/*
 * Unit tests for window message handling
 *
 * Copyright 1999 Ove Kaaven
 * Copyright 2003 Dimitrie O. Paun
 * Copyright 2004 Dmitry Timoshkov
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <assert.h>
#include <stdarg.h>

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"

#include "wine/test.h"


/*
FIXME: add tests for these
Window Edge Styles (Win31/Win95/98 look), in order of precedence:
 WS_EX_DLGMODALFRAME: double border, WS_CAPTION allowed
 WS_THICKFRAME: thick border
 WS_DLGFRAME: double border, WS_CAPTION not allowed (but possibly shown anyway)
 WS_BORDER (default for overlapped windows): single black border
 none (default for child (and popup?) windows): no border
*/

typedef enum { 
    sent=0x1, posted=0x2, parent=0x4, wparam=0x8, lparam=0x10,
    defwinproc=0x20, optional=0x40, hook=0x80
} msg_flags_t;

struct message {
    UINT message;          /* the WM_* code */
    msg_flags_t flags;     /* message props */
    WPARAM wParam;         /* expected value of wParam */
    LPARAM lParam;         /* expected value of lParam */
};

/* CreateWindow (for overlapped window, not initially visible) (16/32) */
static const struct message WmCreateOverlappedSeq[] = {
    { HCBT_CREATEWND, hook },
    { WM_GETMINMAXINFO, sent },
    { WM_NCCREATE, sent },
    { WM_NCCALCSIZE, sent|wparam, 0 },
    { WM_CREATE, sent },
    { 0 }
};
/* ShowWindow (for overlapped window) (16/32) */
static const struct message WmShowOverlappedSeq[] = {
    { WM_SHOWWINDOW, sent|wparam, 1 },
    { WM_NCPAINT, sent|wparam|optional, 1 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCPAINT, sent|wparam|optional, 1 },
    { WM_GETTEXT, sent|defwinproc|optional },
    { WM_ERASEBKGND, sent|optional },
    { HCBT_ACTIVATE, hook },
    { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_ACTIVATEAPP, sent|wparam, 1 },
    { WM_NCACTIVATE, sent|wparam, 1 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ACTIVATE, sent|wparam, 1 },
    { HCBT_SETFOCUS, hook },
    { WM_IME_SETCONTEXT, sent|defwinproc|optional },
    { WM_SETFOCUS, sent|wparam|defwinproc, 0 },
    { WM_NCPAINT, sent|wparam|optional, 1 },
    { WM_GETTEXT, sent|defwinproc|optional },
    { WM_ERASEBKGND, sent|optional },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { WM_SIZE, sent },
    { WM_MOVE, sent },
    { 0 }
};
/* DestroyWindow (for overlapped window) (32) */
static const struct message WmDestroyOverlappedSeq[] = {
    { HCBT_DESTROYWND, hook },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { WM_NCACTIVATE, sent|wparam, 0 },
    { WM_ACTIVATE, sent|wparam, 0 },
    { WM_ACTIVATEAPP, sent|wparam, 0 },
    { WM_KILLFOCUS, sent|wparam, 0 },
    { WM_IME_SETCONTEXT, sent|optional },
    { WM_DESTROY, sent },
    { WM_NCDESTROY, sent },
    { 0 }
};
/* CreateWindow (for a child popup window, not initially visible) */
static const struct message WmCreateChildPopupSeq[] = {
    { HCBT_CREATEWND, hook },
    { WM_NCCREATE, sent }, 
    { WM_NCCALCSIZE, sent|wparam, 0 },
    { WM_CREATE, sent },
    { WM_SIZE, sent },
    { WM_MOVE, sent },
    { 0 }
};
/* CreateWindow (for a popup window, not initially visible,
 * which sets WS_VISIBLE in WM_CREATE handler)
 */
static const struct message WmCreateInvisiblePopupSeq[] = {
    { HCBT_CREATEWND, hook },
    { WM_NCCREATE, sent }, 
    { WM_NCCALCSIZE, sent|wparam, 0 },
    { WM_CREATE, sent },
    { WM_STYLECHANGING, sent },
    { WM_STYLECHANGED, sent },
    { WM_SIZE, sent },
    { WM_MOVE, sent },
    { 0 }
};
/* ShowWindow (for a popup window with WS_VISIBLE style set) */
static const struct message WmShowVisiblePopupSeq[] = {
    { 0 }
};
/* SetWindowPos(SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOZORDER)
 * for a popup window with WS_VISIBLE style set
 */
static const struct message WmShowVisiblePopupSeq_2[] = {
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { 0 }
};
