[APOTESTS]

[reactos.git] / rostests / apitests / win32nt / ntgdi / NtGdiGetRandomRgn.c

diff --git a/rostests/apitests/win32nt/ntgdi/NtGdiGetRandomRgn.c b/rostests/apitests/win32nt/ntgdi/NtGdiGetRandomRgn.c
new file mode 100644 (file)
index 0000000..63f4d39
--- /dev/null
+++ b/rostests/apitests/win32nt/ntgdi/NtGdiGetRandomRgn.c
@@ -0,0 +1,88 @@
+/*
+ * PROJECT:         ReactOS api tests
+ * LICENSE:         GPL - See COPYING in the top level directory
+ * PURPOSE:         Test for NtGdiGetRandomRgn
+ * PROGRAMMERS:
+ */
+
+#include <win32nt.h>
+
+START_TEST(NtGdiGetRandomRgn)
+{
+    HINSTANCE hinst = GetModuleHandle(NULL);
+       HWND hWnd;
+       HDC hDC;
+       HRGN hrgn, hrgn2;
+
+       /* Create a window */
+       hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+                           CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
+                           NULL, NULL, hinst, 0);
+//     UpdateWindow(hWnd);
+       hDC = GetDC(hWnd);
+
+       ASSERT(hDC != NULL);
+
+       hrgn = CreateRectRgn(0,0,0,0);
+       hrgn2 = CreateRectRgn(3,3,10,10);
+       SetLastError(ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn(0, hrgn, 0) == -1);
+       RTEST(GetLastError() == ERROR_INVALID_HANDLE);
+
+       SetLastError(ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn((HDC)2345, hrgn, 1) == -1);
+       RTEST(GetLastError() == ERROR_INVALID_HANDLE);
+
+       SetLastError(ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn((HDC)2345, hrgn, 10) == -1);
+       RTEST(GetLastError() == ERROR_INVALID_HANDLE);
+
+       SetLastError(ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn((HDC)2345, (HRGN)10, 10) == -1);
+       RTEST(GetLastError() == ERROR_INVALID_HANDLE);
+
+       SetLastError(ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn((HDC)2345, 0, 1) == -1);
+       RTEST(GetLastError() == ERROR_INVALID_HANDLE);
+
+       SetLastError(ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn(hDC, 0, 0) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, 0, 1) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, (HRGN)-5, 0) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, (HRGN)-5, 1) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 0) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 1) == 0);
+       TEST(NtGdiGetRandomRgn(hDC, hrgn, 2) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 3) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 4) == 1);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 5) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 10) == 0);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, -10) == 0);
+       RTEST(GetLastError() == ERROR_SUCCESS);
+
+       SelectClipRgn(hDC, hrgn2);
+       RTEST(NtGdiGetRandomRgn(hDC, 0, 1) == -1);
+       RTEST(GetLastError() == ERROR_SUCCESS);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 1) == 1);
+       RTEST(CombineRgn(hrgn, hrgn, hrgn, RGN_OR) == SIMPLEREGION);
+       RTEST(CombineRgn(hrgn, hrgn, hrgn2, RGN_XOR) == NULLREGION);
+
+       SetRectRgn(hrgn2,0,0,0,0);
+       SelectClipRgn(hDC, hrgn2);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 1) == 1);
+
+       RTEST(CombineRgn(hrgn2, hrgn, hrgn2, RGN_XOR) == NULLREGION);
+       RTEST(CombineRgn(hrgn2, hrgn, hrgn, RGN_OR) == NULLREGION);
+
+       SelectClipRgn(hDC, NULL);
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 1) == 0);
+
+
+       RTEST(NtGdiGetRandomRgn(hDC, hrgn, 4) == 1);
+
+       RTEST(GetLastError() == ERROR_SUCCESS);
+
+       ReleaseDC(hWnd, hDC);
+       DestroyWindow(hWnd);
+
+}