IsServerSideWindow.c File Reference

#include "precomp.h"

Include dependency graph for IsServerSideWindow.c:

Go to the source code of this file.

Functions
static LRESULT CALLBACK	Test_WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
	START_TEST (IsServerSideWindow)

Variables
static const WCHAR	WndClass [] = L"window class"

Function Documentation

START_TEST()

START_TEST

(

IsServerSideWindow

)

Definition at line 30 of file IsServerSideWindow.c.

{
    HWND hWnd;
    WNDCLASSEXW wcx;
    BOOL ret;
 
    ZeroMemory(&wcx, sizeof(wcx));
    wcx.cbSize = sizeof(wcx);
    wcx.lpfnWndProc = Test_WndProc;
    wcx.hInstance = GetModuleHandleW(NULL);
    wcx.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    wcx.lpszClassName = WndClass;
 
    if (!RegisterClassExW(&wcx))
    {
        skip("RegisterClassExW failed with error %lu\n", GetLastError());
        return;
    }
 
    /* 1. Invalid window */
    hWnd = (HWND)(UINT_PTR)0xdeadbeef;
    SetLastError(0xfeedfab1);
    ret = IsServerSideWindow(hWnd);
    ok(!ret, "The window %p is invalid but IsServerSideWindow() returned TRUE\n", hWnd);
    ok_eq_ulong(GetLastError(), ERROR_INVALID_WINDOW_HANDLE);
 
    /* 2. Window with a kernel-mode WndProc.
     * ScrollBar is an example of a server-side window that can be created from user-mode code. */
    hWnd = CreateWindowExW(0,
                           L"ScrollBar",
                           NULL,
                           SBS_HORZ | WS_VISIBLE,
                           CW_USEDEFAULT, CW_USEDEFAULT,
                           400, 100,
                           NULL, 0,
                           wcx.hInstance, NULL);
    if (!hWnd)
    {
        skip("CreateWindowExW failed with error %lu\n", GetLastError());
        goto Quit;
    }
 
    SetLastError(0xfeedfab1);
    ret = IsServerSideWindow(hWnd);
    ok(ret, "The window %p is invalid or doesn't have a valid kernel-mode WndProc\n", hWnd);
    ok_eq_ulong(GetLastError(), 0xfeedfab1); // The last-error shouldn't change.
 
    DestroyWindow(hWnd);
 
    /* 3. Window with a user-mode WndProc */
    hWnd = CreateWindowExW(0,
                           WndClass,
                           NULL,
                           WS_CAPTION | WS_SYSMENU,
                           CW_USEDEFAULT, CW_USEDEFAULT,
                           400, 100,
                           NULL, 0,
                           wcx.hInstance, NULL);
    if (!hWnd)
    {
        skip("CreateWindowExW failed with error %lu\n", GetLastError());
        goto Quit;
    }
 
    SetLastError(0xfeedfab1);
    ret = IsServerSideWindow(hWnd);
    ok(!ret, "The window %p has a valid kernel-mode WndProc when it should not\n", hWnd);
    ok_eq_ulong(GetLastError(), 0xfeedfab1); // The last-error shouldn't change.
 
    DestroyWindow(hWnd);
 
Quit:
    UnregisterClassW(WndClass, wcx.hInstance);
    return;
}

Test_WndProc()

static LRESULT CALLBACK Test_WndProc ( HWND  hWnd, UINT  msg, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 15 of file IsServerSideWindow.c.

{
    switch (msg)
    {
        case WM_PAINT:
            return 0;
 
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
    }
 
    return DefWindowProcW(hWnd, msg, wParam, lParam);
}

Referenced by START_TEST().

Variable Documentation

WndClass

const WCHAR WndClass[] = L"window class"

static

Definition at line 11 of file IsServerSideWindow.c.

Referenced by _tWinMain(), capCreateCaptureWindowW(), ImageView_Main(), RegisterClassExA(), RegisterClassExWOWW(), RegisterConWndClass(), RegisterHexEditorClass(), RegisterSystemControls(), RegisterWinPrevClass(), SHRegisterClassW(), SHUnregisterClassesA(), SHUnregisterClassesW(), START_TEST(), and WinMain().