dlls/shell32/tests/shlview.c

   1 /*
   2  * Unit test of the IShellView
   3  *
   4  * Copyright 2010 Nikolay Sivov for CodeWeavers
   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 <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25 #define CONST_VTABLE
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wtypes.h"
  30 #include "shellapi.h"
  31
  32 #include "shlguid.h"
  33 #include "shlobj.h"
  34 #include "shobjidl.h"
  35 #include "shlwapi.h"
  36 #include "ocidl.h"
  37 #include "oleauto.h"
  38
  39 #include "initguid.h"
  40
  41 #include "wine/test.h"
  42
  43 #include "msg.h"
  44
  45 #define LISTVIEW_SEQ_INDEX  0
  46 #define NUM_MSG_SEQUENCES   1
  47
  48 DEFINE_GUID(IID_IPersistHistory, 0x91a565c1, 0xe38f, 0x11d0, 0x94, 0xbf, 0x00, 0xa0, 0xc9, 0x05, 0x5c, 0xbf);
  49
  50 static struct msg_sequence *sequences[NUM_MSG_SEQUENCES];
  51
  52 static LRESULT WINAPI listview_subclass_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  53 {
  54     WNDPROC oldproc = (WNDPROC)GetWindowLongPtrA(hwnd, GWLP_USERDATA);
  55     static LONG defwndproc_counter = 0;
  56     LRESULT ret;
  57     struct message msg;
  58
  59     trace("listview: %p, %04x, %08lx, %08lx\n", hwnd, message, wParam, lParam);
  60
  61     msg.message = message;
  62     msg.flags = sent|wparam|lparam;
  63     if (defwndproc_counter) msg.flags |= defwinproc;
  64     msg.wParam = wParam;
  65     msg.lParam = lParam;
  66     add_message(sequences, LISTVIEW_SEQ_INDEX, &msg);
  67
  68     defwndproc_counter++;
  69     ret = CallWindowProcA(oldproc, hwnd, message, wParam, lParam);
  70     defwndproc_counter--;
  71     return ret;
  72 }
  73
  74 static HWND subclass_listview(HWND hwnd)
  75 {
  76     WNDPROC oldproc;
  77     HWND listview;
  78
  79     /* listview is a first child */
  80     listview = FindWindowExA(hwnd, NULL, WC_LISTVIEWA, NULL);
  81
  82     oldproc = (WNDPROC)SetWindowLongPtrA(listview, GWLP_WNDPROC,
  83                                         (LONG_PTR)listview_subclass_proc);
  84     SetWindowLongPtrA(listview, GWLP_USERDATA, (LONG_PTR)oldproc);
  85
  86     return listview;
  87 }
  88
  89 /* dummy IDataObject implementation */
  90 typedef struct {
  91     const IDataObjectVtbl *lpVtbl;
  92     LONG ref;
  93 } IDataObjectImpl;
  94
  95 static const IDataObjectVtbl IDataObjectImpl_Vtbl;
  96
  97 static IDataObject* IDataObjectImpl_Construct(void)
  98 {
  99     IDataObjectImpl *obj;
 100
 101     obj = HeapAlloc(GetProcessHeap(), 0, sizeof(*obj));
 102     obj->lpVtbl = &IDataObjectImpl_Vtbl;
 103     obj->ref = 1;
 104
 105     return (IDataObject*)obj;
 106 }
 107
 108 static HRESULT WINAPI IDataObjectImpl_QueryInterface(IDataObject *iface, REFIID riid, void **ppvObj)
 109 {
 110     IDataObjectImpl *This = (IDataObjectImpl *)iface;
 111
 112     if (IsEqualIID(riid, &IID_IUnknown) ||
 113         IsEqualIID(riid, &IID_IDataObject))
 114     {
 115         *ppvObj = This;
 116     }
 117
 118     if(*ppvObj)
 119     {
 120         IUnknown_AddRef(iface);
 121         return S_OK;
 122     }
 123
 124     return E_NOINTERFACE;