/* SetWindowPos(SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE)
 * for a popup window with WS_VISIBLE style set
 */
static const struct message WmShowVisiblePopupSeq_3[] = {
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { HCBT_ACTIVATE, hook },
    { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCACTIVATE, sent|wparam, 1 },
    { WM_ACTIVATE, sent|wparam, 1 },
    { HCBT_SETFOCUS, hook },
    { WM_KILLFOCUS, sent|parent },
    { WM_IME_SETCONTEXT, sent|defwinproc|optional },
    { WM_SETFOCUS, sent|defwinproc },
    { 0 }
};
/* CreateWindow (for child window, not initially visible) */
static const struct message WmCreateChildSeq[] = {
    { HCBT_CREATEWND, hook },
    { WM_NCCREATE, sent }, 
    /* child is inserted into parent's child list after WM_NCCREATE returns */
    { WM_NCCALCSIZE, sent|wparam, 0 },
    { WM_CREATE, sent },
    { WM_SIZE, sent },
    { WM_MOVE, sent },
    { WM_PARENTNOTIFY, sent|parent|wparam, 1 },
    { 0 }
};
/* CreateWindow (for maximized child window, not initially visible) */
static const struct message WmCreateMaximizedChildSeq[] = {
    { HCBT_CREATEWND, hook },
    { WM_NCCREATE, sent }, 
    { WM_NCCALCSIZE, sent|wparam, 0 },
    { WM_CREATE, sent },
    { WM_SIZE, sent },
    { WM_MOVE, sent },
    { HCBT_MINMAX, hook|lparam, 0, SW_MAXIMIZE },
    { WM_GETMINMAXINFO, sent },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_NCCALCSIZE, sent },
    { WM_WINDOWPOSCHANGED, sent },
    { WM_SIZE, sent|defwinproc },
    { WM_PARENTNOTIFY, sent|parent|wparam, 1 },
    { 0 }
};
/* ShowWindow (for child window) */
static const struct message WmShowChildSeq[] = {
    { WM_SHOWWINDOW, sent|wparam, 1 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_ERASEBKGND, sent|parent|optional },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { 0 }
};
/* DestroyWindow (for child window) */
static const struct message WmDestroyChildSeq[] = {
    { HCBT_DESTROYWND, hook },
    { WM_PARENTNOTIFY, sent|parent|wparam, 2 },
    { WM_SHOWWINDOW, sent|wparam, 0 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_ERASEBKGND, sent|parent|optional },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { HCBT_SETFOCUS, hook }, /* set focus to a parent */
    { WM_KILLFOCUS, sent },
    { WM_IME_SETCONTEXT, sent|optional },
    { WM_DESTROY, sent },
    { WM_DESTROY, sent|optional }, /* a bug in win2k sp4 ? */
    { WM_NCDESTROY, sent },
    { WM_NCDESTROY, sent|optional }, /* a bug in win2k sp4 ? */
    { 0 }
};
/* Moving the mouse in nonclient area */
static const struct message WmMouseMoveInNonClientAreaSeq[] = { /* FIXME: add */
    { WM_NCHITTEST, sent },
    { WM_SETCURSOR, sent },
    { WM_NCMOUSEMOVE, posted },
    { 0 }
};
/* Moving the mouse in client area */
static const struct message WmMouseMoveInClientAreaSeq[] = { /* FIXME: add */
    { WM_NCHITTEST, sent },
    { WM_SETCURSOR, sent },
    { WM_MOUSEMOVE, posted },
    { 0 }
};
/* Moving by dragging the title bar (after WM_NCHITTEST and WM_SETCURSOR) (outline move) */
static const struct message WmDragTitleBarSeq[] = { /* FIXME: add */
    { WM_NCLBUTTONDOWN, sent|wparam, HTCAPTION },
    { WM_SYSCOMMAND, sent|defwinproc|wparam, SC_MOVE+2 },
    { WM_GETMINMAXINFO, sent|defwinproc },
    { WM_ENTERSIZEMOVE, sent|defwinproc },
    { WM_WINDOWPOSCHANGING, sent|defwinproc },
    { WM_WINDOWPOSCHANGED, sent|defwinproc },
    { WM_MOVE, sent|defwinproc },
    { WM_EXITSIZEMOVE, sent|defwinproc },
    { 0 }
};
/* Sizing by dragging the thick borders (after WM_NCHITTEST and WM_SETCURSOR) (outline move) */
static const struct message WmDragThickBordersBarSeq[] = { /* FIXME: add */
    { WM_NCLBUTTONDOWN, sent|wparam, 0xd },
    { WM_SYSCOMMAND, sent|defwinproc|wparam, 0xf004 },
    { WM_GETMINMAXINFO, sent|defwinproc },
    { WM_ENTERSIZEMOVE, sent|defwinproc },
    { WM_SIZING, sent|defwinproc|wparam, 4}, /* one for each mouse movement */
