--- /dev/null
+/*
+ * PROJECT: ReactOS api tests
+ * LICENSE: GPL - See COPYING in the top level directory
+ * PURPOSE: Test for NtUserCallOneParam
+ * PROGRAMMERS:
+ */
+
+#include <win32nt.h>
+
+
+
+void
+Test_OneParamRoutine_BeginDeferWindowPos(void) /* 0x1e */
+{
+ HDWP hWinPosInfo;
+
+ hWinPosInfo = (HDWP)NtUserCallOneParam(5, 0x1e);
+ TEST(hWinPosInfo != 0);
+ TEST(EndDeferWindowPos(hWinPosInfo) != 0);
+
+}
+
+void
+Test_OneParamRoutine_WindowFromDC(void) /* 0x1f */
+{
+ HDC hDC = GetDC(NULL);
+ HWND hWnd;
+
+ hWnd = (HWND)NtUserCallOneParam((DWORD)hDC, 0x1f);
+ TEST(hWnd != 0);
+ TEST(IsWindow(hWnd));
+ TEST(hWnd == GetDesktopWindow());
+
+}
+
+void
+Test_OneParamRoutine_CreateEmptyCurObject(void) /* XP/2k3 : 0x21, vista 0x25 */
+{
+ HICON hIcon ;
+
+ /* Test 0 */
+ hIcon = (HICON) NtUserCallOneParam(0, _ONEPARAM_ROUTINE_CREATEEMPTYCUROBJECT);
+ TEST(hIcon != NULL);
+
+ TEST(NtUserDestroyCursor(hIcon, 0) == TRUE);
+
+ /* Test Garbage */
+ hIcon = (HICON) NtUserCallOneParam(0xdeadbeef, _ONEPARAM_ROUTINE_CREATEEMPTYCUROBJECT);
+ TEST(hIcon != NULL);
+
+ TEST(NtUserDestroyCursor(hIcon, 0xbaadf00d) == TRUE);
+
+}
+
+void
+Test_OneParamRoutine_MapDesktopObject(void) /* 0x30 */
+{
+ DWORD pObject;
+ HWND hWnd;
+ HMENU hMenu;
+
+ hWnd = GetDesktopWindow();
+ pObject = NtUserCallOneParam((DWORD)hWnd, _ONEPARAM_ROUTINE_MAPDEKTOPOBJECT);
+ TEST(pObject > 0);
+ TEST(pObject < 0x80000000);
+
+ hMenu = CreateMenu();
+ pObject = NtUserCallOneParam((DWORD)hMenu, _ONEPARAM_ROUTINE_MAPDEKTOPOBJECT);
+ DestroyMenu(hMenu);
+ TEST(pObject > 0);
+ TEST(pObject < 0x80000000);
+
+}
+
+void
+Test_OneParamRoutine_SwapMouseButtons(void) /* 0x42 */
+{
+ BOOL bInverse;
+
+ NtUserCallOneParam(TRUE, _ONEPARAM_ROUTINE_SWAPMOUSEBUTTON);
+ bInverse = (BOOL)NtUserCallOneParam(FALSE, _ONEPARAM_ROUTINE_SWAPMOUSEBUTTON);
+ TEST(bInverse == TRUE);
+ bInverse = (BOOL)NtUserCallOneParam(FALSE, _ONEPARAM_ROUTINE_SWAPMOUSEBUTTON);
+ TEST(bInverse == FALSE);
+
+ // TODO: test other values
+}
+
+START_TEST(NtUserCallOneParam)
+{
+ Test_OneParamRoutine_BeginDeferWindowPos(); /* 0x1e */
+ Test_OneParamRoutine_WindowFromDC(); /* 0x1f */
+ Test_OneParamRoutine_CreateEmptyCurObject(); /* XP/2k3 : 0x21, vista 0x25 */
+ Test_OneParamRoutine_MapDesktopObject(); /* 0x30 */
+ Test_OneParamRoutine_SwapMouseButtons(); /* 0x42 */
+}