 125 }
 126
 127 static ULONG WINAPI IDataObjectImpl_AddRef(IDataObject * iface)
 128 {
 129     IDataObjectImpl *This = (IDataObjectImpl *)iface;
 130     return InterlockedIncrement(&This->ref);
 131 }
 132
 133 static ULONG WINAPI IDataObjectImpl_Release(IDataObject * iface)
 134 {
 135     IDataObjectImpl *This = (IDataObjectImpl *)iface;
 136     ULONG ref = InterlockedDecrement(&This->ref);
 137
 138     if (!ref)
 139     {
 140         HeapFree(GetProcessHeap(), 0, This);
 141         return 0;
 142     }
 143     return ref;
 144 }
 145
 146 static HRESULT WINAPI IDataObjectImpl_GetData(IDataObject *iface, FORMATETC *pformat, STGMEDIUM *pmedium)
 147 {
 148     return E_NOTIMPL;
 149 }
 150
 151 static HRESULT WINAPI IDataObjectImpl_GetDataHere(IDataObject *iface, FORMATETC *pformat, STGMEDIUM *pmedium)
 152 {
 153     return E_NOTIMPL;
 154 }
 155
 156 static HRESULT WINAPI IDataObjectImpl_QueryGetData(IDataObject *iface, FORMATETC *pformat)
 157 {
 158     return E_NOTIMPL;
 159 }
 160
 161 static HRESULT WINAPI IDataObjectImpl_GetCanonicalFormatEtc(
 162     IDataObject *iface, FORMATETC *pformatIn, FORMATETC *pformatOut)
 163 {
 164     return E_NOTIMPL;
 165 }
 166
 167 static HRESULT WINAPI IDataObjectImpl_SetData(
 168     IDataObject *iface, FORMATETC *pformat, STGMEDIUM *pmedium, BOOL release)
 169 {
 170     return E_NOTIMPL;
 171 }
 172
 173 static HRESULT WINAPI IDataObjectImpl_EnumFormatEtc(
 174     IDataObject *iface, DWORD direction, IEnumFORMATETC **ppenumFormatEtc)
 175 {
 176     return E_NOTIMPL;
 177 }
 178
 179 static HRESULT WINAPI IDataObjectImpl_DAdvise(
 180     IDataObject *iface, FORMATETC *pformatetc, DWORD advf, IAdviseSink *pSink, DWORD *pConnection)
 181 {
 182     return E_NOTIMPL;
 183 }
 184
 185 static HRESULT WINAPI IDataObjectImpl_DUnadvise(IDataObject *iface, DWORD connection)
 186 {
 187     return E_NOTIMPL;
 188 }
 189
 190 static HRESULT WINAPI IDataObjectImpl_EnumDAdvise(IDataObject *iface, IEnumSTATDATA **ppenumAdvise)
 191 {
 192     return E_NOTIMPL;
 193 }
 194
 195 static const IDataObjectVtbl IDataObjectImpl_Vtbl =
 196 {
 197     IDataObjectImpl_QueryInterface,
 198     IDataObjectImpl_AddRef,
 199     IDataObjectImpl_Release,
 200     IDataObjectImpl_GetData,
 201     IDataObjectImpl_GetDataHere,
 202     IDataObjectImpl_QueryGetData,
 203     IDataObjectImpl_GetCanonicalFormatEtc,
 204     IDataObjectImpl_SetData,
 205     IDataObjectImpl_EnumFormatEtc,
 206     IDataObjectImpl_DAdvise,
 207     IDataObjectImpl_DUnadvise,
 208     IDataObjectImpl_EnumDAdvise
 209 };
 210
 211 /* dummy IShellBrowser implementation */
 212 typedef struct {
 213     const IShellBrowserVtbl *lpVtbl;
 214     LONG ref;
 215 } IShellBrowserImpl;
 216
 217 static const IShellBrowserVtbl IShellBrowserImpl_Vtbl;
 218
 219 static IShellBrowser* IShellBrowserImpl_Construct(void)
 220 {
 221     IShellBrowserImpl *browser;
 222
 223     browser = HeapAlloc(GetProcessHeap(), 0, sizeof(*browser));
 224     browser->lpVtbl = &IShellBrowserImpl_Vtbl;
 225     browser->ref = 1;
 226
 227     return (IShellBrowser*)browser;