    { WM_WINDOWPOSCHANGING, sent|defwinproc },
    { WM_GETMINMAXINFO, sent|defwinproc },
    { WM_NCCALCSIZE, sent|defwinproc|wparam, 1 },
    { WM_NCPAINT, sent|defwinproc|wparam, 1 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent|defwinproc },
    { WM_WINDOWPOSCHANGED, sent|defwinproc },
    { WM_MOVE, sent|defwinproc },
    { WM_SIZE, sent|defwinproc },
    { WM_EXITSIZEMOVE, sent|defwinproc },
    { 0 }
};
/* Resizing child window with MoveWindow (32) */
static const struct message WmResizingChildWithMoveWindowSeq[] = {
    { WM_WINDOWPOSCHANGING, sent },
    { WM_NCCALCSIZE, sent|wparam, 1 },
    { WM_ERASEBKGND, sent|optional },
    { WM_WINDOWPOSCHANGED, sent },
    { WM_MOVE, sent|defwinproc },
    { WM_SIZE, sent|defwinproc },
    { 0 }
};
/* Clicking on inactive button */
static const struct message WmClickInactiveButtonSeq[] = { /* FIXME: add */
    { WM_NCHITTEST, sent },
    { WM_PARENTNOTIFY, sent|parent|wparam, WM_LBUTTONDOWN },
    { WM_MOUSEACTIVATE, sent },
    { WM_MOUSEACTIVATE, sent|parent|defwinproc },
    { WM_SETCURSOR, sent },
    { WM_SETCURSOR, sent|parent|defwinproc },
    { WM_LBUTTONDOWN, posted },
    { WM_KILLFOCUS, posted|parent },
    { WM_SETFOCUS, posted },
    { WM_CTLCOLORBTN, posted|parent },
    { BM_SETSTATE, posted },
    { WM_CTLCOLORBTN, posted|parent },
    { WM_LBUTTONUP, posted },
    { BM_SETSTATE, posted },
    { WM_CTLCOLORBTN, posted|parent },
    { WM_COMMAND, posted|parent },
    { 0 }
};
/* Reparenting a button (16/32) */
/* The last child (button) reparented gets topmost for its new parent. */
static const struct message WmReparentButtonSeq[] = { /* FIXME: add */
    { WM_SHOWWINDOW, sent|wparam, 0 },
    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_HIDEWINDOW|SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER },
    { WM_ERASEBKGND, sent|parent },
    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_HIDEWINDOW|SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER },
    { WM_WINDOWPOSCHANGING, sent|wparam, SWP_NOSIZE|SWP_NOZORDER },
    { WM_CHILDACTIVATE, sent },
    { WM_WINDOWPOSCHANGED, sent|wparam, SWP_NOSIZE|SWP_NOREDRAW|SWP_NOZORDER },
    { WM_MOVE, sent|defwinproc },
    { WM_SHOWWINDOW, sent|wparam, 1 },
    { 0 }
};
/* Creation of a custom dialog (32) */
static const struct message WmCreateCustomDialogSeq[] = {
    { HCBT_CREATEWND, hook },
    { WM_GETMINMAXINFO, sent },
    { WM_NCCREATE, sent },
    { WM_NCCALCSIZE, sent|wparam, 0 },
    { WM_CREATE, sent },
    { WM_SHOWWINDOW, sent|wparam, 1 },
    { HCBT_ACTIVATE, hook },
    { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCACTIVATE, sent|wparam, 1 },
    { WM_ACTIVATE, sent|wparam, 1 },
    { WM_KILLFOCUS, sent|parent },
    { WM_IME_SETCONTEXT, sent|optional },
    { WM_SETFOCUS, sent },
    { WM_GETDLGCODE, sent|defwinproc|wparam, 0 },
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCPAINT, sent|wparam, 1 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent },
    { WM_CTLCOLORDLG, sent|defwinproc },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { WM_SIZE, sent },
    { WM_MOVE, sent },
    { 0 }
};
/* Creation of a modal dialog (32) */
static const struct message WmCreateModalDialogSeq[] = { /* FIXME: add */
    { WM_CANCELMODE, sent|parent },
    { WM_KILLFOCUS, sent|parent },
    { WM_ENABLE, sent|parent|wparam, 0 },
    /* (window proc creation messages not tracked yet, because...) */
    { WM_SETFONT, sent },
    { WM_INITDIALOG, sent },
    /* (...the window proc message hook was installed here, IsVisible still FALSE) */
    { WM_NCACTIVATE, sent|parent|wparam, 0 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ACTIVATE, sent|parent|wparam, 0 },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_WINDOWPOSCHANGING, sent|parent },
    { WM_NCACTIVATE, sent|wparam, 1 },
    { WM_ACTIVATE, sent|wparam, 1 },
