadbeef);
 566     himc = ImmGetContext((HWND)0xffffffff);
 567     err = GetLastError();
 568     ok(himc == NULL, "ImmGetContext succeeded\n");
 569     ok(err == ERROR_INVALID_WINDOW_HANDLE, "got %u\n", err);
 570
 571     himc = ImmGetContext(hwnd);
 572     ok(himc != NULL, "ImmGetContext failed\n");
 573     ok(ImmReleaseContext(hwnd, himc), "ImmReleaseContext failed\n");
 574 }
 575
 576 static void test_ImmGetDescription(void)
 577 {
 578     HKL hkl;
 579     WCHAR japime[] = { 'E', '0', '0', '1', '0', '4', '1', '1', 0 };
 580     WCHAR descW[100];
 581     CHAR descA[100];
 582     UINT ret, lret;
 583
 584     /* FIXME: invalid keyboard layouts should not pass */
 585     ret = ImmGetDescriptionW(NULL, NULL, 0);
 586     todo_wine ok(!ret, "ImmGetDescriptionW failed, expected 0 received %d.\n", ret);
 587
 588     /* load a language with valid IMM descriptions */
 589     hkl = LoadKeyboardLayoutW(japime, KLF_ACTIVATE);
 590     todo_wine ok(hkl != 0, "LoadKeyboardLayoutW failed, expected != 0.\n");
 591
 592     ret = ImmGetDescriptionW(hkl, NULL, 0);
 593     if(!ret)
 594     {
 595         win_skip("ImmGetDescriptionW is not working for current loaded keyboard.\n");
 596         return;
 597     }
 598
 599     ret = ImmGetDescriptionW(hkl, descW, 0);
 600     ok(ret, "ImmGetDescriptionW failed, expected != 0 received 0.\n");
 601
 602     lret = ImmGetDescriptionW(hkl, descW, ret + 1);
 603     ok(lret, "ImmGetDescriptionW failed, expected != 0 received 0.\n");
 604     ok(lret == ret, "ImmGetDescriptionW failed to return the correct amount of data. Expected %d, got %d.\n", ret, lret);
 605
 606     lret = ImmGetDescriptionA(hkl, descA, ret + 1);
 607     ok(lret, "ImmGetDescriptionA failed, expected != 0 received 0.\n");
 608     todo_wine ok(lret == ret, "ImmGetDescriptionA failed to return the correct amount of data. Expected %d, got %d.\n", ret, lret);
 609
 610     ret /= 2; /* try to copy partially */
 611     lret = ImmGetDescriptionW(hkl, descW, ret + 1);
 612     ok(lret, "ImmGetDescriptionW failed, expected != 0 received 0.\n");
 613     ok(lret == ret, "ImmGetDescriptionW failed to return the correct amount of data. Expected %d, got %d.\n", ret, lret);
 614
 615     ret = ImmGetDescriptionW(hkl, descW, 1);
 616     ok(!ret, "ImmGetDescriptionW failed, expected 0 received %d.\n", ret);
 617
 618     UnloadKeyboardLayout(hkl);
 619 }
 620
 621 START_TEST(imm32) {
 622     if (init())
 623     {
 624         test_ImmNotifyIME();
 625         test_ImmGetCompositionString();
 626         test_ImmSetCompositionString();
 627         test_ImmIME();
 628         test_ImmAssociateContextEx();
 629         test_ImmThreads();
 630         test_ImmIsUIMessage();
 631         test_ImmGetContext();
 632         test_ImmGetDescription();
 633     }
 634     cleanup();
 635 }