/*
 *    Unit tests for the NamespaceTree Control
 *
 * Copyright 2010 David Hedberg
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdio.h>

#define COBJMACROS
#define CONST_VTABLE

#include "shlobj.h"
#include "wine/test.h"

#include "msg.h"

static HWND hwnd;

/* "Intended for internal use" */
#define TVS_EX_NOSINGLECOLLAPSE 0x1

static HRESULT (WINAPI *pSHCreateShellItem)(LPCITEMIDLIST,IShellFolder*,LPCITEMIDLIST,IShellItem**);
static HRESULT (WINAPI *pSHGetIDListFromObject)(IUnknown*, PIDLIST_ABSOLUTE*);
static HRESULT (WINAPI *pSHCreateItemFromParsingName)(PCWSTR,IBindCtx*,REFIID,void**);
static HRESULT (WINAPI *pSHGetSpecialFolderLocation)(HWND, int, LPITEMIDLIST *);

#define NUM_MSG_SEQUENCES 1
#define TREEVIEW_SEQ_INDEX 0

static struct msg_sequence *sequences[NUM_MSG_SEQUENCES];

/* Keep a copy of the last structure passed by TVM_SETITEMW */
static TVITEMEXW last_tvi;
static int tvi_count;

static void init_function_pointers(void)
{
    HMODULE hmod;

    hmod = GetModuleHandleA("shell32.dll");
    pSHCreateShellItem = (void*)GetProcAddress(hmod, "SHCreateShellItem");
    pSHGetIDListFromObject = (void*)GetProcAddress(hmod, "SHGetIDListFromObject");
    pSHCreateItemFromParsingName = (void*)GetProcAddress(hmod, "SHCreateItemFromParsingName");
    pSHGetSpecialFolderLocation = (void*)GetProcAddress(hmod, "SHGetSpecialFolderLocation");
}

/*******************************************************
 * INameSpaceTreeControlEvents implementation.
 */
enum { OnItemClick = 0, OnPropertyItemCommit, OnItemStateChanging, OnItemStateChanged,
       OnSelectionChanged, OnKeyboardInput, OnBeforeExpand, OnAfterExpand, OnBeginLabelEdit,
       OnEndLabelEdit, OnGetToolTip, OnBeforeItemDelete, OnItemAdded, OnItemDeleted,
       OnBeforeContextMenu, OnAfterContextMenu, OnBeforeStateImageChange, OnGetDefaultIconIndex,
       LastEvent };

typedef struct {
    INameSpaceTreeControlEvents INameSpaceTreeControlEvents_iface;
    UINT qi_called_count;     /* Keep track of calls to QueryInterface */
    BOOL qi_enable_events;    /* If FALSE, QueryInterface returns only E_NOINTERFACE */
    UINT count[LastEvent];    /* Keep track of calls to all On* functions. */
    LONG ref;
} INameSpaceTreeControlEventsImpl;

static inline INameSpaceTreeControlEventsImpl *impl_from_INameSpaceTreeControlEvents(INameSpaceTreeControlEvents *iface)
{
    return CONTAINING_RECORD(iface, INameSpaceTreeControlEventsImpl, INameSpaceTreeControlEvents_iface);
}

static HRESULT WINAPI NSTCEvents_fnQueryInterface(
    INameSpaceTreeControlEvents* iface,
    REFIID riid,
    void **ppvObject)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    This->qi_called_count++;

    if(This->qi_enable_events && IsEqualIID(riid, &IID_INameSpaceTreeControlEvents))
    {
        INameSpaceTreeControlEvents_AddRef(iface);
        *ppvObject = iface;
        return S_OK;
    }

    return E_NOINTERFACE;
}

static ULONG WINAPI NSTCEvents_fnAddRef(
    INameSpaceTreeControlEvents* iface)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI NSTCEvents_fnRelease(
    INameSpaceTreeControlEvents* iface)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    return InterlockedDecrement(&This->ref);
}

static HRESULT WINAPI NSTCEvents_fnOnItemClick(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    NSTCEHITTEST nstceHitTest,
    NSTCECLICKTYPE nstceClickType)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnItemClick]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnPropertyItemCommit(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnPropertyItemCommit]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnItemStateChanging(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    NSTCITEMSTATE nstcisMask,
    NSTCITEMSTATE nstcisState)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnItemStateChanging]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnItemStateChanged(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    NSTCITEMSTATE nstcisMask,
    NSTCITEMSTATE nstcisState)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnItemStateChanged]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnSelectionChanged(
    INameSpaceTreeControlEvents* iface,
    IShellItemArray *psiaSelection)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psiaSelection != NULL, "IShellItemArray was NULL.\n");
    if(psiaSelection)
    {
        HRESULT hr;
        DWORD count = 0xdeadbeef;
        hr = IShellItemArray_GetCount(psiaSelection, &count);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(count == 1, "Got count 0x%x\n", count);
    }
    This->count[OnSelectionChanged]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnKeyboardInput(
    INameSpaceTreeControlEvents* iface,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    This->count[OnKeyboardInput]++;
    ok(wParam == 0x1234, "Got unexpected wParam %lx\n", wParam);
    ok(lParam == 0x1234, "Got unexpected lParam %lx\n", lParam);
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnBeforeExpand(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnBeforeExpand]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnAfterExpand(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnAfterExpand]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnBeginLabelEdit(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnBeginLabelEdit]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnEndLabelEdit(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnEndLabelEdit]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnGetToolTip(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    LPWSTR pszTip,
    int cchTip)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnGetToolTip]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnBeforeItemDelete(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnBeforeItemDelete]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnItemAdded(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    BOOL fIsRoot)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnItemAdded]++;
    return S_OK;
}

static HRESULT WINAPI NSTCEvents_fnOnItemDeleted(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    BOOL fIsRoot)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnItemDeleted]++;
    return S_OK;
}

static HRESULT WINAPI NSTCEvents_fnOnBeforeContextMenu(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    REFIID riid,
    void **ppv)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    This->count[OnBeforeContextMenu]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnAfterContextMenu(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    IContextMenu *pcmIn,
    REFIID riid,
    void **ppv)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    This->count[OnAfterContextMenu]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnBeforeStateImageChange(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnBeforeStateImageChange]++;
    return E_NOTIMPL;
}

static HRESULT WINAPI NSTCEvents_fnOnGetDefaultIconIndex(
    INameSpaceTreeControlEvents* iface,
    IShellItem *psi,
    int *piDefaultIcon,
    int *piOpenIcon)
{
    INameSpaceTreeControlEventsImpl *This = impl_from_INameSpaceTreeControlEvents(iface);

    ok(psi != NULL, "NULL IShellItem\n");
    This->count[OnGetDefaultIconIndex]++;
    return E_NOTIMPL;
}

static const INameSpaceTreeControlEventsVtbl vt_NSTCEvents = {
    NSTCEvents_fnQueryInterface,
    NSTCEvents_fnAddRef,
    NSTCEvents_fnRelease,
    NSTCEvents_fnOnItemClick,
    NSTCEvents_fnOnPropertyItemCommit,
    NSTCEvents_fnOnItemStateChanging,
    NSTCEvents_fnOnItemStateChanged,
    NSTCEvents_fnOnSelectionChanged,
    NSTCEvents_fnOnKeyboardInput,
    NSTCEvents_fnOnBeforeExpand,
    NSTCEvents_fnOnAfterExpand,
    NSTCEvents_fnOnBeginLabelEdit,
    NSTCEvents_fnOnEndLabelEdit,
    NSTCEvents_fnOnGetToolTip,
    NSTCEvents_fnOnBeforeItemDelete,
    NSTCEvents_fnOnItemAdded,
    NSTCEvents_fnOnItemDeleted,
    NSTCEvents_fnOnBeforeContextMenu,
    NSTCEvents_fnOnAfterContextMenu,
    NSTCEvents_fnOnBeforeStateImageChange,
    NSTCEvents_fnOnGetDefaultIconIndex
};

static INameSpaceTreeControlEventsImpl *create_nstc_events(void)
{
    INameSpaceTreeControlEventsImpl *This;
    This = HeapAlloc(GetProcessHeap(), 0, sizeof(INameSpaceTreeControlEventsImpl));
    This->INameSpaceTreeControlEvents_iface.lpVtbl = &vt_NSTCEvents;
    This->ref = 1;

    return This;
}

/*********************************************************************
 * Event count checking
 */
static void ok_no_events_(INameSpaceTreeControlEventsImpl *impl,
                          const char *file, int line)
{
    UINT i;
    for(i = 0; i < LastEvent; i++)
    {
        ok_(file, line)
            (!impl->count[i], "Got event %d, count %d\n", i, impl->count[i]);
        impl->count[i] = 0;
    }
}
#define ok_no_events(impl)                      \
    ok_no_events_(impl, __FILE__, __LINE__)

#define ok_event_count_broken(impl, event, c, b)                        \
    do { ok(impl->count[event] == c || broken(impl->count[event] == b), \
            "Got event %d, count %d\n", event, impl->count[event]);     \
        impl->count[event] = 0;                                         \
    } while(0)

#define ok_event_count(impl, event, c)          \
    ok_event_count_broken(impl, event, c, -1)

#define ok_event_broken(impl, event)                                    \
    do { ok(impl->count[event] || broken(!impl->count[event]),          \
            "No event.\n");                                             \
        impl->count[event] = 0;                                         \
    } while(0)

#define ok_event(impl, event)                                           \
    do { ok(impl->count[event], "No event %d.\n", event);               \
        impl->count[event] = 0;                                         \
    } while(0)

/* Process some messages */
static void process_msgs(void)
{
    MSG msg;
    BOOL got_msg;
    do {
        got_msg = FALSE;
        Sleep(100);
        while(PeekMessageW( &msg, NULL, 0, 0, PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessageW(&msg);
            got_msg = TRUE;
        }
    } while(got_msg);

