NtGdiGetRandomRgn.c File Reference

#include "../win32nt.h"

Include dependency graph for NtGdiGetRandomRgn.c:

Go to the source code of this file.

Functions
	START_TEST (NtGdiGetRandomRgn)

Function Documentation

START_TEST()

START_TEST

(

NtGdiGetRandomRgn

)

Definition at line 10 of file NtGdiGetRandomRgn.c.

{
    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);
 
    ok(hDC != NULL, "hDC was NULL.\n");
 
    hrgn = CreateRectRgn(0,0,0,0);
    hrgn2 = CreateRectRgn(3,3,10,10);
    SetLastError(ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn(0, hrgn, 0), -1);
    ok_long(GetLastError(), ERROR_INVALID_HANDLE);
 
    SetLastError(ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn((HDC)2345, hrgn, 1), -1);
    ok_long(GetLastError(), ERROR_INVALID_HANDLE);
 
    SetLastError(ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn((HDC)2345, hrgn, 10), -1);
    ok_long(GetLastError(), ERROR_INVALID_HANDLE);
 
    SetLastError(ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn((HDC)2345, (HRGN)10, 10), -1);
    ok_long(GetLastError(), ERROR_INVALID_HANDLE);
 
    SetLastError(ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn((HDC)2345, 0, 1), -1);
    ok_long(GetLastError(), ERROR_INVALID_HANDLE);
 
    SetLastError(ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn(hDC, 0, 0), 0);
    ok_int(NtGdiGetRandomRgn(hDC, 0, 1), 0);
    ok_int(NtGdiGetRandomRgn(hDC, (HRGN)-5, 0), 0);
    ok_int(NtGdiGetRandomRgn(hDC, (HRGN)-5, 1), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 0), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 1), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 2), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 3), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 4), 1);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 5), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 10), 0);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, -10), 0);
    ok_long(GetLastError(), ERROR_SUCCESS);
 
    SelectClipRgn(hDC, hrgn2);
    ok_int(NtGdiGetRandomRgn(hDC, 0, 1), -1);
    ok_long(GetLastError(), ERROR_SUCCESS);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 1), 1);
    ok_int(CombineRgn(hrgn, hrgn, hrgn, RGN_OR), SIMPLEREGION);
    ok_int(CombineRgn(hrgn, hrgn, hrgn2, RGN_XOR), NULLREGION);
 
    SetRectRgn(hrgn2,0,0,0,0);
    SelectClipRgn(hDC, hrgn2);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 1), 1);
 
    ok_int(CombineRgn(hrgn2, hrgn, hrgn2, RGN_XOR), NULLREGION);
    ok_int(CombineRgn(hrgn2, hrgn, hrgn, RGN_OR), NULLREGION);
 
    SelectClipRgn(hDC, NULL);
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 1), 0);
 
 
    ok_int(NtGdiGetRandomRgn(hDC, hrgn, 4), 1);
 
    ok_long(GetLastError(), ERROR_SUCCESS);
 
    ReleaseDC(hWnd, hDC);
    DestroyWindow(hWnd);
 
}