 228 }
 229
 230 static HRESULT WINAPI IShellBrowserImpl_QueryInterface(IShellBrowser *iface,
 231                                             REFIID riid,
 232                                             LPVOID *ppvObj)
 233 {
 234     IShellBrowserImpl *This = (IShellBrowserImpl *)iface;
 235
 236     *ppvObj = NULL;
 237
 238     if(IsEqualIID(riid, &IID_IUnknown)   ||
 239        IsEqualIID(riid, &IID_IOleWindow) ||
 240        IsEqualIID(riid, &IID_IShellBrowser))
 241     {
 242         *ppvObj = This;
 243     }
 244
 245     if(*ppvObj)
 246     {
 247         IUnknown_AddRef(iface);
 248         return S_OK;
 249     }
 250
 251     return E_NOINTERFACE;
 252 }
 253
 254 static ULONG WINAPI IShellBrowserImpl_AddRef(IShellBrowser * iface)
 255 {
 256     IShellBrowserImpl *This = (IShellBrowserImpl *)iface;
 257     return InterlockedIncrement(&This->ref);
 258 }
 259
 260 static ULONG WINAPI IShellBrowserImpl_Release(IShellBrowser * iface)
 261 {
 262     IShellBrowserImpl *This = (IShellBrowserImpl *)iface;
 263     ULONG ref = InterlockedDecrement(&This->ref);
 264
 265     if (!ref)
 266     {
 267         HeapFree(GetProcessHeap(), 0, This);
 268         return 0;
 269     }
 270     return ref;
 271 }
 272
 273 static HRESULT WINAPI IShellBrowserImpl_GetWindow(IShellBrowser *iface,
 274                                            HWND *phwnd)
 275 {
 276     if (phwnd) *phwnd = GetDesktopWindow();
 277     return S_OK;
 278 }
 279
 280 static HRESULT WINAPI IShellBrowserImpl_ContextSensitiveHelp(IShellBrowser *iface,
 281                                                       BOOL fEnterMode)
 282 {
 283     return E_NOTIMPL;
 284 }
 285
 286 static HRESULT WINAPI IShellBrowserImpl_BrowseObject(IShellBrowser *iface,
 287                                               LPCITEMIDLIST pidl,
 288                                               UINT wFlags)
 289 {
 290     return E_NOTIMPL;
 291 }
 292
 293 static HRESULT WINAPI IShellBrowserImpl_EnableModelessSB(IShellBrowser *iface,
 294                                               BOOL fEnable)
 295
 296 {
 297     return E_NOTIMPL;
 298 }
 299
 300 static HRESULT WINAPI IShellBrowserImpl_GetControlWindow(IShellBrowser *iface,
 301                                               UINT id,
 302                                               HWND *lphwnd)
 303
 304 {
 305     return E_NOTIMPL;
 306 }
 307
 308 static HRESULT WINAPI IShellBrowserImpl_GetViewStateStream(IShellBrowser *iface,
 309                                                 DWORD mode,
 310                                                 LPSTREAM *pStrm)
 311
 312 {
 313     return E_NOTIMPL;
 314 }
 315
 316 static HRESULT WINAPI IShellBrowserImpl_InsertMenusSB(IShellBrowser *iface,
 317                                            HMENU hmenuShared,
 318                                            LPOLEMENUGROUPWIDTHS lpMenuWidths)
 319
 320 {
 321     return E_NOTIMPL;
 322 }
 323
 324 static HRESULT WINAPI IShellBrowserImpl_OnViewWindowActive(IShellBrowser *iface,
 325                                                 IShellView *ppshv)
