[tkreuzer] 47549: [GDI32API] add IsHandleValid and use it SelectObject test

Author: tkreuzer
Date: Thu Jun  3 21:35:05 2010
New Revision: 47549

URL: http://svn.reactos.org/svn/reactos?rev=47549&view=rev
Log:
[GDI32API]
add IsHandleValid and use it SelectObject test

Modified:
    trunk/rostests/apitests/gdi32api/gdi32api.c
    trunk/rostests/apitests/gdi32api/gdi32api.h
    trunk/rostests/apitests/gdi32api/tests/SelectObject.c

Modified: trunk/rostests/apitests/gdi32api/gdi32api.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/apitests/gdi32api/gdi32ap…
==============================================================================
--- trunk/rostests/apitests/gdi32api/gdi32api.c [iso-8859-1] (original)
+++ trunk/rostests/apitests/gdi32api/gdi32api.c [iso-8859-1] Thu Jun  3 21:35:05 2010
@@ -18,6 +18,22 @@
 	return pPeb->GdiSharedHandleTable;
 }
 
+BOOL
+IsHandleValid(HGDIOBJ hobj)
+{
+    USHORT Index = (ULONG_PTR)hobj;
+    PGDI_TABLE_ENTRY pentry = &GdiHandleTable[Index];
+
+    if (pentry->KernelData == NULL ||
+        pentry->KernelData < (PVOID)0x80000000 ||
+        (USHORT)pentry->FullUnique != (USHORT)((ULONG_PTR)hobj >> 16))
+    {
+        return FALSE;
+    }
+    
+    return TRUE;
+}
+
 int APIENTRY
 WinMain(HINSTANCE hInstance,
         HINSTANCE hPrevInstance,

Modified: trunk/rostests/apitests/gdi32api/gdi32api.h
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/apitests/gdi32api/gdi32ap…
==============================================================================
--- trunk/rostests/apitests/gdi32api/gdi32api.h [iso-8859-1] (original)
+++ trunk/rostests/apitests/gdi32api/gdi32api.h [iso-8859-1] Thu Jun  3 21:35:05 2010
@@ -20,6 +20,7 @@
 
 extern HINSTANCE g_hInstance;
 extern PGDI_TABLE_ENTRY GdiHandleTable;
+BOOL IsHandleValid(HGDIOBJ hobj);
 
 #endif /* _GDITEST_H */
 

Modified: trunk/rostests/apitests/gdi32api/tests/SelectObject.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/apitests/gdi32api/tests/S…
==============================================================================
--- trunk/rostests/apitests/gdi32api/tests/SelectObject.c [iso-8859-1] (original)
+++ trunk/rostests/apitests/gdi32api/tests/SelectObject.c [iso-8859-1] Thu Jun  3 21:35:05
2010
@@ -82,6 +82,8 @@
 	DeleteObject(hOldObj);
 	RTEST((UINT_PTR)SelectObject(hDC, hNewObj) == SIMPLEREGION); // ??? Why this?
 	DeleteObject(hNewObj);
+	TEST(IsHandleValid(hNewObj) == TRUE);
+	
 	RTEST(GetLastError() == ERROR_SUCCESS);
 
 	/* Test BITMAP */