    /* There seem to be a timer that sometimes fires after about
       500ms, we need to wait for it. Failing to wait can result in
       seemingly sporadic selection change events. (Timer ID is 87,
       sending WM_TIMER manually does not seem to help us.) */
    Sleep(500);

    while(PeekMessageW( &msg, NULL, 0, 0, PM_REMOVE))
    {
        TranslateMessage(&msg);
        DispatchMessageW(&msg);
    }
}

/** Some functions from shell32/tests/shlfolder.c */
/* creates a file with the specified name for tests */
static void CreateTestFile(const CHAR *name)
{
    HANDLE file;
    DWORD written;

    file = CreateFileA(name, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
    if (file != INVALID_HANDLE_VALUE)
    {
       WriteFile(file, name, strlen(name), &written, NULL);
       WriteFile(file, "\n", strlen("\n"), &written, NULL);
       CloseHandle(file);
    }
}
/* initializes the tests */
static void CreateFilesFolders(void)
{
    CreateDirectoryA(".\\testdir", NULL);
    CreateTestFile  (".\\testdir\\test1.txt ");
    CreateTestFile  (".\\testdir\\test2.txt ");
    CreateTestFile  (".\\testdir\\test3.txt ");
    CreateDirectoryA(".\\testdir\\testdir2 ", NULL);
    CreateDirectoryA(".\\testdir\\testdir2\\subdir", NULL);
}

/* cleans after tests */
static void Cleanup(void)
{
    DeleteFileA(".\\testdir\\test1.txt");
    DeleteFileA(".\\testdir\\test2.txt");
    DeleteFileA(".\\testdir\\test3.txt");
    RemoveDirectoryA(".\\testdir\\testdir2\\subdir");
    RemoveDirectoryA(".\\testdir\\testdir2");
    RemoveDirectoryA(".\\testdir");
}

/* Based on PathAddBackslashW from dlls/shlwapi/path.c */
static LPWSTR myPathAddBackslashW( LPWSTR lpszPath )
{
  size_t iLen;

  if (!lpszPath || (iLen = lstrlenW(lpszPath)) >= MAX_PATH)
    return NULL;

  if (iLen)
  {
    lpszPath += iLen;
    if (lpszPath[-1] != '\\')
    {
      *lpszPath++ = '\\';
      *lpszPath = '\0';
    }
  }
  return lpszPath;
}

static HWND get_treeview_hwnd(INameSpaceTreeControl *pnstc)
{
    IOleWindow *pow;
    HRESULT hr;
    HWND treeview = NULL;

    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleWindow, (void**)&pow);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        HWND host;
        hr = IOleWindow_GetWindow(pow, &host);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        if(SUCCEEDED(hr))
            treeview = FindWindowExW(host, NULL, WC_TREEVIEWW, NULL);
        IOleWindow_Release(pow);
    }

    return treeview;
}

static LRESULT WINAPI treeview_subclass_proc(HWND hwnd_tv, UINT message, WPARAM wParam, LPARAM lParam)
{
    WNDPROC oldproc = (WNDPROC)GetWindowLongPtrW(hwnd_tv, GWLP_USERDATA);
    static LONG defwndproc_counter = 0;
    LRESULT ret;
    struct message msg;

    msg.message = message;
    msg.flags = sent|wparam|lparam;
    if (defwndproc_counter) msg.flags |= defwinproc;
    msg.wParam = wParam;
    msg.lParam = lParam;
    msg.id = 0;
    add_message(sequences, TREEVIEW_SEQ_INDEX, &msg);

    if(message == TVM_SETITEMW)
    {
        memcpy(&last_tvi, (void*)lParam, sizeof(TVITEMEXW));
        tvi_count++;
    }

    defwndproc_counter++;
    ret = CallWindowProcW(oldproc, hwnd_tv, message, wParam, lParam);
    defwndproc_counter--;
    return ret;
}

static BOOL subclass_treeview(INameSpaceTreeControl *pnstc)
{
    HWND hwnd_tv;
    WNDPROC oldproc = NULL;

    hwnd_tv = get_treeview_hwnd(pnstc);
    if(hwnd_tv)
    {
        oldproc = (WNDPROC)SetWindowLongPtrW(hwnd_tv, GWLP_WNDPROC,
                                             (LONG_PTR)treeview_subclass_proc);
        SetWindowLongPtrW(hwnd_tv, GWLP_USERDATA, (LONG_PTR)oldproc);
        ok(oldproc != NULL, "Failed to subclass.\n");
    }

    return oldproc != 0;
}

static UINT get_msg_count(struct msg_sequence **seq, int sequence_index, UINT message)
{
    struct msg_sequence *msg_seq = seq[sequence_index];
    UINT i, count = 0;

    for(i = 0; i < msg_seq->count ; i++)
        if(msg_seq->sequence[i].message == message)
            count++;

    return count;
}

/* Returns FALSE if the NamespaceTreeControl failed to be instantiated. */
static BOOL test_initialization(void)
{
    INameSpaceTreeControl *pnstc;
    IOleWindow *pow;
    IUnknown *punk;
    HWND hwnd_host1;
    LONG lres;
    HRESULT hr;
    RECT rc;

    hr = CoCreateInstance(&CLSID_NamespaceTreeControl, NULL, CLSCTX_INPROC_SERVER,
                          &IID_INameSpaceTreeControl, (void**)&pnstc);
    ok(hr == S_OK || hr == REGDB_E_CLASSNOTREG, "Got 0x%08x\n", hr);
    if(FAILED(hr))
    {
        return FALSE;
    }

    hr = INameSpaceTreeControl_Initialize(pnstc, NULL, NULL, 0);
    ok(hr == HRESULT_FROM_WIN32(ERROR_TLW_WITH_WSCHILD), "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_Initialize(pnstc, (HWND)0xDEADBEEF, NULL, 0);
    ok(hr == HRESULT_FROM_WIN32(ERROR_INVALID_WINDOW_HANDLE), "Got (0x%08x)\n", hr);

    ZeroMemory(&rc, sizeof(RECT));
    hr = INameSpaceTreeControl_Initialize(pnstc, NULL, &rc, 0);
    ok(hr == HRESULT_FROM_WIN32(ERROR_TLW_WITH_WSCHILD), "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_Initialize(pnstc, (HWND)0xDEADBEEF, &rc, 0);
    ok(hr == HRESULT_FROM_WIN32(ERROR_INVALID_WINDOW_HANDLE), "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleWindow, (void**)&pow);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    if(SUCCEEDED(hr))
    {
        hr = IOleWindow_GetWindow(pow, &hwnd_host1);
        ok(hr == S_OK, "Got (0x%08x)\n", hr);
        ok(hwnd_host1 == NULL, "hwnd is not null.\n");

        hr = IOleWindow_ContextSensitiveHelp(pow, TRUE);
        ok(hr == E_NOTIMPL, "Got (0x%08x)\n", hr);
        hr = IOleWindow_ContextSensitiveHelp(pow, FALSE);
        ok(hr == E_NOTIMPL, "Got (0x%08x)\n", hr);
        IOleWindow_Release(pow);
    }

    hr = INameSpaceTreeControl_Initialize(pnstc, hwnd, NULL, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleWindow, (void**)&pow);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        static const CHAR namespacetree[] = "NamespaceTreeControl";
        char buf[1024];
        LONG style, expected_style;
        HWND hwnd_tv;
        hr = IOleWindow_GetWindow(pow, &hwnd_host1);
        ok(hr == S_OK, "Got (0x%08x)\n", hr);
        ok(hwnd_host1 != NULL, "hwnd_host1 is null.\n");
        buf[0] = '\0';
        GetClassNameA(hwnd_host1, buf, 1024);
        ok(!lstrcmpA(namespacetree, buf), "Class name was %s\n", buf);

        expected_style = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
        style = GetWindowLongPtrW(hwnd_host1, GWL_STYLE);
        ok(style == expected_style, "Got style %08x\n", style);

        expected_style = 0;
        style = GetWindowLongPtrW(hwnd_host1, GWL_EXSTYLE);
        ok(style == expected_style, "Got style %08x\n", style);

        expected_style = 0;
        style = SendMessageW(hwnd_host1, TVM_GETEXTENDEDSTYLE, 0, 0);
        ok(style == expected_style, "Got 0x%08x\n", style);

        hwnd_tv = FindWindowExW(hwnd_host1, NULL, WC_TREEVIEWW, NULL);
        ok(hwnd_tv != NULL, "Failed to get treeview hwnd.\n");
        if(hwnd_tv)
        {
            expected_style = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS |
                WS_CLIPCHILDREN | WS_TABSTOP | TVS_NOHSCROLL |
                TVS_NONEVENHEIGHT | TVS_INFOTIP | TVS_TRACKSELECT | TVS_EDITLABELS;
            style = GetWindowLongPtrW(hwnd_tv, GWL_STYLE);
            ok(style == expected_style, "Got style %08x\n", style);

            expected_style = 0;
            style = GetWindowLongPtrW(hwnd_tv, GWL_EXSTYLE);
            ok(style == expected_style, "Got style %08x\n", style);

            expected_style = TVS_EX_NOSINGLECOLLAPSE | TVS_EX_DOUBLEBUFFER |
                TVS_EX_RICHTOOLTIP | TVS_EX_DRAWIMAGEASYNC;
            style = SendMessageW(hwnd_tv, TVM_GETEXTENDEDSTYLE, 0, 0);
            todo_wine ok(style == expected_style, "Got 0x%08x\n", style);
        }

        IOleWindow_Release(pow);
    }

    if(0)
    {
        /* The control can be initialized again without crashing, but
         * the reference counting will break. */
        hr = INameSpaceTreeControl_Initialize(pnstc, hwnd, &rc, 0);
        ok(hr == S_OK, "Got (0x%08x)\n", hr);
        hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleWindow, (void**)&pow);
        if(SUCCEEDED(hr))
        {
            HWND hwnd_host2;
            hr = IOleWindow_GetWindow(pow, &hwnd_host2);
            ok(hr == S_OK, "Got (0x%08x)\n", hr);
            ok(hwnd_host1 != hwnd_host2, "Same hwnd.\n");
            IOleWindow_Release(pow);
        }
    }

