Sweden-Number/dlls/wintab32/tests/context.c

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/*
* tests for Wintab context behavior
*
* Copyright 2009 John Klehm
*
* 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 <assert.h>
#include <windows.h>
#include <wintab.h>
#include "wine/test.h"
static const CHAR wintab32Dll[] = "Wintab32.dll";
static const CHAR wintabTestWindowClassName[] = "WintabTestWnd";
static const CHAR contextName[] = "TestContext";
static const UINT X = 0;
static const UINT Y = 0;
static const UINT WIDTH = 200;
static const UINT HEIGHT = 200;
static HCTX (WINAPI *pWTOpenA)(HWND, LPLOGCONTEXTA, BOOL);
static BOOL (WINAPI *pWTClose)(HCTX);
static HMODULE load_functions(void)
{
#define GET_PROC(func) \
(p ## func = (void *)GetProcAddress(hWintab, #func))
HMODULE hWintab = LoadLibraryA(wintab32Dll);
if (!hWintab)
{
trace("LoadLibraryA(%s) failed\n",
wintab32Dll);
return NULL;
}
if (GET_PROC(WTOpenA) &&
GET_PROC(WTClose) )
{
return hWintab;
}
else
{
FreeLibrary(hWintab);
trace("Library loaded but failed to load function pointers\n");
return NULL;
}
#undef GET_PROC
}
static LRESULT CALLBACK wintabTestWndProc(HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam)
{
return DefWindowProcA(hwnd, msg, wParam, lParam);
}
static void wintab_create_window(HWND* pHwnd)
{
WNDCLASSA testWindowClass;
if (!pHwnd) return;
*pHwnd = NULL;
ZeroMemory(&testWindowClass, sizeof(testWindowClass));
testWindowClass.lpfnWndProc = (WNDPROC)wintabTestWndProc;
testWindowClass.hInstance = NULL;
testWindowClass.hIcon = NULL;
testWindowClass.hCursor = NULL;
testWindowClass.hbrBackground = NULL;
testWindowClass.lpszMenuName = NULL;
testWindowClass.lpszClassName = wintabTestWindowClassName;
assert(RegisterClassA(&testWindowClass));
*pHwnd = CreateWindowA(wintabTestWindowClassName, NULL,
WS_OVERLAPPED, X, Y, WIDTH, HEIGHT, NULL, NULL,
NULL, NULL);
assert(*pHwnd != NULL);
}
static void wintab_destroy_window(HWND hwnd)
{
DestroyWindow(hwnd);
UnregisterClassA(wintabTestWindowClassName, NULL);
}
/* test how a logcontext is validated by wtopen */
static void test_WTOpenContextValidation(void)
{
HWND defaultWindow = NULL;
HCTX hCtx = NULL;
LOGCONTEXTA testLogCtx;
LOGCONTEXTA refLogCtx;
int memdiff;
wintab_create_window(&defaultWindow);
ZeroMemory(&testLogCtx, sizeof(testLogCtx));
strcpy(testLogCtx.lcName, contextName);
ZeroMemory(&refLogCtx, sizeof(refLogCtx));
strcpy(refLogCtx.lcName, contextName);
/* a zeroed out context has values which makes WTOpen return null
* on wacom tablets but not on uclogic tablets */
hCtx = pWTOpenA(defaultWindow, &testLogCtx, TRUE);
/* check if the context gets updated */
memdiff = memcmp(&testLogCtx, &refLogCtx, sizeof(LOGCONTEXTA));
ok(0 == memdiff, "Expected 0 == memcmp(testLogCtx, refLogCtx), got %i\n",
memdiff);
if (hCtx)
pWTClose(hCtx);
wintab_destroy_window(defaultWindow);
}
START_TEST(context)
{
HMODULE hWintab = load_functions();
if (!hWintab)
{
skip("Wintab32.dll not available\n");
return;
}
test_WTOpenContextValidation();
FreeLibrary(hWintab);
}