 326
 327 {
 328     return E_NOTIMPL;
 329 }
 330
 331 static HRESULT WINAPI IShellBrowserImpl_QueryActiveShellView(IShellBrowser *iface,
 332                                                   IShellView **ppshv)
 333
 334 {
 335     return E_NOTIMPL;
 336 }
 337
 338 static HRESULT WINAPI IShellBrowserImpl_RemoveMenusSB(IShellBrowser *iface,
 339                                            HMENU hmenuShared)
 340
 341 {
 342     return E_NOTIMPL;
 343 }
 344
 345 static HRESULT WINAPI IShellBrowserImpl_SendControlMsg(IShellBrowser *iface,
 346                                             UINT id,
 347                                             UINT uMsg,
 348                                             WPARAM wParam,
 349                                             LPARAM lParam,
 350                                             LRESULT *pret)
 351
 352 {
 353     return E_NOTIMPL;
 354 }
 355
 356 static HRESULT WINAPI IShellBrowserImpl_SetMenuSB(IShellBrowser *iface,
 357                                        HMENU hmenuShared,
 358                                        HOLEMENU holemenuReserved,
 359                                        HWND hwndActiveObject)
 360
 361 {
 362     return E_NOTIMPL;
 363 }
 364
 365 static HRESULT WINAPI IShellBrowserImpl_SetStatusTextSB(IShellBrowser *iface,
 366                                              LPCOLESTR lpszStatusText)
 367
 368 {
 369     return E_NOTIMPL;
 370 }
 371
 372 static HRESULT WINAPI IShellBrowserImpl_SetToolbarItems(IShellBrowser *iface,
 373                                              LPTBBUTTON lpButtons,
 374                                              UINT nButtons,
 375                                              UINT uFlags)
 376
 377 {
 378     return E_NOTIMPL;
 379 }
 380
 381 static HRESULT WINAPI IShellBrowserImpl_TranslateAcceleratorSB(IShellBrowser *iface,
 382                                                     LPMSG lpmsg,
 383                                                     WORD wID)
 384
 385 {
 386     return E_NOTIMPL;
 387 }
 388
 389 static const IShellBrowserVtbl IShellBrowserImpl_Vtbl =
 390 {
 391     IShellBrowserImpl_QueryInterface,
 392     IShellBrowserImpl_AddRef,
 393     IShellBrowserImpl_Release,
 394     IShellBrowserImpl_GetWindow,
 395     IShellBrowserImpl_ContextSensitiveHelp,
 396     IShellBrowserImpl_InsertMenusSB,
 397     IShellBrowserImpl_SetMenuSB,
 398     IShellBrowserImpl_RemoveMenusSB,
 399     IShellBrowserImpl_SetStatusTextSB,
 400     IShellBrowserImpl_EnableModelessSB,
 401     IShellBrowserImpl_TranslateAcceleratorSB,
 402     IShellBrowserImpl_BrowseObject,
 403     IShellBrowserImpl_GetViewStateStream,
 404     IShellBrowserImpl_GetControlWindow,
 405     IShellBrowserImpl_SendControlMsg,
 406     IShellBrowserImpl_QueryActiveShellView,
 407     IShellBrowserImpl_OnViewWindowActive,
 408     IShellBrowserImpl_SetToolbarItems
 409 };
 410
 411 static const struct message empty_seq[] = {
 412     { 0 }
 413 };
 414
 415 static const struct message folderview_getspacing_seq[] = {
 416     { LVM_GETITEMSPACING, wparam|sent, FALSE },