    /* (setting focus) */
    { WM_SHOWWINDOW, sent|wparam, 1 },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_NCPAINT, sent },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent },
    { WM_CTLCOLORDLG, sent|defwinproc },
    { WM_WINDOWPOSCHANGED, sent },
    { WM_PAINT, sent },
    /* FIXME: (bunch of WM_CTLCOLOR* for each control) */
    { WM_PAINT, sent|parent },
    { WM_ENTERIDLE, sent|parent|wparam, 0},
    { WM_SETCURSOR, sent|parent },
    { 0 }
};
/* Destruction of a modal dialog (32) */
static const struct message WmDestroyModalDialogSeq[] = { /* FIXME: add */
    /* (inside dialog proc: EndDialog is called) */
    { WM_ENABLE, sent|parent|wparam, 1 },
    { WM_SETFOCUS, sent },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_NCPAINT, sent|parent },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent|parent },
    { WM_WINDOWPOSCHANGED, sent },
    { WM_NCACTIVATE, sent|wparam, 0 },
    { WM_ACTIVATE, sent|wparam, 0 },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_WINDOWPOSCHANGING, sent|parent },
    { WM_NCACTIVATE, sent|parent|wparam, 1 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ACTIVATE, sent|parent|wparam, 1 },
    { WM_KILLFOCUS, sent },
    { WM_SETFOCUS, sent|parent },
    { WM_DESTROY, sent },
    { WM_NCDESTROY, sent },
    { 0 }
};
/* Creation of a modal dialog that is resized inside WM_INITDIALOG (32) */
static const struct message WmCreateModalDialogResizeSeq[] = { /* FIXME: add */
    /* (inside dialog proc, handling WM_INITDIALOG) */
    { WM_WINDOWPOSCHANGING, sent },
    { WM_NCCALCSIZE, sent },
    { WM_NCACTIVATE, sent|parent|wparam, 0 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ACTIVATE, sent|parent|wparam, 0 },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_WINDOWPOSCHANGING, sent|parent },
    { WM_NCACTIVATE, sent|wparam, 1 },
    { WM_ACTIVATE, sent|wparam, 1 },
    { WM_WINDOWPOSCHANGED, sent },
    { WM_SIZE, sent|defwinproc },
    /* (setting focus) */
    { WM_SHOWWINDOW, sent|wparam, 1 },
    { WM_WINDOWPOSCHANGING, sent },
    { WM_NCPAINT, sent },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent },
    { WM_CTLCOLORDLG, sent|defwinproc },
    { WM_WINDOWPOSCHANGED, sent },
    { WM_PAINT, sent },
    /* (bunch of WM_CTLCOLOR* for each control) */
    { WM_PAINT, sent|parent },
    { WM_ENTERIDLE, sent|parent|wparam, 0 },
    { WM_SETCURSOR, sent|parent },
    { 0 }
};
/* SetMenu for NonVisible windows with size change*/
static const struct message WmSetMenuNonVisibleSizeChangeSeq[] = {
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCCALCSIZE, sent|wparam, 1 },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { WM_MOVE, sent|defwinproc },
    { WM_SIZE, sent|defwinproc },
    { 0 }
};
/* SetMenu for NonVisible windows with no size change */
static const struct message WmSetMenuNonVisibleNoSizeChangeSeq[] = {
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCCALCSIZE, sent|wparam, 1 },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { 0 }
};
/* SetMenu for Visible windows with size change */
static const struct message WmSetMenuVisibleSizeChangeSeq[] = {
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCCALCSIZE, sent|wparam, 1 },
    { WM_NCPAINT, sent|wparam, 1 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent|optional },
    { WM_ACTIVATE, sent|optional },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { WM_MOVE, sent|defwinproc },
    { WM_SIZE, sent|defwinproc },
    { 0 }
};
/* SetMenu for Visible windows with no size change */
static const struct message WmSetMenuVisibleNoSizeChangeSeq[] = {
    { WM_WINDOWPOSCHANGING, sent|wparam, 0 },
    { WM_NCCALCSIZE, sent|wparam, 1 },
    { WM_NCPAINT, sent|wparam, 1 },
    { WM_GETTEXT, sent|defwinproc },
    { WM_ERASEBKGND, sent|optional },
    { WM_ACTIVATE, sent|optional },
    { WM_WINDOWPOSCHANGED, sent|wparam, 0 },
    { 0 }
};

