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https://github.com/reactos/reactos.git
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96 lines
3.5 KiB
C
96 lines
3.5 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 ExcludeClipRect
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* PROGRAMMERS: Timo Kreuzer
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*/
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#include "precomp.h"
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void Test_ExcludeClipRect()
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{
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HDC hdc;
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HRGN hrgn, hrgn2;
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hdc = CreateCompatibleDC(NULL);
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ok(hdc != 0, "CreateCompatibleDC failed, skipping tests.\n");
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if (!hdc) return;
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hrgn2 = CreateRectRgn(0, 0, 0, 0);
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/* Test NULL DC */
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SetLastError(0x12345);
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ok_int(ExcludeClipRect(NULL, 0, 0, 0, 0), ERROR);
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ok_int(GetLastError(), ERROR_INVALID_HANDLE);
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/* Test invalid DC */
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SetLastError(0x12345);
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ok_int(ExcludeClipRect((HDC)(ULONG_PTR)0x12345, 0, 0, 0, 0), ERROR);
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ok_int(GetLastError(), ERROR_INVALID_HANDLE);
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SetLastError(0x12345);
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/* Set a clip region */
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hrgn = CreateRectRgn(10, 10, 20, 30);
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ok_int(SelectClipRgn(hdc, hrgn), NULLREGION); // yeah... it's NULLREGION
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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ok_int(EqualRgn(hrgn, hrgn2), TRUE); // but in fact it's the region we set
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/* Exclude something outside of the clip region */
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ok_int(ExcludeClipRect(hdc, 0, 0, 1, 1), COMPLEXREGION); // in reality it's a rect region
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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ok_int(EqualRgn(hrgn, hrgn2), TRUE);
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/* Exclude something on one side of the clip rect */
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ok_int(ExcludeClipRect(hdc, 0, 0, 13, 50), COMPLEXREGION);
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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ok_int(CombineRgn(hrgn, hrgn2, NULL, RGN_COPY), SIMPLEREGION);
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/* Exclude something on the edge of the clip rect */
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ok_int(ExcludeClipRect(hdc, 0, 0, 15, 15), COMPLEXREGION);
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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ok_int(CombineRgn(hrgn, hrgn2, NULL, RGN_COPY), COMPLEXREGION);
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/* Exclude everything left */
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ok_int(ExcludeClipRect(hdc, 0, 0, 100, 100), NULLREGION);
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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ok_int(CombineRgn(hrgn, hrgn2, NULL, RGN_COPY), NULLREGION);
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/* Reset the clip region */
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ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION); // makes sense, it's actually the whole region
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 0); // return value says region is NULL
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ok_int(ExcludeClipRect(hdc, 0, 0, 1, 1), NULLREGION);
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1); // but now we have a region
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ok_int(CombineRgn(hrgn, hrgn2, NULL, RGN_COPY), NULLREGION); // but it's a NULLREGION (aka empty)?
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/* Test negative rect */
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ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION);
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ok_int(ExcludeClipRect(hdc, -10, -10, 0, 0), COMPLEXREGION); // this time it's a complex region?
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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hrgn = CreateRectRgn(0, 0, 1, 1);
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ok_int(CombineRgn(hrgn2, hrgn2, hrgn, RGN_XOR), NULLREGION);
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/* Test rect with high coordinates */
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ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION);
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ok_int(ExcludeClipRect(hdc, 100000, 100000, 100010, 100010), COMPLEXREGION); // this time it's a complex region?
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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hrgn = CreateRectRgn(0, 0, 1, 1);
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ok_int(EqualRgn(hrgn, hrgn2), TRUE);
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DeleteObject(hrgn);
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/* Test reversed rect negative, but still above 0 */
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ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION);
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ok_int(ExcludeClipRect(hdc, 1, 1, -10, -20), NULLREGION);
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ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
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hrgn = CreateRectRgn(0, 0, 0, 0);
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ok_int(CombineRgn(hrgn, hrgn2, NULL, RGN_COPY), NULLREGION);
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ok_int(GetLastError(), 0x12345);
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}
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START_TEST(ExcludeClipRect)
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{
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Test_ExcludeClipRect();
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}
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