 417     { 0 }
 418 };
 419
 420 static const struct message folderview_getselectionmarked_seq[] = {
 421     { LVM_GETSELECTIONMARK, sent },
 422     { 0 }
 423 };
 424
 425 static const struct message folderview_getfocused_seq[] = {
 426     { LVM_GETNEXTITEM, sent|wparam|lparam, -1, LVNI_FOCUSED },
 427     { 0 }
 428 };
 429
 430 static const struct message folderview_itemcount_seq[] = {
 431     { LVM_GETITEMCOUNT, sent },
 432     { 0 }
 433 };
 434
 435 static void test_IShellView_CreateViewWindow(void)
 436 {
 437     IShellFolder *desktop;
 438     FOLDERSETTINGS settings;
 439     IShellView *view;
 440     IDropTarget *dt;
 441     HWND hwnd_view;
 442     HRESULT hr;
 443     RECT r = {0};
 444
 445     hr = SHGetDesktopFolder(&desktop);
 446     ok(hr == S_OK, "got (0x%08x)\n", hr);
 447
 448     hr = IShellFolder_CreateViewObject(desktop, NULL, &IID_IShellView, (void**)&view);
 449     ok(hr == S_OK, "got (0x%08x)\n", hr);
 450
 451 if (0)
 452 {
 453     /* crashes on native */
 454     hr = IShellView_CreateViewWindow(view, NULL, &settings, NULL, NULL, NULL);
 455 }
 456
 457     settings.ViewMode = FVM_ICON;
 458     settings.fFlags = 0;
 459     hwnd_view = (HWND)0xdeadbeef;
 460     hr = IShellView_CreateViewWindow(view, NULL, &settings, NULL, NULL, &hwnd_view);
 461     ok(hr == E_UNEXPECTED, "got (0x%08x)\n", hr);
 462     ok(hwnd_view == 0, "got %p\n", hwnd_view);
 463
 464     hwnd_view = (HWND)0xdeadbeef;
 465     hr = IShellView_CreateViewWindow(view, NULL, &settings, NULL, &r, &hwnd_view);
 466     ok(hr == E_UNEXPECTED, "got (0x%08x)\n", hr);
 467     ok(hwnd_view == 0, "got %p\n", hwnd_view);
 468
 469     /* ::DragLeave without drag operation */
 470     hr = IShellView_QueryInterface(view, &IID_IDropTarget, (void**)&dt);
 471     ok(hr == S_OK, "got (0x%08x)\n", hr);
 472     hr = IDropTarget_DragLeave(dt);
 473     ok(hr == S_OK, "got (0x%08x)\n", hr);
 474     IDropTarget_Release(dt);
 475
 476     IShellView_Release(view);
 477     IShellFolder_Release(desktop);
 478 }
 479
 480 static void test_IFolderView(void)
 481 {
 482     IShellFolder *desktop, *folder;
 483     FOLDERSETTINGS settings;
 484     IShellView *view;
 485     IShellBrowser *browser;
 486     IFolderView *fv;
 487     HWND hwnd_view, hwnd_list;
 488     PITEMID_CHILD pidl;
 489     HRESULT hr;
 490     INT ret;
 491     POINT pt;
 492     LONG ref1, ref2;
 493     RECT r;
 494
 495     hr = SHGetDesktopFolder(&desktop);
 496     ok(hr == S_OK, "got (0x%08x)\n", hr);
 497
 498     hr = IShellFolder_CreateViewObject(desktop, NULL, &IID_IShellView, (void**)&view);
 499     ok(hr == S_OK, "got (0x%08x)\n", hr);
 500
 501     hr = IShellView_QueryInterface(view, &IID_IFolderView, (void**)&fv);
 502     if (hr != S_OK)
 503     {
 504         win_skip("IFolderView not supported by desktop folder\n");
 505         IShellView_Release(view);
 506         IShellFolder_Release(desktop);
 507         return;
 508     }
 509
 510     /* call methods before window creation */
 511     hr = IFolderView_GetSpacing(fv, NULL);
 512     ok(hr == S_FALSE || broken(hr == S_OK) /* win7 */, "got (0x%08x)\n", hr);