static const struct message WmSetRedrawFalseSeq[] =
{
    { WM_SETREDRAW, sent|wparam, 0 },
    { 0 }
};

static const struct message WmSetRedrawTrueSeq[] =
{
    { WM_SETREDRAW, sent|wparam, 1 },
    { 0 }
};

static int sequence_cnt, sequence_size;
static struct message* sequence;

static void add_message(const struct message *msg)
{
    if (!sequence) 
    {
	sequence_size = 10;
	sequence = HeapAlloc( GetProcessHeap(), 0, sequence_size * sizeof (struct message) );
    }
    if (sequence_cnt == sequence_size) 
    {
	sequence_size *= 2;
	sequence = HeapReAlloc( GetProcessHeap(), 0, sequence, sequence_size * sizeof (struct message) );
    }
    assert(sequence);

    sequence[sequence_cnt].message = msg->message;
    sequence[sequence_cnt].flags = msg->flags;
    sequence[sequence_cnt].wParam = msg->wParam;
    sequence[sequence_cnt].lParam = msg->lParam;

    sequence_cnt++;
}

static void flush_sequence()
{
    HeapFree(GetProcessHeap(), 0, sequence);
    sequence = 0;
    sequence_cnt = sequence_size = 0;
}

static void ok_sequence(const struct message *expected, const char *context)
{
    static const struct message end_of_sequence = { 0, 0, 0, 0 };
    const struct message *actual;
    
    add_message(&end_of_sequence);

    actual = sequence;

    while (expected->message && actual->message)
    {
	trace("expected %04x - actual %04x\n", expected->message, actual->message);

	if (expected->message == actual->message)
	{
	    if (expected->flags & wparam)
		 ok (expected->wParam == actual->wParam,
		     "%s: in msg 0x%04x expecting wParam 0x%x got 0x%x\n",
		     context, expected->message, expected->wParam, actual->wParam);
	    if (expected->flags & lparam)
		 ok (expected->lParam == actual->lParam,
		     "%s: in msg 0x%04x expecting lParam 0x%lx got 0x%lx\n",
		     context, expected->message, expected->lParam, actual->lParam);
	    ok ((expected->flags & defwinproc) == (actual->flags & defwinproc),
		"%s: the msg 0x%04x should %shave been sent by DefWindowProc\n",
		context, expected->message, (expected->flags & defwinproc) ? "" : "NOT ");
	    ok ((expected->flags & (sent|posted)) == (actual->flags & (sent|posted)),
		"%s: the msg 0x%04x should have been %s\n",
		context, expected->message, (expected->flags & posted) ? "posted" : "sent");
	    ok ((expected->flags & parent) == (actual->flags & parent),
		"%s: the msg 0x%04x was expected in %s\n",
		context, expected->message, (expected->flags & parent) ? "parent" : "child");
	    ok ((expected->flags & hook) == (actual->flags & hook),
		"%s: the msg 0x%04x should have been sent by a hook\n",
		context, expected->message);
	    expected++;
	    actual++;
	}
	else if (expected->flags & optional)
	    expected++;
	else
	{
	  todo_wine {
	    ok (FALSE, "%s: the msg 0x%04x was expected, but got msg 0x%04x instead\n",
		context, expected->message, actual->message);
	    expected++;
	    actual++;
	  }
	}
    }

  todo_wine {
    if (expected->message || actual->message)
	ok (FALSE, "%s: the msg sequence is not complete\n", context);
  }

    flush_sequence();
}

static void test_WM_SETREDRAW(HWND hwnd)
{
    DWORD style = GetWindowLongA(hwnd, GWL_STYLE);

    flush_sequence();

    SendMessageA(hwnd, WM_SETREDRAW, FALSE, 0);
    ok_sequence(WmSetRedrawFalseSeq, "SetRedraw:FALSE");

    ok(!(GetWindowLongA(hwnd, GWL_STYLE) & WS_VISIBLE), "WS_VISIBLE should NOT be set\n");
    ok(!IsWindowVisible(hwnd), "IsWindowVisible() should return FALSE\n");

    flush_sequence();
    SendMessageA(hwnd, WM_SETREDRAW, TRUE, 0);
    ok_sequence(WmSetRedrawTrueSeq, "SetRedraw:TRUE");

    ok(GetWindowLongA(hwnd, GWL_STYLE) & WS_VISIBLE, "WS_VISIBLE should be set\n");
    ok(IsWindowVisible(hwnd), "IsWindowVisible() should return TRUE");

    /* restore original WS_VISIBLE state */
    SetWindowLongA(hwnd, GWL_STYLE, style);

    flush_sequence();
}

/* test if we receive the right sequence of messages */
static void test_messages(void)
{
    HWND hwnd, hparent, hchild;
    HWND hchild2, hbutton;
    HMENU hmenu;

    hwnd = CreateWindowExA(0, "TestWindowClass", "Test overlapped", WS_OVERLAPPEDWINDOW,
                           100, 100, 200, 200, 0, 0, 0, NULL);
    ok (hwnd != 0, "Failed to create overlapped window\n");
    ok_sequence(WmCreateOverlappedSeq, "CreateWindow:overlapped");

    /* test WM_SETREDRAW on a not visible top level window */
    test_WM_SETREDRAW(hwnd);
    
    ShowWindow(hwnd, SW_SHOW);
    ok_sequence(WmShowOverlappedSeq, "ShowWindow:overlapped");

    /* test WM_SETREDRAW on a visible top level window */
    test_WM_SETREDRAW(hwnd);