    /* Some "random" interfaces */

    /* Next three are supported on Vista/2k8, but not on newer versions */
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceObject, (void**)&punk);
    ok(hr == E_NOINTERFACE || broken(hr == S_OK) /* vista, w2k8 */, "Got (0x%08x)\n", hr);
    if(SUCCEEDED(hr)) IUnknown_Release(punk);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceActiveObject, (void**)&punk);
    ok(hr == E_NOINTERFACE || broken(hr == S_OK) /* vista, w2k8 */, "Got (0x%08x)\n", hr);
    if(SUCCEEDED(hr)) IUnknown_Release(punk);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceObjectWindowless, (void**)&punk);
    ok(hr == E_NOINTERFACE || broken(hr == S_OK) /* vista, w2k8 */, "Got (0x%08x)\n", hr);
    if(SUCCEEDED(hr)) IUnknown_Release(punk);

    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceUIWindow, (void**)&punk);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceFrame, (void**)&punk);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceSite, (void**)&punk);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceSiteEx, (void**)&punk);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleInPlaceSiteWindowless, (void**)&punk);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);

    /* On windows, the reference count won't go to zero until the
     * window is destroyed. */
    INameSpaceTreeControl_AddRef(pnstc);
    lres = INameSpaceTreeControl_Release(pnstc);
    ok(lres > 1, "Reference count was (%d).\n", lres);

    DestroyWindow(hwnd_host1);
    lres = INameSpaceTreeControl_Release(pnstc);
    ok(!lres, "lres was %d\n", lres);

    return TRUE;
}

static void verify_root_order_(INameSpaceTreeControl *pnstc, IShellItem **roots,
                               const char *file, int line)
{
    HRESULT hr;
    IShellItemArray *psia;

    hr = INameSpaceTreeControl_GetRootItems(pnstc, &psia);
    ok_(file,line) (hr == S_OK, "GetRootItems: got (0x%08x)\n", hr);
    if(SUCCEEDED(hr))
    {
        DWORD i, expected, count = -1;
        hr = IShellItemArray_GetCount(psia, &count);
        ok_(file,line) (hr == S_OK, "Got (0x%08x)\n", hr);

        for(expected = 0; roots[expected] != NULL; expected++);
        ok_(file,line) (count == expected, "Got %d roots, expected %d\n", count, expected);

        for(i = 0; i < count && roots[i] != NULL; i++)
        {
            IShellItem *psi;
            hr = IShellItemArray_GetItemAt(psia, i, &psi);
            ok_(file,line) (hr == S_OK, "GetItemAt %i: got 0x%08x\n", i, hr);
            if(SUCCEEDED(hr))
            {
                int cmp;
                hr = IShellItem_Compare(psi, roots[i], SICHINT_DISPLAY, &cmp);
                ok_(file,line) (hr == S_OK, "Compare %i: got 0x%08x\n", i, hr);
                IShellItem_Release(psi);
            }
        }
        IShellItemArray_Release(psia);
    }
}
#define verify_root_order(pnstc, psi_a)         \
    verify_root_order_(pnstc, psi_a, __FILE__, __LINE__)

static void test_basics(void)
{
    INameSpaceTreeControl *pnstc;
    INameSpaceTreeControl2 *pnstc2;
    IShellItemArray *psia;
    IShellFolder *psfdesktop;
    IShellItem *psi;
    IShellItem *psidesktop, *psidesktop2;
    IShellItem *psitestdir, *psitestdir2, *psitest1;
    IOleWindow *pow;
    LPITEMIDLIST pidl_desktop;
    NSTCITEMSTATE istate;
    HRESULT hr;
    UINT i, res, height;
    HWND hwnd_tv;
    RECT rc;
    IShellItem *roots[10];
    POINT pt;
    int cbstate;
    WCHAR curdirW[MAX_PATH];
    WCHAR buf[MAX_PATH];
    static const WCHAR testdirW[] = {'t','e','s','t','d','i','r',0};
    static const WCHAR testdir2W[] =
        {'t','e','s','t','d','i','r','\\','t','e','s','t','d','i','r','2',0};
    static const WCHAR test1W[] =
        {'t','e','s','t','d','i','r','\\','t','e','s','t','1','.','t','x','t',0};
    static const WCHAR explorerW[] = {'E','x','p','l','o','r','e','r',0};
    static const WCHAR randomW[] = {'_','_','h','e','l','l','o',0};

    /* These should exist on platforms supporting the NSTC */
    ok(pSHCreateShellItem != NULL, "No SHCreateShellItem.\n");
    ok(pSHCreateItemFromParsingName != NULL, "No SHCreateItemFromParsingName\n");
    ok(pSHGetIDListFromObject != NULL, "No SHCreateShellItem.\n");
    ok(pSHCreateItemFromParsingName != NULL, "No SHCreateItemFromParsingName\n");

    /* Create ShellItems for testing. */
    SHGetDesktopFolder(&psfdesktop);
    hr = pSHGetIDListFromObject((IUnknown*)psfdesktop, &pidl_desktop);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        hr = pSHCreateShellItem(NULL, NULL, pidl_desktop, &psidesktop);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        if(SUCCEEDED(hr))
        {
            hr = pSHCreateShellItem(NULL, NULL, pidl_desktop, &psidesktop2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            if(FAILED(hr)) IShellItem_Release(psidesktop);
        }
        ILFree(pidl_desktop);
    }
    IShellFolder_Release(psfdesktop);

    if(FAILED(hr))
    {
        win_skip("Test setup failed.\n");
        return;
    }

    ok(psidesktop != psidesktop2, "psidesktop == psidesktop2\n");

    CreateFilesFolders();
    GetCurrentDirectoryW(MAX_PATH, curdirW);
    ok(lstrlenW(curdirW), "Got 0 length string.\n");

    lstrcpyW(buf, curdirW);
    myPathAddBackslashW(buf);
    lstrcatW(buf, testdirW);
    hr = pSHCreateItemFromParsingName(buf, NULL, &IID_IShellItem, (void**)&psitestdir);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(FAILED(hr)) goto cleanup;
    lstrcpyW(buf, curdirW);
    myPathAddBackslashW(buf);
    lstrcatW(buf, testdir2W);
    hr = pSHCreateItemFromParsingName(buf, NULL, &IID_IShellItem, (void**)&psitestdir2);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(FAILED(hr)) goto cleanup;
    lstrcpyW(buf, curdirW);
    myPathAddBackslashW(buf);
    lstrcatW(buf, test1W);
    hr = pSHCreateItemFromParsingName(buf, NULL, &IID_IShellItem, (void**)&psitest1);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(FAILED(hr)) goto cleanup;

    hr = CoCreateInstance(&CLSID_NamespaceTreeControl, NULL, CLSCTX_INPROC_SERVER,
                          &IID_INameSpaceTreeControl, (void**)&pnstc);
    ok(hr == S_OK, "Failed to initialize control (0x%08x)\n", hr);

    /* Some tests on an uninitialized control */
    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_RemoveRoot(pnstc, psidesktop);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_RemoveRoot(pnstc, NULL);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, SHCONTF_NONFOLDERS, 0, NULL);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    process_msgs();

    /* Initialize the control */
    rc.top = rc.left = 0; rc.right = rc.bottom = 200;
    hr = INameSpaceTreeControl_Initialize(pnstc, hwnd, &rc, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);


    /* Set/GetControlStyle(2) */
    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_INameSpaceTreeControl2, (void**)&pnstc2);
    ok(hr == S_OK || broken(hr == E_NOINTERFACE), "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        DWORD tmp;
        NSTCSTYLE style;
        NSTCSTYLE2 style2;
        static const NSTCSTYLE2 styles2[] =
            { NSTCS2_INTERRUPTNOTIFICATIONS,NSTCS2_SHOWNULLSPACEMENU,
              NSTCS2_DISPLAYPADDING,NSTCS2_DISPLAYPINNEDONLY,
              NTSCS2_NOSINGLETONAUTOEXPAND,NTSCS2_NEVERINSERTNONENUMERATED, 0};


        /* We can use this to differentiate between two versions of
         * this interface. Windows 7 returns hr == S_OK. */
        hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, 0, 0);
        ok(hr == S_OK || broken(hr == E_FAIL), "Got 0x%08x\n", hr);
        if(hr == S_OK)
        {
            static const NSTCSTYLE styles_setable[] =
                { NSTCS_HASEXPANDOS,NSTCS_HASLINES,NSTCS_SINGLECLICKEXPAND,
                  NSTCS_FULLROWSELECT,NSTCS_HORIZONTALSCROLL,
                  NSTCS_ROOTHASEXPANDO,NSTCS_SHOWSELECTIONALWAYS,NSTCS_NOINFOTIP,
                  NSTCS_EVENHEIGHT,NSTCS_NOREPLACEOPEN,NSTCS_DISABLEDRAGDROP,
                  NSTCS_NOORDERSTREAM,NSTCS_BORDER,NSTCS_NOEDITLABELS,
                  NSTCS_TABSTOP,NSTCS_FAVORITESMODE,NSTCS_EMPTYTEXT,NSTCS_CHECKBOXES,
                  NSTCS_ALLOWJUNCTIONS,NSTCS_SHOWTABSBUTTON,NSTCS_SHOWDELETEBUTTON,
                  NSTCS_SHOWREFRESHBUTTON, 0};
            static const NSTCSTYLE styles_nonsetable[] =
                { NSTCS_SPRINGEXPAND, NSTCS_RICHTOOLTIP, NSTCS_AUTOHSCROLL,
                  NSTCS_FADEINOUTEXPANDOS,
                  NSTCS_PARTIALCHECKBOXES, NSTCS_EXCLUSIONCHECKBOXES,
                  NSTCS_DIMMEDCHECKBOXES, NSTCS_NOINDENTCHECKS,0};