 513
 514     pidl = (void*)0xdeadbeef;
 515     hr = IFolderView_Item(fv, 0, &pidl);
 516     ok(hr == E_INVALIDARG || broken(hr == E_FAIL) /* < Vista */, "got (0x%08x)\n", hr);
 517     ok(pidl == 0 || broken(pidl == (void*)0xdeadbeef) /* < Vista */, "got %p\n", pidl);
 518
 519 if (0)
 520 {
 521     /* crashes on Vista and Win2k8 - List not created yet case */
 522     hr = IFolderView_GetSpacing(fv, &pt);
 523
 524     /* crashes on XP */
 525     hr = IFolderView_GetSelectionMarkedItem(fv, NULL);
 526     hr = IFolderView_GetFocusedItem(fv, NULL);
 527
 528     /* crashes on Vista+ */
 529     hr = IFolderView_Item(fv, 0, NULL);
 530 }
 531
 532     browser = IShellBrowserImpl_Construct();
 533
 534     settings.ViewMode = FVM_ICON;
 535     settings.fFlags = 0;
 536     hwnd_view = (HWND)0xdeadbeef;
 537     r.left = r.top = 0;
 538     r.right = r.bottom = 100;
 539     hr = IShellView_CreateViewWindow(view, NULL, &settings, browser, &r, &hwnd_view);
 540     ok(hr == S_OK, "got (0x%08x)\n", hr);
 541     ok(IsWindow(hwnd_view), "got %p\n", hwnd_view);
 542
 543     hwnd_list = subclass_listview(hwnd_view);
 544     if (!hwnd_list)
 545     {
 546         win_skip("Failed to subclass ListView control\n");
 547         IShellBrowser_Release(browser);
 548         IFolderView_Release(fv);
 549         IShellView_Release(view);
 550         IShellFolder_Release(desktop);
 551         return;
 552     }
 553
 554     /* IFolderView::GetSpacing */
 555     flush_sequences(sequences, NUM_MSG_SEQUENCES);
 556     hr = IFolderView_GetSpacing(fv, NULL);
 557     ok(hr == S_OK, "got (0x%08x)\n", hr);
 558     ok_sequence(sequences, LISTVIEW_SEQ_INDEX, empty_seq, "IFolderView::GetSpacing, empty", FALSE);
 559
 560     flush_sequences(sequences, NUM_MSG_SEQUENCES);
 561     hr = IFolderView_GetSpacing(fv, &pt);
 562     ok(hr == S_OK, "got (0x%08x)\n", hr);
 563     /* fails with empty sequence on win7 for unknown reason */
 564     if (sequences[LISTVIEW_SEQ_INDEX]->count)
 565     {
 566         ok_sequence(sequences, LISTVIEW_SEQ_INDEX, folderview_getspacing_seq, "IFolderView::GetSpacing", FALSE);
 567         ok(pt.x > 0, "got %d\n", pt.x);
 568         ok(pt.y > 0, "got %d\n", pt.y);
 569         ret = SendMessageA(hwnd_list, LVM_GETITEMSPACING, 0, 0);
 570         ok(pt.x == LOWORD(ret) && pt.y == HIWORD(ret), "got (%d, %d)\n", LOWORD(ret), HIWORD(ret));
 571     }
 572
 573     /* IFolderView::GetSelectionMarkedItem */
 574 if (0)
 575 {
 576     /* crashes on XP */
 577     hr = IFolderView_GetSelectionMarkedItem(fv, NULL);
 578 }
 579
 580     flush_sequences(sequences, NUM_MSG_SEQUENCES);
 581     hr = IFolderView_GetSelectionMarkedItem(fv, &ret);
 582     ok(hr == S_OK, "got (0x%08x)\n", hr);
 583     ok_sequence(sequences, LISTVIEW_SEQ_INDEX, folderview_getselectionmarked_seq,
 584                                   "IFolderView::GetSelectionMarkedItem", FALSE);
 585
 586     /* IFolderView::GetFocusedItem */
 587     flush_sequences(sequences, NUM_MSG_SEQUENCES);
 588     hr = IFolderView_GetFocusedItem(fv, &ret);
