reactos/rostests/apitests/w32knapi/ntgdi/NtGdiDeleteObjectApp.c

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C
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INT
Test_NtGdiDeleteObjectApp(PTESTINFO pti)
{
HDC hdc;
HBITMAP hbmp;
HBRUSH hbrush;
/* Try to delete 0 */
SetLastError(0);
TEST(NtGdiDeleteObjectApp(0) == 0);
TEST(GetLastError() == 0);
/* Try to delete something with a stockbit */
SetLastError(0);
TEST(NtGdiDeleteObjectApp((PVOID)(GDI_HANDLE_STOCK_MASK | 0x1234)) == 1);
TEST(GetLastError() == 0);
/* Delete a DC */
SetLastError(0);
hdc = CreateCompatibleDC(NULL);
ASSERT(IsHandleValid(hdc) == 1);
TEST(NtGdiDeleteObjectApp(hdc) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hdc) == 0);
/* Delete a brush */
SetLastError(0);
hbrush = CreateSolidBrush(0x123456);
ASSERT(IsHandleValid(hbrush) == 1);
TEST(NtGdiDeleteObjectApp(hbrush) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbrush) == 0);
/* Try to delete a stock brush */
SetLastError(0);
hbrush = GetStockObject(BLACK_BRUSH);
ASSERT(IsHandleValid(hbrush) == 1);
TEST(NtGdiDeleteObjectApp(hbrush) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbrush) == 1);
/* Delete a bitmap */
SetLastError(0);
hbmp = CreateBitmap(10, 10, 1, 1, NULL);
ASSERT(IsHandleValid(hbmp) == 1);
TEST(NtGdiDeleteObjectApp(hbmp) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbmp) == 0);
/* Create a DC for further use */
hdc = CreateCompatibleDC(NULL);
ASSERT(hdc);
/* Try to delete a brush that is selected into a DC */
SetLastError(0);
hbrush = CreateSolidBrush(0x123456);
ASSERT(IsHandleValid(hbrush) == 1);
TEST(NtGdiSelectBrush(hdc, hbrush));
TEST(NtGdiDeleteObjectApp(hbrush) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbrush) == 1);
/* Try to delete a bitmap that is selected into a DC */
SetLastError(0);
hbmp = CreateBitmap(10, 10, 1, 1, NULL);
ASSERT(IsHandleValid(hbmp) == 1);
TEST(NtGdiSelectBitmap(hdc, hbmp));
TEST(NtGdiDeleteObjectApp(hbmp) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbmp) == 1);
/* Bitmap get's deleted as soon as we dereference it */
NtGdiSelectBitmap(hdc, GetStockObject(DEFAULT_BITMAP));
TEST(IsHandleValid(hbmp) == 0);
TEST(NtGdiDeleteObjectApp(hbmp) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbmp) == 0);
/* Try to delete a brush that is selected into a DC */
SetLastError(0);
hbrush = CreateSolidBrush(123);
ASSERT(IsHandleValid(hbrush) == 1);
TEST(NtGdiSelectBrush(hdc, hbrush));
TEST(NtGdiDeleteObjectApp(hbrush) == 1);
TEST(GetLastError() == 0);
TEST(IsHandleValid(hbrush) == 1);
return APISTATUS_NORMAL;
}