            /* Set/GetControlStyle */
            style = style2 = 0xdeadbeef;
            hr = INameSpaceTreeControl2_GetControlStyle(pnstc2, 0xFFFFFFFF, &style);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style == 0, "Got style %x\n", style);

            hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, 0, 0xFFFFFFF);
            ok(hr == S_OK, "Got 0x%08x\n", hr);

            hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, 0xFFFFFFFF, 0);
            ok(hr == E_FAIL, "Got 0x%08x\n", hr);
            hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, 0xFFFFFFFF, 0xFFFFFFFF);
            ok(hr == E_FAIL, "Got 0x%08x\n", hr);

            tmp = 0;
            for(i = 0; styles_setable[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, styles_setable[i], styles_setable[i]);
                ok(hr == S_OK, "Got 0x%08x (%x)\n", hr, styles_setable[i]);
                if(SUCCEEDED(hr)) tmp |= styles_setable[i];
            }
            for(i = 0; styles_nonsetable[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, styles_nonsetable[i], styles_nonsetable[i]);
                ok(hr == E_FAIL, "Got 0x%08x (%x)\n", hr, styles_nonsetable[i]);
            }

            hr = INameSpaceTreeControl2_GetControlStyle(pnstc2, 0xFFFFFFFF, &style);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style == tmp, "Got style %x (expected %x)\n", style, tmp);
            if(SUCCEEDED(hr))
            {
                DWORD tmp2;
                for(i = 0; styles_setable[i] != 0; i++)
                {
                    hr = INameSpaceTreeControl2_GetControlStyle(pnstc2, styles_setable[i], &tmp2);
                    ok(hr == S_OK, "Got 0x%08x\n", hr);
                    ok(tmp2 == (style & styles_setable[i]), "Got %x\n", tmp2);
                }
            }

            for(i = 0; styles_setable[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, styles_setable[i], 0);
                ok(hr == S_OK, "Got 0x%08x (%x)\n", hr, styles_setable[i]);
            }
            for(i = 0; styles_nonsetable[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, styles_nonsetable[i], 0);
                ok(hr == E_FAIL, "Got 0x%08x (%x)\n", hr, styles_nonsetable[i]);
            }
            hr = INameSpaceTreeControl2_GetControlStyle(pnstc2, 0xFFFFFFFF, &style);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style == 0, "Got style %x\n", style);

            /* Set/GetControlStyle2 */
            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFFFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == 0, "Got style %x\n", style2);

            hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, 0, 0);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, 0, 0xFFFFFFFF);
            ok(hr == S_OK, "Got 0x%08x\n", hr);

            hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, 0xFFFFFFFF, 0);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, 0xFFFFFFFF, 0xFFFFFFFF);
            ok(hr == S_OK, "Got 0x%08x\n", hr);

            hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, 0xFFFFFFFF, 0);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFFFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == 0x00000000, "Got style %x\n", style2);

            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == 0, "Got style %x\n", style2);

            tmp = 0;
            for(i = 0; styles2[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, styles2[i], styles2[i]);
                ok(hr == S_OK, "Got 0x%08x (%x)\n", hr, styles2[i]);
                if(SUCCEEDED(hr)) tmp |= styles2[i];
            }

            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == tmp, "Got style %x (expected %x)\n", style2, tmp);
            if(SUCCEEDED(hr))
            {
                DWORD tmp2;
                for(i = 0; styles2[i] != 0; i++)
                {
                    hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, styles2[i], &tmp2);
                    ok(hr == S_OK, "Got 0x%08x\n", hr);
                    ok(tmp2 == (style2 & styles2[i]), "Got %x\n", tmp2);
                }
            }

            for(i = 0; styles2[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, styles2[i], 0);
                ok(hr == S_OK, "Got 0x%08x (%x)\n", hr, styles2[i]);
            }
            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == 0, "Got style %x (expected 0)\n", style2);
        }
        else
        {
            /* 64-bit Windows Vista (others?) seems to have a somewhat
             * different idea of how the methods of this interface
             * should behave. */

            static const NSTCSTYLE styles[] =
                { NSTCS_HASEXPANDOS,NSTCS_HASLINES,NSTCS_SINGLECLICKEXPAND,
                  NSTCS_FULLROWSELECT,NSTCS_SPRINGEXPAND,NSTCS_HORIZONTALSCROLL,
                  NSTCS_RICHTOOLTIP, NSTCS_AUTOHSCROLL,
                  NSTCS_FADEINOUTEXPANDOS,
                  NSTCS_PARTIALCHECKBOXES,NSTCS_EXCLUSIONCHECKBOXES,
                  NSTCS_DIMMEDCHECKBOXES, NSTCS_NOINDENTCHECKS,
                  NSTCS_ROOTHASEXPANDO,NSTCS_SHOWSELECTIONALWAYS,NSTCS_NOINFOTIP,
                  NSTCS_EVENHEIGHT,NSTCS_NOREPLACEOPEN,NSTCS_DISABLEDRAGDROP,
                  NSTCS_NOORDERSTREAM,NSTCS_BORDER,NSTCS_NOEDITLABELS,
                  NSTCS_TABSTOP,NSTCS_FAVORITESMODE,NSTCS_EMPTYTEXT,NSTCS_CHECKBOXES,
                  NSTCS_ALLOWJUNCTIONS,NSTCS_SHOWTABSBUTTON,NSTCS_SHOWDELETEBUTTON,
                  NSTCS_SHOWREFRESHBUTTON, 0};
            trace("Detected broken INameSpaceTreeControl2.\n");

            style = 0xdeadbeef;
            hr = INameSpaceTreeControl2_GetControlStyle(pnstc2, 0xFFFFFFFF, &style);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style == 0xdeadbeef, "Got style %x\n", style);

            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFFFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == 0, "Got style %x\n", style2);

            tmp = 0;
            for(i = 0; styles[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle(pnstc2, styles[i], styles[i]);
                ok(hr == E_FAIL || ((styles[i] & NSTCS_SPRINGEXPAND) && hr == S_OK),
                   "Got 0x%08x (%x)\n", hr, styles[i]);
                if(SUCCEEDED(hr)) tmp |= styles[i];
            }

            style = 0xdeadbeef;
            hr = INameSpaceTreeControl2_GetControlStyle(pnstc2, tmp, &style);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style == 0xdeadbeef, "Got style %x\n", style);

            tmp = 0;
            for(i = 0; styles2[i] != 0; i++)
            {
                hr = INameSpaceTreeControl2_SetControlStyle2(pnstc2, styles2[i], styles2[i]);
                ok(hr == S_OK, "Got 0x%08x (%x)\n", hr, styles2[i]);
                if(SUCCEEDED(hr)) tmp |= styles2[i];
            }

            style2 = 0xdeadbeef;
            hr = INameSpaceTreeControl2_GetControlStyle2(pnstc2, 0xFFFFFFFF, &style2);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(style2 == tmp, "Got style %x\n", style2);

        }

        INameSpaceTreeControl2_Release(pnstc2);
    }
    else
    {
        skip("INameSpaceTreeControl2 missing.\n");
    }

    hr = INameSpaceTreeControl_RemoveRoot(pnstc, NULL);
    ok(hr == E_NOINTERFACE, "Got (0x%08x)\n", hr);

    /* Append / Insert root */
    if(0)
    {
        /* Crashes under Windows 7 */
        INameSpaceTreeControl_AppendRoot(pnstc, NULL, SHCONTF_FOLDERS, 0, NULL);
        INameSpaceTreeControl_InsertRoot(pnstc, 0, NULL, SHCONTF_FOLDERS, 0, NULL);
    }

    /* Note the usage of psidesktop and psidesktop2 */
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop2, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_RemoveRoot(pnstc, psidesktop);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_RemoveRoot(pnstc, psidesktop);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_RemoveRoot(pnstc, psidesktop);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_RemoveRoot(pnstc, psidesktop);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_InsertRoot(pnstc, 0, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_InsertRoot(pnstc, -1, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_InsertRoot(pnstc, -1, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_InsertRoot(pnstc, 50, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_InsertRoot(pnstc, 1, psidesktop, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    /* GetRootItems */
    if(0)
    {
        /* Crashes on native. */
        INameSpaceTreeControl_GetRootItems(pnstc, NULL);
    }

    hr = INameSpaceTreeControl_GetRootItems(pnstc, &psia);
    ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop2, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir2, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    roots[0] = psidesktop;
    roots[1] = psidesktop2;
    roots[2] = psitestdir;
    roots[3] = psitestdir2;
    roots[4] = NULL;
    verify_root_order(pnstc, roots);

    hr = INameSpaceTreeControl_InsertRoot(pnstc, 0, psitestdir2, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    roots[0] = psitestdir2;
    roots[1] = psidesktop;
    roots[2] = psidesktop2;
    roots[3] = psitestdir;
    roots[4] = psitestdir2;
    roots[5] = NULL;
    verify_root_order(pnstc, roots);

    hr = INameSpaceTreeControl_InsertRoot(pnstc, 5, psidesktop, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    roots[0] = psitestdir2;
    roots[1] = psidesktop;
    roots[2] = psidesktop2;
    roots[3] = psitestdir;
    roots[4] = psitestdir2;
    roots[5] = psidesktop;
    roots[6] = NULL;
    verify_root_order(pnstc, roots);

    hr = INameSpaceTreeControl_InsertRoot(pnstc, 3, psitestdir2, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    roots[0] = psitestdir2;
    roots[1] = psidesktop;
    roots[2] = psidesktop2;
    roots[3] = psitestdir2;
    roots[4] = psitestdir;
    roots[5] = psitestdir2;
    roots[6] = psidesktop;
    roots[7] = NULL;
    verify_root_order(pnstc, roots);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir2, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    roots[0] = psitestdir2;
    roots[1] = psidesktop;
    roots[2] = psidesktop2;
    roots[3] = psitestdir2;
    roots[4] = psitestdir;
    roots[5] = psitestdir2;
    roots[6] = psidesktop;
    roots[7] = psitestdir2;
    roots[8] = NULL;
    verify_root_order(pnstc, roots);

    hr = INameSpaceTreeControl_InsertRoot(pnstc, -1, psidesktop, 0, 0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    roots[0] = psidesktop;
    roots[1] = psitestdir2;
    roots[2] = psidesktop;
    roots[3] = psidesktop2;
    roots[4] = psitestdir2;
    roots[5] = psitestdir;
    roots[6] = psitestdir2;
    roots[7] = psidesktop;
    roots[8] = psitestdir2;
    roots[9] = NULL;
    verify_root_order(pnstc, roots);