 589     ok(hr == S_OK, "got (0x%08x)\n", hr);
 590     ok_sequence(sequences, LISTVIEW_SEQ_INDEX, folderview_getfocused_seq,
 591                                   "IFolderView::GetFocusedItem", FALSE);
 592
 593     /* IFolderView::GetFolder, just return pointer */
 594 if (0)
 595 {
 596     /* crashes on XP */
 597     hr = IFolderView_GetFolder(fv, NULL, (void**)&folder);
 598     hr = IFolderView_GetFolder(fv, NULL, NULL);
 599 }
 600
 601     hr = IFolderView_GetFolder(fv, &IID_IShellFolder, NULL);
 602     ok(hr == E_POINTER, "got (0x%08x)\n", hr);
 603
 604     ref1 = IShellFolder_AddRef(desktop);
 605     IShellFolder_Release(desktop);
 606     hr = IFolderView_GetFolder(fv, &IID_IShellFolder, (void**)&folder);
 607     ok(hr == S_OK, "got (0x%08x)\n", hr);
 608     ref2 = IShellFolder_AddRef(desktop);
 609     IShellFolder_Release(desktop);
 610     ok(ref1 == ref2, "expected same refcount, got %d\n", ref2);
 611     ok(desktop == folder, "\n");
 612
 613     /* IFolderView::ItemCount */
 614 if (0)
 615 {
 616     /* crashes on XP */
 617     hr = IFolderView_ItemCount(fv, SVGIO_ALLVIEW, NULL);
 618 }
 619
 620     flush_sequences(sequences, NUM_MSG_SEQUENCES);
 621     hr = IFolderView_ItemCount(fv, SVGIO_ALLVIEW, &ret);
 622     ok(hr == S_OK, "got (0x%08x)\n", hr);
 623     ok_sequence(sequences, LISTVIEW_SEQ_INDEX, folderview_itemcount_seq,
 624                                   "IFolderView::ItemCount", FALSE);
 625
 626     IShellBrowser_Release(browser);
 627     IFolderView_Release(fv);
 628     IShellView_Release(view);
 629     IShellFolder_Release(desktop);
 630 }
 631
 632 static void test_GetItemObject(void)
 633 {
 634     IShellFolder *desktop;
 635     IShellView *view;
 636     IUnknown *unk;
 637     HRESULT hr;
 638
 639     hr = SHGetDesktopFolder(&desktop);
 640     ok(hr == S_OK, "got (0x%08x)\n", hr);
 641
 642     hr = IShellFolder_CreateViewObject(desktop, NULL, &IID_IShellView, (void**)&view);
 643     ok(hr == S_OK, "got (0x%08x)\n", hr);
 644
 645     /* from documentation three interfaces are supported for SVGIO_BACKGROUND:
 646        IContextMenu, IDispatch, IPersistHistory */
 647     hr = IShellView_GetItemObject(view, SVGIO_BACKGROUND, &IID_IContextMenu, (void**)&unk);
 648     ok(hr == S_OK, "got (0x%08x)\n", hr);
 649     IUnknown_Release(unk);
 650
 651     unk = NULL;
 652     hr = IShellView_GetItemObject(view, SVGIO_BACKGROUND, &IID_IDispatch, (void**)&unk);
 653     todo_wine ok(hr == S_OK || broken(hr == E_NOTIMPL) /* NT4 */, "got (0x%08x)\n", hr);
 654     if (unk) IUnknown_Release(unk);
 655
 656     unk = NULL;
 657     hr = IShellView_GetItemObject(view, SVGIO_BACKGROUND, &IID_IPersistHistory, (void**)&unk);
 658     todo_wine ok(hr == S_OK || broken(hr == E_NOTIMPL) /* W9x, NT4 */, "got (0x%08x)\n", hr);
 659     if (unk) IUnknown_Release(unk);
 660
 661     /* example of unsupported interface, base for IPersistHistory */
 662     hr = IShellView_GetItemObject(view, SVGIO_BACKGROUND, &IID_IPersist, (void**)&unk);
 663     ok(hr == E_NOINTERFACE || broken(hr == E_NOTIMPL) /* W2K */, "got (0x%08x)\n", hr);
 664