    DestroyWindow(hwnd);
    ok_sequence(WmDestroyOverlappedSeq, "DestroyWindow:overlapped");

    hparent = CreateWindowExA(0, "TestParentClass", "Test parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
                              100, 100, 200, 200, 0, 0, 0, NULL);
    ok (hparent != 0, "Failed to create parent window\n");
    flush_sequence();

    hchild = CreateWindowExA(0, "TestWindowClass", "Test child", WS_CHILD | WS_MAXIMIZE,
                             0, 0, 10, 10, hparent, 0, 0, NULL);
    ok (hchild != 0, "Failed to create child window\n");
    ok_sequence(WmCreateMaximizedChildSeq, "CreateWindow:maximized child");
    DestroyWindow(hchild);
    flush_sequence();

    hchild = CreateWindowExA(0, "TestWindowClass", "Test child", WS_CHILDWINDOW,
                             0, 0, 10, 10, hparent, 0, 0, NULL);
    ok (hchild != 0, "Failed to create child window\n");
    ok_sequence(WmCreateChildSeq, "CreateWindow:child");
    
    hchild2 = CreateWindowExA(0, "SimpleWindowClass", "Test child2", WS_CHILDWINDOW,
                               100, 100, 50, 50, hparent, 0, 0, NULL);
    ok (hchild2 != 0, "Failed to create child2 window\n");
    flush_sequence();

    hbutton = CreateWindowExA(0, "TestWindowClass", "Test button", WS_CHILDWINDOW,
                              0, 100, 50, 50, hchild, 0, 0, NULL);
    ok (hbutton != 0, "Failed to create button window\n");

    /* test WM_SETREDRAW on a not visible child window */
    test_WM_SETREDRAW(hchild);

    ShowWindow(hchild, SW_SHOW);
    ok_sequence(WmShowChildSeq, "ShowWindow:child");

    /* test WM_SETREDRAW on a visible child window */
    test_WM_SETREDRAW(hchild);

    SetFocus(hchild);
    flush_sequence();

    MoveWindow(hchild, 10, 10, 20, 20, TRUE);
    ok_sequence(WmResizingChildWithMoveWindowSeq, "MoveWindow:child");

    DestroyWindow(hchild);
    ok_sequence(WmDestroyChildSeq, "DestroyWindow:child");
    DestroyWindow(hchild2);
    DestroyWindow(hbutton);

    flush_sequence();
    hchild = CreateWindowExA(0, "TestWindowClass", "Test Child Popup", WS_CHILD | WS_POPUP,
                             0, 0, 100, 100, hparent, 0, 0, NULL);
    ok (hchild != 0, "Failed to create child popup window\n");
    ok_sequence(WmCreateChildPopupSeq, "CreateWindow:child_popup");
    DestroyWindow(hchild);

    /* test what happens to a window which sets WS_VISIBLE in WM_CREATE */
    flush_sequence();
    hchild = CreateWindowExA(0, "TestPopupClass", "Test Popup", WS_POPUP,
                             0, 0, 100, 100, hparent, 0, 0, NULL);
    ok (hchild != 0, "Failed to create popup window\n");
    ok_sequence(WmCreateInvisiblePopupSeq, "CreateWindow:invisible_popup");
    ok(GetWindowLongA(hchild, GWL_STYLE) & WS_VISIBLE, "WS_VISIBLE should be set\n");
    ok(IsWindowVisible(hchild), "IsWindowVisible() should return TRUE\n");
    flush_sequence();
    ShowWindow(hchild, SW_SHOW);
    ok_sequence(WmShowVisiblePopupSeq, "CreateWindow:show_visible_popup");
    flush_sequence();
    SetWindowPos(hchild, 0,0,0,0,0, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOZORDER);
    ok_sequence(WmShowVisiblePopupSeq_2, "CreateWindow:show_visible_popup_2");
    flush_sequence();
    SetWindowPos(hchild, 0,0,0,0,0, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE);
    ok_sequence(WmShowVisiblePopupSeq_3, "CreateWindow:show_visible_popup_3");
    DestroyWindow(hchild);

    /* this time add WS_VISIBLE for CreateWindowEx, but this fact actually
     * changes nothing in message sequences.
     */
    flush_sequence();
    hchild = CreateWindowExA(0, "TestPopupClass", "Test Popup", WS_POPUP | WS_VISIBLE,
                             0, 0, 100, 100, hparent, 0, 0, NULL);
    ok (hchild != 0, "Failed to create popup window\n");
    ok_sequence(WmCreateInvisiblePopupSeq, "CreateWindow:invisible_popup");
    ok(GetWindowLongA(hchild, GWL_STYLE) & WS_VISIBLE, "WS_VISIBLE should be set\n");
    ok(IsWindowVisible(hchild), "IsWindowVisible() should return TRUE\n");
    flush_sequence();
    ShowWindow(hchild, SW_SHOW);
    ok_sequence(WmShowVisiblePopupSeq, "CreateWindow:show_visible_popup");
    flush_sequence();
    SetWindowPos(hchild, 0,0,0,0,0, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOZORDER);
    ok_sequence(WmShowVisiblePopupSeq_2, "CreateWindow:show_visible_popup_2");
    DestroyWindow(hchild);