    /* CollapseAll */
    hr = INameSpaceTreeControl_CollapseAll(pnstc);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    hr = INameSpaceTreeControl_CollapseAll(pnstc);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    /* SetItemState message checks */
    res = subclass_treeview(pnstc);
    ok(res, "Failed to subclass treeview.\n");
    if(res)
    {
        UINT isMask, isFlags;

        hr = INameSpaceTreeControl_AppendRoot(
            pnstc, psidesktop, SHCONTF_NONFOLDERS | SHCONTF_FOLDERS, 0, NULL);
        ok(hr == S_OK, "Got (0x%08x)\n", hr);
        flush_sequences(sequences, NUM_MSG_SEQUENCES);

        /* A special case -
         *  The first expansion results in an "unrelated" TVM_SETITEMW being sent
         *  (mask == 0x50 (TVIF_CHILDREN|TVIF_HANDLE) )
         */
        tvi_count = 0;
        hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop,
                                                NSTCIS_EXPANDED, NSTCIS_EXPANDED);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        todo_wine
        {
            ok(tvi_count == 1, "Got %d\n", tvi_count);
            ok(last_tvi.mask == 0x50, "Got mask %x, expected 0x50\n", last_tvi.mask);
        }

        tvi_count = 0;
        hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop,
                                                NSTCIS_EXPANDED, NSTCIS_EXPANDED);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(tvi_count == 0, "Got %d\n", tvi_count);

        /* Test all the combinations of NSTCIS_SELECTED to NSTCIS_SELECTEDNOEXPAND */
        flush_sequences(sequences, NUM_MSG_SEQUENCES);
        for(isMask = 0; isMask <= 0x1f; isMask++)
        {
            for(isFlags = 0; isFlags <= 0x1f; isFlags++)
            {
                UINT select_sent, select_sent_vista, ensurev_sent, expand_sent;
                TVITEMEXW tviexp;
                UINT msg_count;

                flush_sequences(sequences, NUM_MSG_SEQUENCES);
                tvi_count = 0;

                hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, isMask, isFlags);
                ok(hr == S_OK, "(%x|%x)Got 0x%08x\n", isMask, isFlags, hr);

                /*****************************/
                /* Calculate expected values */
                /*****************************/

                /* Number of TVM_SELECTITEM/TVM_ENSUREVISIBLE and TVM_EXPAND sent */
                select_sent = ((isMask&isFlags) & NSTCIS_SELECTED)?1:0;
                select_sent_vista = ensurev_sent = select_sent;

                select_sent +=       ((isMask&isFlags) & NSTCIS_SELECTEDNOEXPAND)?1:0;
                select_sent_vista += ((isMask&isFlags) & NSTCIS_EXPANDED)?1:0;
                expand_sent =        ((isMask|isFlags) & NSTCIS_EXPANDED)?1:0;

                /* Possible TWM_SETITEMW message and its contents */
                if(isMask & NSTCIS_DISABLED)
                    tviexp.mask = TVIF_STATE | TVIF_STATEEX;
                else if( ((isMask^isFlags) & (NSTCIS_SELECTED|NSTCIS_EXPANDED|NSTCIS_SELECTEDNOEXPAND)) ||
                         ((isMask|isFlags) & NSTCIS_BOLD) || (isFlags & NSTCIS_DISABLED) )
                    tviexp.mask = TVIF_STATE;
                else
                    tviexp.mask = 0;

                if(tviexp.mask)
                {
                    tviexp.stateMask = tviexp.state = 0;
                    tviexp.stateMask |= ((isMask^isFlags)&NSTCIS_SELECTED) ? TVIS_SELECTED : 0;
                    tviexp.stateMask |= (isMask|isFlags)&NSTCIS_BOLD ? TVIS_BOLD:0;
                    tviexp.state     |= (isMask&isFlags)&NSTCIS_BOLD ? TVIS_BOLD:0;

                    if((isMask&NSTCIS_EXPANDED)^(isFlags&NSTCIS_EXPANDED))
                    {
                        tviexp.stateMask = 0;
                    }

                    tviexp.uStateEx = (isFlags&isMask)&NSTCIS_DISABLED?TVIS_EX_DISABLED:0;
                }
                else
                {
                    /* Make sure that no tests accidentally succeeded
                     * (and avoid a gcc warning) */
                    tviexp.stateMask = tviexp.state = tviexp.uStateEx = -1;
                }

                /*****************************/
                /*      Check the values.    */
                /*****************************/

                msg_count = get_msg_count(sequences, TREEVIEW_SEQ_INDEX, TVM_SELECTITEM);
                ok(msg_count == select_sent || broken(msg_count == select_sent_vista),
                   "(%x|%x) Got msg_count %d, expected %d (%d)\n",
                   isMask, isFlags, msg_count, select_sent, select_sent_vista);
                msg_count = get_msg_count(sequences, TREEVIEW_SEQ_INDEX, TVM_ENSUREVISIBLE);
                ok(msg_count == ensurev_sent || broken(msg_count == 0 /* Vista */),
                   "(%x|%x) Got msg_count %d, expected %d\n",
                   isMask, isFlags, msg_count, ensurev_sent);
                msg_count = get_msg_count(sequences, TREEVIEW_SEQ_INDEX, TVM_EXPAND);
                ok(msg_count == expand_sent, "(%x|%x) Got msg_count %d, expected %d\n",
                   isMask, isFlags, msg_count, expand_sent);

                msg_count = get_msg_count(sequences, TREEVIEW_SEQ_INDEX, TVM_SETITEMW);
                if(!tviexp.mask)
                {
                    /* Four special cases for vista */
                    BOOL vista_check = ( (isMask == 0x10 && isFlags == 0x10) ||
                                         (isMask == 0x11 && isFlags == 0x11) ||
                                         (isMask == 0x12 && isFlags == 0x12) ||
                                         (isMask == 0x13 && isFlags == 0x13) );

                    ok(msg_count == 0 || broken(msg_count == 1 && vista_check),
                       "(%x|%x) Got msg_count %d (tviexp.mask %x)\n",
                       isMask, isFlags, msg_count, tviexp.mask);
                }
                else
                {
                    ok(msg_count == 1, "(%x|%x) Got msg_count %d, expected 1\n",
                       isMask, isFlags, msg_count);
                    ok(last_tvi.mask == tviexp.mask,
                       "(%x|%x) Got mask %x, expected %x\n",
                       isMask, isFlags, last_tvi.mask, tviexp.mask);
                    ok(last_tvi.stateMask == tviexp.stateMask,
                       "(%x|%x) Got stateMask %x, expected %x\n",
                       isMask, isFlags, last_tvi.stateMask, tviexp.stateMask);
                    ok(last_tvi.state == tviexp.state,
                       "(%x|%x) Got state %x, expected %x\n",
                       isMask, isFlags,     last_tvi.state, tviexp.state);
                    ok(last_tvi.uStateEx == tviexp.uStateEx,
                       "(%x|%x) Got uStateEx %x, expected %x\n",
                       isMask, isFlags,   last_tvi.uStateEx, tviexp.uStateEx);
                }
            }
        }
        hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
        ok(hr == S_OK, "Got (0x%08x)\n", hr);
    }

    /* GetSelectedItems */
    if(0)
    {
        /* Crashes under Windows 7 */
        INameSpaceTreeControl_GetSelectedItems(pnstc, NULL);
    }

    psia = (void*)0xdeadbeef;
    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    ok(hr == E_FAIL, "Got 0x%08x\n", hr);
    ok(!psia || broken(psia == (void*)0xdeadbeef /* before Win8 */), "Got %p\n", psia);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir2, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir, SHCONTF_FOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_SetItemState(pnstc, psitestdir,
                                            NSTCIS_SELECTED, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        UINT count;
        hr = IShellItemArray_GetCount(psia, &count);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(count == 1, "Got %d selected items.\n", count);
        if(count)
        {
            hr = IShellItemArray_GetItemAt(psia, 0, &psi);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            if(SUCCEEDED(hr))
            {
                int cmp;
                hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
                ok(hr == S_OK, "Got 0x%08x\n", hr);
                IShellItem_Release(psi);
            }
        }
        IShellItemArray_Release(psia);
    }

    hr = INameSpaceTreeControl_SetItemState(pnstc, psitestdir2,
                                            NSTCIS_SELECTED, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        UINT count;
        hr = IShellItemArray_GetCount(psia, &count);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(count == 1, "Got %d selected items.\n", count);
        if(count)
        {
            hr = IShellItemArray_GetItemAt(psia, 0, &psi);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            if(SUCCEEDED(hr))
            {
                int cmp;
                hr = IShellItem_Compare(psi, psitestdir2, SICHINT_DISPLAY, &cmp);
                ok(hr == S_OK, "Got 0x%08x\n", hr);
                IShellItem_Release(psi);
            }
        }
        IShellItemArray_Release(psia);
    }

    hr = INameSpaceTreeControl_SetItemState(pnstc, psitest1,
                                            NSTCIS_SELECTED, NSTCIS_SELECTED);
    todo_wine ok(hr == S_OK, "Got 0x%08x\n", hr);
    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        UINT count;
        hr = IShellItemArray_GetCount(psia, &count);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(count == 1, "Got %d selected items.\n", count);
        if(count)
        {
            hr = IShellItemArray_GetItemAt(psia, 0, &psi);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            if(SUCCEEDED(hr))
            {
                int cmp;
                hr = IShellItem_Compare(psi, psitest1, SICHINT_DISPLAY, &cmp);
                todo_wine ok(hr == S_OK, "Got 0x%08x\n", hr);
                IShellItem_Release(psi);
            }
        }
        IShellItemArray_Release(psia);
    }

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK || broken(hr == E_FAIL), "Got 0x%08x\n", hr);
    if(hr == E_FAIL)
    {
        /* For some reason, Vista fails to properly remove both the
         * roots here on the first try. */
        hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
    }