 665     IShellView_Release(view);
 666     IShellFolder_Release(desktop);
 667 }
 668
 669 static void test_IShellFolderView(void)
 670 {
 671     IShellFolderView *folderview;
 672     IShellFolder *desktop;
 673     IShellView *view;
 674     IDataObject *obj;
 675     UINT i;
 676     HRESULT hr;
 677
 678     hr = SHGetDesktopFolder(&desktop);
 679     ok(hr == S_OK, "got (0x%08x)\n", hr);
 680
 681     hr = IShellFolder_CreateViewObject(desktop, NULL, &IID_IShellView, (void**)&view);
 682     ok(hr == S_OK, "got (0x%08x)\n", hr);
 683
 684     hr = IShellView_QueryInterface(view, &IID_IShellFolderView, (void**)&folderview);
 685     if (hr != S_OK)
 686     {
 687         win_skip("IShellView doesn't provide IShellFolderView on this platform\n");
 688         IShellView_Release(view);
 689         IShellFolder_Release(desktop);
 690         return;
 691     }
 692
 693     /* ::MoveIcons */
 694     obj = IDataObjectImpl_Construct();
 695     hr = IShellFolderView_MoveIcons(folderview, obj);
 696     ok(hr == E_NOTIMPL || broken(hr == S_OK) /* W98 */, "got (0x%08x)\n", hr);
 697     IDataObject_Release(obj);
 698
 699     /* ::SetRedraw without list created */
 700     hr = IShellFolderView_SetRedraw(folderview, TRUE);
 701     ok(hr == S_OK, "got (0x%08x)\n", hr);
 702
 703     /* ::QuerySupport */
 704     hr = IShellFolderView_QuerySupport(folderview, NULL);
 705     ok(hr == S_OK, "got (0x%08x)\n", hr);
 706     i = 0xdeadbeef;
 707     hr = IShellFolderView_QuerySupport(folderview, &i);
 708     ok(hr == S_OK, "got (0x%08x)\n", hr);
 709     ok(i == 0xdeadbeef, "got %d\n", i);
 710
 711     /* ::RemoveObject */
 712     i = 0xdeadbeef;
 713     hr = IShellFolderView_RemoveObject(folderview, NULL, &i);
 714     ok(hr == S_OK, "got (0x%08x)\n", hr);
 715     ok(i == 0 || i == -1 /* Win7 */ || broken(i == 0xdeadbeef) /* Vista, 2k8 */,
 716         "got %d\n", i);
 717
 718     IShellFolderView_Release(folderview);
 719
 720     IShellView_Release(view);
 721     IShellFolder_Release(desktop);
 722 }
 723
 724 static void test_IOleWindow(void)
 725 {
 726     IShellFolder *desktop;
 727     IShellView *view;
 728     HRESULT hr;
 729
 730     hr = SHGetDesktopFolder(&desktop);
 731     ok(hr == S_OK, "got (0x%08x)\n", hr);
 732
 733     hr = IShellFolder_CreateViewObject(desktop, NULL, &IID_IShellView, (void**)&view);
 734     ok(hr == S_OK, "got (0x%08x)\n", hr);
 735
 736     /* IShellView::ContextSensitiveHelp */
 737     hr = IShellView_ContextSensitiveHelp(view, TRUE);
 738     ok(hr == E_NOTIMPL, "got (0x%08x)\n", hr);
 739     hr = IShellView_ContextSensitiveHelp(view, FALSE);
 740     ok(hr == E_NOTIMPL, "got (0x%08x)\n", hr);
 741
 742     IShellView_Release(view);
 743     IShellFolder_Release(desktop);
 744 }
 745
 746 START_TEST(shlview)
 747 {
 748     OleInitialize(NULL);
 749
 750     init_msg_sequences(sequences, NUM_MSG_SEQUENCES);
 751
 752     test_IShellView_CreateViewWindow();
 753     test_IFolderView();
 754     test_GetItemObject();
 755     test_IShellFolderView();
 756     test_IOleWindow();
 757
 758     OleUninitialize();
 759 }