    flush_sequence();
    hwnd = CreateWindowExA(WS_EX_DLGMODALFRAME, "TestDialogClass", NULL, WS_VISIBLE|WS_CAPTION|WS_SYSMENU|WS_DLGFRAME,
                           0, 0, 100, 100, hparent, 0, 0, NULL);
    ok(hwnd != 0, "Failed to create custom dialog window\n");
    ok_sequence(WmCreateCustomDialogSeq, "CreateCustomDialog");
    DestroyWindow(hwnd);

    DestroyWindow(hparent);
    flush_sequence();

    /* Message sequence for SetMenu */
    hmenu = CreateMenu();
    ok (hmenu != 0, "Failed to create menu\n");
    ok (InsertMenuA(hmenu, -1, MF_BYPOSITION, 0x1000, "foo"), "InsertMenu failed\n");
    hwnd = CreateWindowExA(0, "TestWindowClass", "Test overlapped", WS_OVERLAPPEDWINDOW,
                           100, 100, 200, 200, 0, hmenu, 0, NULL);
    ok_sequence(WmCreateOverlappedSeq, "CreateWindow:overlapped");
    ok (SetMenu(hwnd, 0), "SetMenu");
    ok_sequence(WmSetMenuNonVisibleSizeChangeSeq, "SetMenu:NonVisibleSizeChange");
    ok (SetMenu(hwnd, 0), "SetMenu");
    ok_sequence(WmSetMenuNonVisibleNoSizeChangeSeq, "SetMenu:NonVisibleNoSizeChange");
    ShowWindow(hwnd, SW_SHOW);
    flush_sequence();
    ok (SetMenu(hwnd, 0), "SetMenu");
    ok_sequence(WmSetMenuVisibleNoSizeChangeSeq, "SetMenu:VisibleNoSizeChange");
    ok (SetMenu(hwnd, hmenu), "SetMenu");
    ok_sequence(WmSetMenuVisibleSizeChangeSeq, "SetMenu:VisibleSizeChange");

    DestroyWindow(hwnd);
}

static LRESULT WINAPI MsgCheckProcA(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    static long defwndproc_counter = 0;
    LRESULT ret;
    struct message msg;

    trace("%p, %04x, %08x, %08lx\n", hwnd, message, wParam, lParam);

    msg.message = message;
    msg.flags = sent|wparam|lparam;
    if (defwndproc_counter) msg.flags |= defwinproc;
    msg.wParam = wParam;
    msg.lParam = lParam;
    add_message(&msg);

    if (message == WM_GETMINMAXINFO && (GetWindowLongA(hwnd, GWL_STYLE) & WS_CHILD))
    {
	HWND parent = GetParent(hwnd);
	RECT rc;
	MINMAXINFO *minmax = (MINMAXINFO *)lParam;

	GetClientRect(parent, &rc);
	trace("parent %p client size = (%ld x %ld)\n", parent, rc.right, rc.bottom);

	trace("ptReserved = (%ld,%ld)\n"
	      "ptMaxSize = (%ld,%ld)\n"
	      "ptMaxPosition = (%ld,%ld)\n"
	      "ptMinTrackSize = (%ld,%ld)\n"
	      "ptMaxTrackSize = (%ld,%ld)\n",
	      minmax->ptReserved.x, minmax->ptReserved.y,
	      minmax->ptMaxSize.x, minmax->ptMaxSize.y,
	      minmax->ptMaxPosition.x, minmax->ptMaxPosition.y,
	      minmax->ptMinTrackSize.x, minmax->ptMinTrackSize.y,
	      minmax->ptMaxTrackSize.x, minmax->ptMaxTrackSize.y);

	ok(minmax->ptMaxSize.x == rc.right, "default width of maximized child %ld != %ld\n",
	   minmax->ptMaxSize.x, rc.right);
	ok(minmax->ptMaxSize.y == rc.bottom, "default height of maximized child %ld != %ld\n",
	   minmax->ptMaxSize.y, rc.bottom);
    }

    defwndproc_counter++;
    ret = DefWindowProcA(hwnd, message, wParam, lParam);
    defwndproc_counter--;

    return ret;
}

static LRESULT WINAPI PopupMsgCheckProcA(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    static long defwndproc_counter = 0;
    LRESULT ret;
    struct message msg;

    trace("popup: %p, %04x, %08x, %08lx\n", hwnd, message, wParam, lParam);

    msg.message = message;
    msg.flags = sent|wparam|lparam;
    if (defwndproc_counter) msg.flags |= defwinproc;
    msg.wParam = wParam;
    msg.lParam = lParam;
    add_message(&msg);