    /* Adding without NSTCRS_EXPANDED does not set the selection */
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
                                          0, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_GetItemState(pnstc, psitestdir, 0xFF, &istate);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    ok(!(istate & NSTCIS_SELECTED), "Got 0x%08x\n", istate);
    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    ok(hr == E_FAIL, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr)) IShellItemArray_Release(psia);

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    /* Adding with NSTCRS_EXPANDED sets the selection */
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
                                          NSTCRS_EXPANDED, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_GetItemState(pnstc, psitestdir, 0xFF, &istate);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    todo_wine ok(istate & NSTCIS_SELECTED, "Got 0x%08x\n", istate);
    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    todo_wine ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        IShellItem *psi;

        hr = IShellItemArray_GetItemAt(psia, 0, &psi);
        if(SUCCEEDED(hr))
        {
            INT cmp;
            hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
            ok(hr == S_OK, "Got 0x%08x\n", hr);

            IShellItem_Release(psi);
        }

        IShellItemArray_Release(psia);
    }

    /* Adding a second root with NSTCRS_EXPANDED does not change the selection */
    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir2,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
                                          NSTCRS_EXPANDED, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_GetItemState(pnstc, psitestdir2, 0xFF, &istate);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    ok(!(istate & NSTCIS_SELECTED), "Got 0x%08x\n", istate);
    hr = INameSpaceTreeControl_GetSelectedItems(pnstc, &psia);
    todo_wine ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        IShellItem *psi;

        hr = IShellItemArray_GetItemAt(psia, 0, &psi);
        if(SUCCEEDED(hr))
        {
            INT cmp;
            hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
            ok(hr == S_OK, "Got 0x%08x\n", hr);

            IShellItem_Release(psi);
        }

        IShellItemArray_Release(psia);
    }

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    /* GetItemRect */
    rc.top = rc.left = rc.bottom = rc.right = 0;
    if(0)
    {
        /* Crashes under win 7 */
        INameSpaceTreeControl_GetItemRect(pnstc, NULL, NULL);
        INameSpaceTreeControl_GetItemRect(pnstc, psitestdir, NULL);
        INameSpaceTreeControl_GetItemRect(pnstc, NULL, &rc);
    }

    hr = INameSpaceTreeControl_GetItemRect(pnstc, psitestdir, &rc);
    ok(hr == E_INVALIDARG, "Got 0x%08x\n", hr);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
                                          NSTCRS_EXPANDED, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_GetItemRect(pnstc, psitestdir, &rc);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    ok(rc.top != rc.bottom, "Got 0 height.\n");
    ok(rc.left != rc.bottom, "Got 0 width.\n");

    height = 0;
    hwnd_tv = get_treeview_hwnd(pnstc);
    if(hwnd_tv)
    {
        HTREEITEM hroot = (HTREEITEM)SendMessageW(hwnd_tv, TVM_GETNEXTITEM, TVGN_ROOT, 0);
        ok(hroot != NULL, "Failed to get root.\n");
        if(hroot)
        {
            RECT tv_rc;
            BOOL bret;

            *(HTREEITEM*)&tv_rc = hroot;
            bret = SendMessageW(hwnd_tv, TVM_GETITEMRECT, FALSE, (LPARAM)&tv_rc);
            ok(bret, "TVM_GETITEMRECT failed.\n");

            /* The NamespaceTreeControl returns screen coordinates. */
            MapWindowPoints(NULL, hwnd, (POINT*)&rc, 2);
            ok(rc.left == tv_rc.left, "Differed, got %d and %d\n", rc.left, tv_rc.left);
            ok(rc.top == tv_rc.top, "Differed, got %d and %d\n", rc.top, tv_rc.top);
            ok(rc.right == tv_rc.right, "Differed, got %d and %d\n", rc.right, tv_rc.right);
            ok(rc.bottom == tv_rc.bottom, "Differed, got %d and %d\n", rc.bottom, tv_rc.bottom);

            /* Save the height and compare to that of other items.
               Observed values: 18, 19, 21 */
            height = rc.bottom - rc.top;
            trace("height: %d\n", height);
        }
    }
    else
        win_skip("Skipping some GetItemRect tests.\n");

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    /*  HitTest */
    hr = INameSpaceTreeControl_HitTest(pnstc, NULL, NULL);
    ok(hr == E_POINTER, "Got 0x%08x\n", hr);
    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, NULL);
    ok(hr == E_POINTER, "Got 0x%08x\n", hr);
    hr = INameSpaceTreeControl_HitTest(pnstc, NULL, &psi);
    ok(hr == E_POINTER, "Got 0x%08x\n", hr);

    psi = (void*)0xdeadbeef;
    pt.x = pt.y = 0;
    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
    ok(hr == S_FALSE, "Got 0x%08x\n", hr);
    ok(psi == NULL, "Got psi %p\n", psi);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
                                          NSTCRS_EXPANDED, NULL);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    process_msgs();

    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        int cmp;
        hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(!cmp, "Got cmp %d\n", cmp);
        IShellItem_Release(psi);
    }

    pt.y += height - 1;
    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        int cmp;
        hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(!cmp, "Got cmp %d\n", cmp);
        IShellItem_Release(psi);
    }

    pt.y += 1;
    hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        int cmp;
        todo_wine
        {
            hr = IShellItem_Compare(psi, psitestdir, SICHINT_DISPLAY, &cmp);
            ok(hr == S_FALSE, "Got 0x%08x\n", hr);
            ok(cmp, "no cmp value.\n");
            hr = IShellItem_Compare(psi, psitestdir2, SICHINT_DISPLAY, &cmp);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(!cmp, "Got cmp %d\n", cmp);
        }
        IShellItem_Release(psi);
    }

    hr = INameSpaceTreeControl_GetItemRect(pnstc, psitestdir2, &rc);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        MapWindowPoints(NULL, hwnd, (POINT*)&rc, 2);
        pt.x = rc.left; pt.y = rc.top;

        hr = INameSpaceTreeControl_HitTest(pnstc, &pt, &psi);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        if(SUCCEEDED(hr))
        {
            int cmp;
            hr = IShellItem_Compare(psi, psitestdir2, SICHINT_DISPLAY, &cmp);
            ok(hr == S_OK, "Got 0x%08x\n", hr);
            ok(!cmp, "Got cmp %d\n", cmp);
            IShellItem_Release(psi);
        }
    }

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    /* GetItemCustomState / SetItemCustomState */
    if(0)
    {
        /* Crashes under Windows 7 */
        INameSpaceTreeControl_GetItemCustomState(pnstc, NULL, NULL);
        INameSpaceTreeControl_GetItemCustomState(pnstc, NULL, &cbstate);
        INameSpaceTreeControl_GetItemCustomState(pnstc, psitestdir, NULL);
        INameSpaceTreeControl_SetItemCustomState(pnstc, NULL, 0);
    }

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psitestdir,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
                                          0, NULL);
    process_msgs();
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    todo_wine
    {
        cbstate = -1;
        hr = INameSpaceTreeControl_GetItemCustomState(pnstc, psitestdir, &cbstate);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(cbstate == BST_UNCHECKED || broken(cbstate == BST_CHECKED /* Vista x64 */),
           "Got %d\n", cbstate);

        hr = INameSpaceTreeControl_SetItemCustomState(pnstc, psitestdir, BST_CHECKED);
        ok(hr == S_OK, "Got 0x%08x\n", hr);

        cbstate = -1;
        hr = INameSpaceTreeControl_GetItemCustomState(pnstc, psitestdir, &cbstate);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(cbstate == BST_CHECKED, "Got %d\n", cbstate);

        hr = INameSpaceTreeControl_SetItemCustomState(pnstc, psitestdir, 0xFFF);
        ok(hr == S_OK, "Got 0x%08x\n", hr);

        cbstate = -1;
        hr = INameSpaceTreeControl_GetItemCustomState(pnstc, psitestdir, &cbstate);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        ok(cbstate == 0xF, "Got %d\n", cbstate);
    }

    /* SetTheme */
    todo_wine
    {
        hr = INameSpaceTreeControl_SetTheme(pnstc, NULL);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        hr = INameSpaceTreeControl_SetTheme(pnstc, explorerW);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        hr = INameSpaceTreeControl_SetTheme(pnstc, randomW);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
    }

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);

    IShellItem_Release(psidesktop);
    IShellItem_Release(psidesktop2);
    IShellItem_Release(psitestdir);
    IShellItem_Release(psitestdir2);
    IShellItem_Release(psitest1);

    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleWindow, (void**)&pow);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        HWND hwnd_nstc;
        hr = IOleWindow_GetWindow(pow, &hwnd_nstc);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        DestroyWindow(hwnd_nstc);
        IOleWindow_Release(pow);
    }

    res = INameSpaceTreeControl_Release(pnstc);
    ok(!res, "res was %d!\n", res);

cleanup:
    Cleanup();
}

static void test_events(void)
{
    INameSpaceTreeControl *pnstc;
    INameSpaceTreeControlEventsImpl *pnstceimpl, *pnstceimpl2;
    INameSpaceTreeControlEvents *pnstce, *pnstce2;
    IShellFolder *psfdesktop;
    IShellItem *psidesktop;
    IOleWindow *pow;
    LPITEMIDLIST pidl_desktop;
    LPITEMIDLIST pidl_drives;
    NSTCITEMSTATE itemstate;
    IShellItem *psi;
    DWORD cookie1, cookie2;
    HWND hwnd_tv;
    HRESULT hr;
    UINT res;

    hr = CoCreateInstance(&CLSID_NamespaceTreeControl, NULL, CLSCTX_INPROC_SERVER,
                          &IID_INameSpaceTreeControl, (void**)&pnstc);
    ok(hr == S_OK, "Failed to initialize control (0x%08x)\n", hr);

    ok(pSHCreateShellItem != NULL, "No SHCreateShellItem.\n");
    ok(pSHGetIDListFromObject != NULL, "No SHCreateShellItem.\n");

