reactos/rostests/apitests/gdi32api/tests/SelectObject.c

INT
Test_SelectObject(PTESTINFO pti)
{
	HGDIOBJ hOldObj, hNewObj;
	HDC hScreenDC, hDC, hDC2;
	PGDI_TABLE_ENTRY pEntry;
	PDC_ATTR pDc_Attr;
	HANDLE hcmXform;
	BYTE bmBits[4] = {0};

	hScreenDC = GetDC(NULL);
	ASSERT (hScreenDC != NULL);
	hDC = CreateCompatibleDC(hScreenDC);
	ASSERT (hDC != NULL);

	/* Get the Dc_Attr for later testing */
	pEntry = &GdiHandleTable[GDI_HANDLE_GET_INDEX(hDC)];
	ASSERT(pEntry);
	pDc_Attr = pEntry->UserData;
	ASSERT(pDc_Attr);

	/* Test incomplete dc handle doesn't work */
	SetLastError(ERROR_SUCCESS);
	hNewObj = GetStockObject(GRAY_BRUSH);
	hOldObj = SelectObject((HDC)GDI_HANDLE_GET_INDEX(hDC), hNewObj);
	TEST(GetLastError() == ERROR_INVALID_HANDLE);
	TEST(hOldObj == NULL);
	TEST(pDc_Attr->hbrush == GetStockObject(WHITE_BRUSH));
	SelectObject(hDC, hOldObj);

	/* Test incomplete hobj handle works */
	hNewObj = GetStockObject(GRAY_BRUSH);
	hOldObj = SelectObject(hDC, (HGDIOBJ)GDI_HANDLE_GET_INDEX(hNewObj));
	TEST(hOldObj == GetStockObject(WHITE_BRUSH));
	TEST(pDc_Attr->hbrush == hNewObj);
	SelectObject(hDC, hOldObj);

	/* Test wrong hDC handle type */
	SetLastError(ERROR_SUCCESS);
	hNewObj = GetStockObject(GRAY_BRUSH);
	hDC2 = (HDC)((UINT_PTR)hDC & ~GDI_HANDLE_TYPE_MASK);
	hDC2 = (HDC)((UINT_PTR)hDC2 | GDI_OBJECT_TYPE_PEN);
	hOldObj = SelectObject(hDC2, hNewObj);
	TEST(GetLastError() == ERROR_INVALID_HANDLE);
	TEST(hOldObj == NULL);
	TEST(pDc_Attr->hbrush == GetStockObject(WHITE_BRUSH));

	/* Test wrong hobj handle type */
	SetLastError(ERROR_SUCCESS);
	hNewObj = GetStockObject(GRAY_BRUSH);
	hNewObj = (HGDIOBJ)((UINT_PTR)hNewObj & ~GDI_HANDLE_TYPE_MASK);
	hNewObj = (HGDIOBJ)((UINT_PTR)hNewObj | GDI_OBJECT_TYPE_PEN);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(GetLastError() == ERROR_SUCCESS);
	TEST(hOldObj == NULL);
	TEST(pDc_Attr->hbrush == GetStockObject(WHITE_BRUSH));

	SetLastError(ERROR_SUCCESS);
	hNewObj = (HGDIOBJ)0x00761234;
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(hOldObj == NULL);
	TEST(GetLastError() == ERROR_SUCCESS);
	SelectObject(hDC, hOldObj);

	/* Test DC */
	SetLastError(ERROR_SUCCESS);
	hOldObj = SelectObject(hDC, hScreenDC);
	TEST(hOldObj == NULL);
	TEST(GetLastError() == ERROR_SUCCESS);

	/* Test REGION */
	SetLastError(ERROR_SUCCESS);
	hNewObj = CreateRectRgn(0,0,0,0);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST((UINT_PTR)hOldObj == NULLREGION);
	DeleteObject(hNewObj);

	hNewObj = CreateRectRgn(0,0,10,10);
	TEST((UINT_PTR)SelectObject(hDC, hNewObj) == SIMPLEREGION);
	hOldObj = CreateRectRgn(5,5,20,20);
	TEST(CombineRgn(hNewObj, hNewObj, hOldObj, RGN_OR) == COMPLEXREGION);
	DeleteObject(hOldObj);
	TEST((UINT_PTR)SelectObject(hDC, hNewObj) == SIMPLEREGION); // ??? Why this?
	DeleteObject(hNewObj);
	TEST(GetLastError() == ERROR_SUCCESS);

	/* Test BITMAP */
	hNewObj = CreateBitmap(2, 2, 1, 1, &bmBits);
	ASSERT(hNewObj != NULL);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(GDI_HANDLE_GET_TYPE(hOldObj) == GDI_OBJECT_TYPE_BITMAP);
	hOldObj = SelectObject(hDC, hOldObj);
	TEST(hOldObj == hNewObj);

	/* Test CLIOBJ */

	/* Test PATH */

	/* Test PALETTE */
	SetLastError(ERROR_SUCCESS);
	hNewObj = GetStockObject(DEFAULT_PALETTE);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(hOldObj == NULL);
	TEST(GetLastError() == ERROR_INVALID_FUNCTION);

	/* Test COLORSPACE */

	/* Test FONT */

	/* Test PFE */

	/* Test BRUSH */
	hNewObj = GetStockObject(GRAY_BRUSH);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(hOldObj == GetStockObject(WHITE_BRUSH));
	TEST(pDc_Attr->hbrush == hNewObj);
	TEST(GDI_HANDLE_GET_TYPE(hOldObj) == GDI_OBJECT_TYPE_BRUSH);
	SelectObject(hDC, hOldObj);

	/* Test DC_BRUSH */
	hNewObj = GetStockObject(DC_BRUSH);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(pDc_Attr->hbrush == hNewObj);
	SelectObject(hDC, hOldObj);

	/* Test BRUSH color xform */
	hcmXform = (HANDLE)pDc_Attr->hcmXform;


	/* Test EMF */

	/* test METAFILE */

	/* Test ENHMETAFILE */

	/* Test PEN */
	hNewObj = GetStockObject(GRAY_BRUSH);
	hOldObj = SelectObject(hDC, hNewObj);
	TEST(hOldObj == GetStockObject(WHITE_BRUSH));
	TEST(pDc_Attr->hbrush == hNewObj);
	TEST(GDI_HANDLE_GET_TYPE(hOldObj) == GDI_OBJECT_TYPE_BRUSH);
	SelectObject(hDC, hOldObj);


	/* Test EXTPEN */

	/* Test METADC */


	return APISTATUS_NORMAL;
}