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https://github.com/reactos/reactos.git
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118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPL - See COPYING in the top level directory
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* PURPOSE: Test for NtUserScrollDC
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* PROGRAMMERS:
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*/
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#include <win32nt.h>
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START_TEST(NtUserScrollDC)
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{
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HINSTANCE hinst = GetModuleHandle(NULL);
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HWND hWnd;
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HDC hDC;
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HRGN hRgn, hTmpRgn;
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RECT rcScroll, rcClip, rcUpdate;
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RECT rect = {0,0,100,100};
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INT Result;
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hWnd = CreateWindowA("BUTTON",
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"Test",
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BS_PUSHBUTTON | WS_VISIBLE,
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0,
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0,
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50,
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100,
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NULL,
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NULL,
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hinst,
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0);
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ASSERT(hWnd);
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RedrawWindow(hWnd, &rect, NULL, RDW_UPDATENOW);
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hDC = GetDC(hWnd);
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ASSERT(hDC);
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hRgn = CreateRectRgn(0,0,10,10);
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/* Test inverted clip rect */
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rcScroll.left = 0;
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rcScroll.top = 25;
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rcScroll.right = 100;
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rcScroll.bottom = 40;
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rcClip.left = 0;
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rcClip.top = 35;
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rcClip.right = -70;
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rcClip.bottom = -1000;
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SetLastError(ERROR_SUCCESS);
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Result = NtUserScrollDC(hDC, 10, 20, &rcScroll, &rcClip, hRgn, &rcUpdate);
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RTEST(Result == 1);
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RTEST(GetLastError() == ERROR_SUCCESS);
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/* Test inverted scroll rect */
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rcScroll.left = 0;
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rcScroll.top = 25;
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rcScroll.right = -100;
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rcScroll.bottom = -40;
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rcClip.left = 0;
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rcClip.top = 35;
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rcClip.right = 70;
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rcClip.bottom = 1000;
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SetLastError(ERROR_SUCCESS);
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Result = NtUserScrollDC(hDC, 10, 20, &rcScroll, &rcClip, hRgn, &rcUpdate);
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RTEST(Result == 1);
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RTEST(GetLastError() == ERROR_SUCCESS);
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rcScroll.left = 0;
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rcScroll.top = 25;
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rcScroll.right = 100;
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rcScroll.bottom = 40;
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/* Test invalid update region */
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SetLastError(ERROR_SUCCESS);
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Result = NtUserScrollDC(hDC, 10, 20, &rcScroll, &rcClip, (HRGN)0x123456, &rcUpdate);
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RTEST(Result == 0);
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TEST(GetLastError() == ERROR_INVALID_HANDLE);
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/* Test invalid dc */
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SetLastError(ERROR_SUCCESS);
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Result = NtUserScrollDC((HDC)0x123456, 10, 20, &rcScroll, &rcClip, hRgn, &rcUpdate);
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RTEST(Result == 0);
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RTEST(GetLastError() == ERROR_SUCCESS);
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/* Test invalid update rect */
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SetLastError(ERROR_SUCCESS);
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Result = NtUserScrollDC(hDC, 10, 20, &rcScroll, &rcClip, hRgn, (PVOID)(LONG_PTR)0x80001000);
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RTEST(Result == 0);
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RTEST(GetLastError() == ERROR_NOACCESS);
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Result = NtUserScrollDC(hDC, 10, 20, &rcScroll, &rcClip, hRgn, &rcUpdate);
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RTEST(Result == TRUE);
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RTEST(rcUpdate.left == 0);
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RTEST(rcUpdate.top == 35);
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RTEST(rcUpdate.right == 70);
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RTEST(rcUpdate.bottom == 55);
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hTmpRgn = CreateRectRgn(10,45,70,55);
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Result = CombineRgn(hRgn, hRgn, hTmpRgn, RGN_XOR);
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RTEST(Result == SIMPLEREGION);
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SetRectRgn(hTmpRgn,0,35,70,40);
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Result = CombineRgn(hRgn, hRgn, hTmpRgn, RGN_XOR);
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RTEST(Result == NULLREGION);
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DeleteObject(hTmpRgn);
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/* TODO: Test with another window in front */
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/* TODO: Test with different viewport extension */
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ReleaseDC(hWnd, hDC);
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DestroyWindow(hWnd);
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DeleteObject(hRgn);
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}
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