    SHGetDesktopFolder(&psfdesktop);
    hr = pSHGetIDListFromObject((IUnknown*)psfdesktop, &pidl_desktop);
    IShellFolder_Release(psfdesktop);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    hr = pSHCreateShellItem(NULL, NULL, pidl_desktop, &psidesktop);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    ILFree(pidl_desktop);

    /* Create two instances of INameSpaceTreeControlEvents */
    pnstceimpl = create_nstc_events();
    pnstce = &pnstceimpl->INameSpaceTreeControlEvents_iface;
    ZeroMemory(&pnstceimpl->count, sizeof(UINT)*LastEvent);
    pnstceimpl2 = create_nstc_events();
    pnstce2 = &pnstceimpl2->INameSpaceTreeControlEvents_iface;

    if(0)
    {
        /* Crashes native */
        INameSpaceTreeControl_TreeAdvise(pnstc, NULL, NULL);
        INameSpaceTreeControl_TreeAdvise(pnstc, NULL, &cookie1);
        INameSpaceTreeControl_TreeAdvise(pnstc, (IUnknown*)pnstce, NULL);
    }

    /* TreeAdvise in NameSpaceTreeController seems to support only one
     * client at the time.
     */

    /* First, respond with E_NOINTERFACE to all QI's */
    pnstceimpl->qi_enable_events = FALSE;
    pnstceimpl->qi_called_count = 0;
    cookie1 = 1;
    hr = INameSpaceTreeControl_TreeAdvise(pnstc, (IUnknown*)pnstce, &cookie1);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    ok(cookie1 == 0, "cookie now (0x%08x)\n", cookie1);
    ok(pnstceimpl->qi_called_count > 1, "got %d\n", pnstceimpl->qi_called_count);
    ok(pnstceimpl->ref == 1, "refcount was %d\n", pnstceimpl->ref);

    /* Accept query for IID_INameSpaceTreeControlEvents */
    pnstceimpl->qi_enable_events = TRUE;
    pnstceimpl->qi_called_count = 0;
    cookie1 = 0;
    hr = INameSpaceTreeControl_TreeAdvise(pnstc, (IUnknown*)pnstce, &cookie1);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(cookie1 == 1, "cookie now (0x%08x)\n", cookie1);
    ok(pnstceimpl->qi_called_count > 1, "got %d\n", pnstceimpl->qi_called_count);
    ok(pnstceimpl->ref == 2, "refcount was %d\n", pnstceimpl->ref);

    /* A second time, query interface will not be called at all. */
    pnstceimpl->qi_enable_events = TRUE;
    pnstceimpl->qi_called_count = 0;
    cookie2 = 1;
    hr = INameSpaceTreeControl_TreeAdvise(pnstc, (IUnknown*)pnstce, &cookie2);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    ok(cookie2 == 0, "cookie now (0x%08x)\n", cookie2);
    ok(!pnstceimpl->qi_called_count, "QueryInterface called %d times.\n",
       pnstceimpl->qi_called_count);
    ok(pnstceimpl->ref == 2, "refcount was %d\n", pnstceimpl->ref);

    /* Using another "instance" does not help. */
    pnstceimpl2->qi_enable_events = TRUE;
    pnstceimpl2->qi_called_count = 0;
    cookie2 = 1;
    hr = INameSpaceTreeControl_TreeAdvise(pnstc, (IUnknown*)pnstce2, &cookie2);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    ok(cookie2 == 0, "cookie now (0x%08x)\n", cookie2);
    ok(!pnstceimpl2->qi_called_count, "QueryInterface called %d times.\n",
       pnstceimpl2->qi_called_count);
    ok(pnstceimpl2->ref == 1, "refcount was %d\n", pnstceimpl->ref);

    /* Unadvise with bogus cookie (will actually unadvise properly) */
    pnstceimpl->qi_enable_events = TRUE;
    pnstceimpl->qi_called_count = 0;
    hr = INameSpaceTreeControl_TreeUnadvise(pnstc, 1234);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(!pnstceimpl->qi_called_count, "QueryInterface called %d times.\n",
       pnstceimpl->qi_called_count);
    ok(pnstceimpl->ref == 1, "refcount was %d\n", pnstceimpl->ref);

    /* Unadvise "properly" (will have no additional effect) */
    pnstceimpl->qi_enable_events = TRUE;
    pnstceimpl->qi_called_count = 0;
    hr = INameSpaceTreeControl_TreeUnadvise(pnstc, cookie1);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(!pnstceimpl->qi_called_count, "QueryInterface called %d times.\n",
       pnstceimpl->qi_called_count);
    ok(pnstceimpl->ref == 1, "refcount was %d\n", pnstceimpl->ref);

    /* Advise again.. */
    pnstceimpl->qi_enable_events = 1;
    pnstceimpl->qi_called_count = 0;
    hr = INameSpaceTreeControl_TreeAdvise(pnstc, (IUnknown*)pnstce, &cookie2);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(cookie2 == 1, "Cookie is %d\n", cookie2);
    ok(cookie1 == cookie2, "Old cookie differs from old cookie.\n");
    /* several kinds of callbacks are queried for */
    ok(pnstceimpl->qi_called_count > 1, "got %d\n", pnstceimpl->qi_called_count);
    ok(pnstceimpl->ref == 2, "refcount was %d\n", pnstceimpl->ref);

    /* Initialize the control */
    hr = INameSpaceTreeControl_Initialize(pnstc, hwnd, NULL, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count_broken(pnstceimpl, OnItemAdded, 1, 0 /* Vista */);
    ok_event_count(pnstceimpl, OnGetDefaultIconIndex, 0);
    ok_no_events(pnstceimpl);

    hwnd_tv = get_treeview_hwnd(pnstc);
    ok(hwnd_tv != NULL, "Failed to get hwnd_tv HWND.\n");
    if(hwnd_tv)
    {
        HTREEITEM hroot, hitem;
        UINT i;
        static const UINT kbd_msgs_event[] = {
            WM_KEYDOWN, WM_KEYUP, WM_CHAR, WM_SYSKEYDOWN, WM_SYSKEYUP,
            WM_SYSCHAR, 0 };
        static const UINT kbd_msgs_noevent[] ={
            WM_DEADCHAR, WM_SYSDEADCHAR, WM_UNICHAR, 0 };

        /* Test On*Expand */
        hroot = (HTREEITEM)SendMessageW(hwnd_tv, TVM_GETNEXTITEM, TVGN_ROOT, 0);
        SendMessageW(hwnd_tv, TVM_EXPAND, TVE_EXPAND, (LPARAM)hroot);
        process_msgs();
        ok_event_count(pnstceimpl, OnBeforeExpand, 1);
        ok_event_count(pnstceimpl, OnAfterExpand, 1);
        ok_event_broken(pnstceimpl, OnItemAdded); /* No event on Vista */
        todo_wine ok_event_count(pnstceimpl, OnSelectionChanged, 1);
        ok_no_events(pnstceimpl);
        SendMessageW(hwnd_tv, TVM_EXPAND, TVE_COLLAPSE, (LPARAM)hroot);
        process_msgs();
        ok_no_events(pnstceimpl);
        SendMessageW(hwnd_tv, TVM_EXPAND, TVE_EXPAND, (LPARAM)hroot);
        process_msgs();
        ok_no_events(pnstceimpl);

        /* Test OnSelectionChanged */
        hitem = (HTREEITEM)SendMessageW(hwnd_tv, TVM_GETNEXTITEM, TVGN_CHILD, (LPARAM)hroot);
        SendMessageW(hwnd_tv, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hitem);
        process_msgs();
        ok_event_count(pnstceimpl, OnSelectionChanged, 1);
        ok_no_events(pnstceimpl);

        /* Test OnKeyboardInput */
        for(i = 0; kbd_msgs_event[i] != 0; i++)
        {
            SendMessageW(hwnd_tv, kbd_msgs_event[i], 0x1234, 0x1234);
            ok(pnstceimpl->count[OnKeyboardInput] == 1,
               "%d (%x): Got count %d\n",
               kbd_msgs_event[i], kbd_msgs_event[i], pnstceimpl->count[OnKeyboardInput]);
            pnstceimpl->count[OnKeyboardInput] = 0;
        }

        for(i = 0; kbd_msgs_noevent[i] != 0; i++)
        {
            SendMessageW(hwnd_tv, kbd_msgs_noevent[i], 0x1234, 0x1234);
            ok(pnstceimpl->count[OnKeyboardInput] == 0,
               "%d (%x): Got count %d\n",
               kbd_msgs_noevent[i], kbd_msgs_noevent[i], pnstceimpl->count[OnKeyboardInput]);
            pnstceimpl->count[OnKeyboardInput] = 0;
        }
        ok_no_events(pnstceimpl);
    }
    else
        skip("Skipping some tests.\n");

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    process_msgs();
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    ok_event(pnstceimpl, OnItemDeleted);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count_broken(pnstceimpl, OnItemAdded, 1, 0 /* Vista */);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_NONE, "itemstate is 0x%08x\n", itemstate);
    process_msgs();
    ok_no_events(pnstceimpl);

    /* Expand the root */
    itemstate |= NSTCIS_EXPANDED;
    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count(pnstceimpl, OnBeforeExpand, 1);
    ok_event_broken(pnstceimpl, OnItemAdded); /* Does not fire on Vista */
    ok_event_count(pnstceimpl, OnAfterExpand, 1);
    todo_wine
    {
        ok_event_count_broken(pnstceimpl, OnSelectionChanged, 1, 0 /* Vista*/);
    }
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate & NSTCIS_EXPANDED, "Item not expanded.\n");
    todo_wine
    {
        ok(itemstate == (NSTCIS_SELECTED | NSTCIS_EXPANDED)||
           broken(itemstate == NSTCIS_EXPANDED) /* Vista */,
           "itemstate is 0x%08x\n", itemstate);
        process_msgs();
        ok_event_count_broken(pnstceimpl, OnSelectionChanged, 1, 0 /* Vista*/);
    }
    ok_no_events(pnstceimpl);

