reactos/rostests/apitests/gdi32/GetClipRgn.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for GetClipRgn
* PROGRAMMERS: Timo Kreuzer
*/
#include <apitest.h>
#include <wingdi.h>
#include <winuser.h>
void Test_GetClipRgn()
{
HWND hWnd;
HDC hDC;
HRGN hrgn;//, hrgn2;
int ret;
/* Create a window */
hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
NULL, NULL, 0, 0);
hDC = GetDC(hWnd);
hrgn = CreateRectRgn(0,0,0,0);
/* Test invalid DC */
SetLastError(ERROR_SUCCESS);
ret = GetClipRgn((HDC)0x12345, hrgn);
ok(ret == -1, "Expected -1, got %d\n", ret);
ok(GetLastError() == ERROR_INVALID_PARAMETER, "Expected ERROR_INVALID_PARAMETER, got %ld\n", GetLastError());
/* Test invalid hrgn */
SetLastError(ERROR_SUCCESS);
ret = GetClipRgn(hDC, (HRGN)0x12345);
ok(ret == 0, "Expected 0, got %d\n", ret);
ok(GetLastError() == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %ld\n", GetLastError());
ReleaseDC(hWnd, hDC);
DestroyWindow(hWnd);
}
START_TEST(GetClipRgn)
{
Test_GetClipRgn();
}