    if (message == WM_CREATE)
    {
	DWORD style = GetWindowLongA(hwnd, GWL_STYLE) | WS_VISIBLE;
	SetWindowLongA(hwnd, GWL_STYLE, style);
    }

    defwndproc_counter++;
    ret = DefWindowProcA(hwnd, message, wParam, lParam);
    defwndproc_counter--;

    return ret;
}

static LRESULT WINAPI ParentMsgCheckProcA(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    static long defwndproc_counter = 0;
    LRESULT ret;
    struct message msg;

    trace("parent: %p, %04x, %08x, %08lx\n", hwnd, message, wParam, lParam);

    if (message == WM_PARENTNOTIFY || message == WM_CANCELMODE ||
	message == WM_KILLFOCUS || message == WM_ENABLE)
    {
        msg.message = message;
        msg.flags = sent|parent|wparam|lparam;
        if (defwndproc_counter) msg.flags |= defwinproc;
        msg.wParam = wParam;
        msg.lParam = lParam;
        add_message(&msg);
    }

    defwndproc_counter++;
    ret = DefWindowProcA(hwnd, message, wParam, lParam);
    defwndproc_counter--;

    return ret;
}

static LRESULT WINAPI TestDlgProcA(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    static long defwndproc_counter = 0;
    LRESULT ret;
    struct message msg;

    trace("dialog: %p, %04x, %08x, %08lx\n", hwnd, message, wParam, lParam);

    DefDlgProcA(hwnd, DM_SETDEFID, 1, 0);
    ret = DefDlgProcA(hwnd, DM_GETDEFID, 0, 0);
    ok(HIWORD(ret) == DC_HASDEFID, "DM_GETDEFID should return DC_HASDEFID\n");

    msg.message = message;
    msg.flags = sent|wparam|lparam;
    if (defwndproc_counter) msg.flags |= defwinproc;
    msg.wParam = wParam;
    msg.lParam = lParam;
    add_message(&msg);

    defwndproc_counter++;
    ret = DefDlgProcA(hwnd, message, wParam, lParam);
    defwndproc_counter--;

    return ret;
}

static BOOL RegisterWindowClasses(void)
{
    WNDCLASSA cls;

    cls.style = 0;
    cls.lpfnWndProc = MsgCheckProcA;
    cls.cbClsExtra = 0;
    cls.cbWndExtra = 0;
    cls.hInstance = GetModuleHandleA(0);
    cls.hIcon = 0;
    cls.hCursor = LoadCursorA(0, (LPSTR)IDC_ARROW);
    cls.hbrBackground = GetStockObject(WHITE_BRUSH);
    cls.lpszMenuName = NULL;
    cls.lpszClassName = "TestWindowClass";
    if(!RegisterClassA(&cls)) return FALSE;

    cls.lpfnWndProc = PopupMsgCheckProcA;
    cls.lpszClassName = "TestPopupClass";
    if(!RegisterClassA(&cls)) return FALSE;

    cls.lpfnWndProc = ParentMsgCheckProcA;
    cls.lpszClassName = "TestParentClass";
    if(!RegisterClassA(&cls)) return FALSE;

    cls.lpfnWndProc = DefWindowProcA;
    cls.lpszClassName = "SimpleWindowClass";
    if(!RegisterClassA(&cls)) return FALSE;

    ok(GetClassInfoA(0, "#32770", &cls), "GetClassInfo failed\n");
    cls.lpfnWndProc = TestDlgProcA;
    cls.lpszClassName = "TestDialogClass";
    if(!RegisterClassA(&cls)) return FALSE;

    return TRUE;
}

static HHOOK hCBT_hook;

static LRESULT CALLBACK cbt_hook_proc(int nCode, WPARAM wParam, LPARAM lParam) 
{ 
    char buf[256];

    trace("CBT: %d, %08x, %08lx\n", nCode, wParam, lParam);

    if (GetClassNameA((HWND)wParam, buf, sizeof(buf)))
    {
	if (!strcmp(buf, "TestWindowClass") ||
	    !strcmp(buf, "TestParentClass") ||
	    !strcmp(buf, "TestPopupClass") ||
	    !strcmp(buf, "SimpleWindowClass") ||
	    !strcmp(buf, "TestDialogClass"))
	{
	    struct message msg;

	    msg.message = nCode;
	    msg.flags = hook;
	    msg.wParam = wParam;
	    msg.lParam = lParam;
	    add_message(&msg);
	}
    }
    return CallNextHookEx(hCBT_hook, nCode, wParam, lParam);
}

START_TEST(msg)
{
    if (!RegisterWindowClasses()) assert(0);

    hCBT_hook = SetWindowsHookExA(WH_CBT, cbt_hook_proc, 0, GetCurrentThreadId());
    assert(hCBT_hook);

    test_messages();

    UnhookWindowsHookEx(hCBT_hook);
}