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gdi32: Add ExtSelectClipRgn() tests for memory and window DCs.

This commit is contained in:
Dmitry Timoshkov 2011-02-01 18:04:28 +08:00 committed by Alexandre Julliard
parent aef85c72c8
commit 73ef76538c
1 changed files with 101 additions and 0 deletions
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101
dlls/gdi32/tests/clipping.c
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@ -353,9 +353,110 @@ static void test_GetClipRgn(void)
ReleaseDC(NULL, hdc);
}
static void test_memory_dc_clipping(void)
{
HDC hdc;
HRGN hrgn, hrgn_empty;
HBITMAP hbmp;
RECT rc;
int ret;
hdc = CreateCompatibleDC(0);
hrgn_empty = CreateRectRgn(0, 0, 0, 0);
hrgn = CreateRectRgn(0, 0, 0, 0);
hbmp = CreateCompatibleBitmap(hdc, 100, 100);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 0, "expected 0, got %d\n", ret);
ret = ExtSelectClipRgn(hdc, hrgn_empty, RGN_DIFF);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 1, "expected 1, got %d\n", ret);
ret = GetRgnBox(hrgn, &rc);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ok(rc.left == 0 && rc.top == 0 && rc.right == 1 && rc.bottom == 1,
"expected 0,0-1,1, got %d,%d-%d,%d\n", rc.left, rc.top, rc.right, rc.bottom);
ret = ExtSelectClipRgn(hdc, 0, RGN_COPY);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 0, "expected 0, got %d\n", ret);
SelectObject(hdc, hbmp);
ret = ExtSelectClipRgn(hdc, hrgn_empty, RGN_DIFF);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 1, "expected 1, got %d\n", ret);
ret = GetRgnBox(hrgn, &rc);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ok(rc.left == 0 && rc.top == 0 && rc.right == 100 && rc.bottom == 100,
"expected 0,0-100,100, got %d,%d-%d,%d\n", rc.left, rc.top, rc.right, rc.bottom);
DeleteDC(hdc);
DeleteObject(hrgn);
DeleteObject(hrgn_empty);
DeleteObject(hbmp);
}
static void test_window_dc_clipping(void)
{
HDC hdc;
HRGN hrgn, hrgn_empty;
HWND hwnd;
RECT rc;
int ret, screen_width, screen_height;
screen_width = GetSystemMetrics(SM_CXSCREEN);
screen_height = GetSystemMetrics(SM_CYSCREEN);
trace("screen resolution %d x %d\n", screen_width, screen_height);
hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP,
-100, -100, screen_width * 2, screen_height * 2, 0, 0, 0, NULL);
hdc = GetWindowDC(0);
hrgn_empty = CreateRectRgn(0, 0, 0, 0);
hrgn = CreateRectRgn(0, 0, 0, 0);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 0, "expected 0, got %d\n", ret);
ret = ExtSelectClipRgn(hdc, hrgn_empty, RGN_DIFF);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 1, "expected 1, got %d\n", ret);
ret = GetRgnBox(hrgn, &rc);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ok(rc.left == 0 && rc.top == 0 && rc.right == screen_width && rc.bottom == screen_height,
"expected 0,0-%d,%d, got %d,%d-%d,%d\n", screen_width, screen_height,
rc.left, rc.top, rc.right, rc.bottom);
ret = ExtSelectClipRgn(hdc, 0, RGN_COPY);
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
ret = GetClipRgn(hdc, hrgn);
ok(ret == 0, "expected 0, got %d\n", ret);
DeleteDC(hdc);
DeleteObject(hrgn);
DeleteObject(hrgn_empty);
DestroyWindow(hwnd);
}
START_TEST(clipping)
{
test_GetRandomRgn();
test_ExtCreateRegion();
test_GetClipRgn();
test_memory_dc_clipping();
test_window_dc_clipping();
}