    /* Deselect the root */
    itemstate &= ~NSTCIS_SELECTED;
    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == (NSTCIS_EXPANDED), "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_CollapseAll(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    /* Delete all roots */
    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok_event_count(pnstceimpl, OnItemDeleted, 1);
    ok_no_events(pnstceimpl);

    /* Get/SetItemState */
    if(0)
    {
        /* Crashes on Windows 7 */
        INameSpaceTreeControl_SetItemState(pnstc, NULL, 0, 0);
        INameSpaceTreeControl_GetItemState(pnstc, NULL, 0, NULL);
        INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0, NULL);
        INameSpaceTreeControl_GetItemState(pnstc, NULL, 0, &itemstate);
        INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0, NULL);
        INameSpaceTreeControl_GetItemState(pnstc, NULL, 0, &itemstate);
    }

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);
    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, 0);
    ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop,
                                          SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count_broken(pnstceimpl, OnItemAdded, 1, 0 /* Vista */);
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_NONE, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0, 0xffff);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    todo_wine
    {
        ok_event_count(pnstceimpl, OnBeforeExpand, 0);
        ok_event_count(pnstceimpl, OnAfterExpand, 0);
        ok_event_count(pnstceimpl, OnItemAdded, 0);
    }
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    todo_wine
        ok(itemstate == NSTCIS_NONE, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_NONE, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count(pnstceimpl, OnSelectionChanged, 1);
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_SELECTED, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, NSTCIS_EXPANDED, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_SELECTED, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_SELECTED, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, NSTCIS_SELECTEDNOEXPAND);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_SELECTED, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, NSTCIS_EXPANDED);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    todo_wine
    {
        ok_event_count(pnstceimpl, OnBeforeExpand, 1);
        ok_event_broken(pnstceimpl, OnItemAdded); /* Does not fire on Vista */
        ok_event_count(pnstceimpl, OnAfterExpand, 1);
    }
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_EXPANDED, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_NONE, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff, 0xffff);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    todo_wine
    {
        ok(itemstate == (NSTCIS_EXPANDED | NSTCIS_BOLD | NSTCIS_DISABLED),
           "itemstate is 0x%08x\n", itemstate);
    }
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, NSTCIS_SELECTED, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    todo_wine
    {
        ok(itemstate == (NSTCIS_EXPANDED | NSTCIS_BOLD | NSTCIS_DISABLED),
           "itemstate is 0x%08x\n", itemstate);
    }
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop,
                                            NSTCIS_SELECTED | NSTCIS_DISABLED, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == (NSTCIS_BOLD | NSTCIS_EXPANDED),
       "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, NSTCIS_SELECTED, NSTCIS_SELECTED);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == (NSTCIS_BOLD | NSTCIS_EXPANDED),
       "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, 0xffff & ~NSTCIS_DISABLED, 0);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_no_events(pnstceimpl);

    itemstate = 0xDEADBEEF;
    hr = INameSpaceTreeControl_GetItemState(pnstc, psidesktop, 0xffff, &itemstate);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok(itemstate == NSTCIS_BOLD, "itemstate is 0x%08x\n", itemstate);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok_event_count(pnstceimpl, OnItemDeleted, 1);
    ok_no_events(pnstceimpl);

    /* GetNextItem */
    hr = INameSpaceTreeControl_GetNextItem(pnstc, NULL, 0, NULL);
    ok(hr == E_POINTER, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_GetNextItem(pnstc, psidesktop, 0, NULL);
    ok(hr == E_POINTER, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_GetNextItem(pnstc, NULL, 0, &psi);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_GetNextItem(pnstc, psidesktop, 0, &psi);
    ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, 0, NULL);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count_broken(pnstceimpl, OnItemAdded, 1, 0 /* Vista */);
    ok_no_events(pnstceimpl);

    /* Get child from unexpanded and unfilled parent */
    psi = (void*)0xDEADBEEF;
    hr = INameSpaceTreeControl_GetNextItem(pnstc, psidesktop, NSTCGNI_CHILD, &psi);
    ok(hr == E_FAIL, "Got (0x%08x)\n", hr);
    ok(psi == NULL, "psi is %p\n", psi);
    process_msgs();
    ok_no_events(pnstceimpl);

    /* Expand and try again */
    hr = INameSpaceTreeControl_SetItemState(pnstc, psidesktop, NSTCIS_EXPANDED, 0xffff);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    process_msgs();
    ok_event_count(pnstceimpl, OnBeforeExpand, 1);
    ok_event_broken(pnstceimpl, OnItemAdded); /* Does not fire on Vista */
    ok_event_count(pnstceimpl, OnAfterExpand, 1);
    todo_wine ok_event_count_broken(pnstceimpl, OnSelectionChanged, 1, 0 /*Vista */);
    ok_no_events(pnstceimpl);
    psi = (void*)0xDEADBEEF;
    hr = INameSpaceTreeControl_GetNextItem(pnstc, psidesktop, NSTCGNI_CHILD, &psi);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok((psi != NULL) && (psi != (void*)0xDEADBEEF), "psi is %p\n", psi);
    process_msgs();
    ok_no_events(pnstceimpl);
    if(SUCCEEDED(hr)) IShellItem_Release(psi);

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok_event_count(pnstceimpl, OnItemDeleted, 1);
    ok_no_events(pnstceimpl);

    /* EnsureItemVisible */
    if(0)
    {
        /* Crashes on Windows 7 */
        INameSpaceTreeControl_EnsureItemVisible(pnstc, NULL);
    }

    hr = INameSpaceTreeControl_EnsureItemVisible(pnstc, psidesktop);
    ok(hr == E_INVALIDARG || hr == E_FAIL, "Got (0x%08x)\n", hr);
    ok_no_events(pnstceimpl);

    hr = pSHGetSpecialFolderLocation(NULL, CSIDL_DRIVES, &pidl_drives);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    if(SUCCEEDED(hr))
    {
        hr = pSHCreateShellItem(NULL, NULL, pidl_drives, &psi);
        ok(hr == S_OK, "Got (0x%08x)\n", hr);
        if(SUCCEEDED(hr))
        {
            hr = INameSpaceTreeControl_AppendRoot(pnstc, psi, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, 0, NULL);
            ok(hr == S_OK, "Got (0x%08x)\n", hr);
            process_msgs();
            ok_event_count_broken(pnstceimpl, OnItemAdded, 1, 0 /* Vista */);
            ok_no_events(pnstceimpl);

            hr = INameSpaceTreeControl_EnsureItemVisible(pnstc, psidesktop);
            ok(hr == E_INVALIDARG, "Got (0x%08x)\n", hr);
            ok_no_events(pnstceimpl);

            hr = INameSpaceTreeControl_EnsureItemVisible(pnstc, psi);
            ok(hr == S_OK, "Got (0x%08x)\n", hr);
            ok_no_events(pnstceimpl);

            hr = INameSpaceTreeControl_AppendRoot(pnstc, psidesktop, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, 0, NULL);
            ok(hr == S_OK, "Got (0x%08x)\n", hr);
            process_msgs();
            ok_event_count_broken(pnstceimpl, OnItemAdded, 1, 0 /* Vista */);
            ok_no_events(pnstceimpl);

            hr = INameSpaceTreeControl_EnsureItemVisible(pnstc, psidesktop);
            ok(hr == S_OK, "Got (0x%08x)\n", hr);
            ok_no_events(pnstceimpl);

            hr = INameSpaceTreeControl_EnsureItemVisible(pnstc, psi);
            ok(hr == S_OK, "Got (0x%08x)\n", hr);
            ok_no_events(pnstceimpl);

        }
        else
            skip("Failed to create shellitem.\n");

        ILFree(pidl_drives);
    }
    else
        skip("Failed to get pidl for CSIDL_DRIVES.\n");

    hr = INameSpaceTreeControl_RemoveAllRoots(pnstc);
    ok(hr == S_OK, "Got (0x%08x)\n", hr);
    ok_event_count(pnstceimpl, OnItemDeleted, 2);
    ok_no_events(pnstceimpl);

    hr = INameSpaceTreeControl_QueryInterface(pnstc, &IID_IOleWindow, (void**)&pow);
    ok(hr == S_OK, "Got 0x%08x\n", hr);
    if(SUCCEEDED(hr))
    {
        HWND hwnd_nstc;
        hr = IOleWindow_GetWindow(pow, &hwnd_nstc);
        ok(hr == S_OK, "Got 0x%08x\n", hr);
        DestroyWindow(hwnd_nstc);
        IOleWindow_Release(pow);
    }

    hr = INameSpaceTreeControl_TreeUnadvise(pnstc, cookie2);
    ok(hr == S_OK, "Got 0x%08x\n", hr);

    res = INameSpaceTreeControl_Release(pnstc);
    ok(!res, "res was %d!\n", res);

    if(!res)
    {
        /* Freeing these prematurely causes a crash. */
        HeapFree(GetProcessHeap(), 0, pnstceimpl);
        HeapFree(GetProcessHeap(), 0, pnstceimpl2);
    }

    IShellItem_Release(psi);
    IShellItem_Release(psidesktop);
}

static void setup_window(void)
{
    WNDCLASSA wc;
    static const char nstctest_wnd_name[] = "nstctest_wnd";

    ZeroMemory(&wc, sizeof(WNDCLASSA));
    wc.lpfnWndProc      = DefWindowProcA;
    wc.lpszClassName    = nstctest_wnd_name;
    RegisterClassA(&wc);
    hwnd = CreateWindowA(nstctest_wnd_name, NULL, WS_TABSTOP,
                         0, 0, 200, 200, NULL, 0, 0, NULL);
    ok(hwnd != NULL, "Failed to create window for test (lasterror: %d).\n",
       GetLastError());
}

static void destroy_window(void)
{
    DestroyWindow(hwnd);
}

START_TEST(nstc)
{
    OleInitialize(NULL);
    setup_window();
    init_function_pointers();
    init_msg_sequences(sequences, NUM_MSG_SEQUENCES);

    if(test_initialization())
    {
        test_basics();
        test_events();
    }
    else
        win_skip("No NamespaceTreeControl (or instantiation failed).\n");

    destroy_window();
    OleUninitialize();
}