diff --git a/reactos/sdk/include/reactos/wine/test.h b/reactos/sdk/include/reactos/wine/test.h
index f164ab5ca8b..7ec400d78d3 100644
--- a/reactos/sdk/include/reactos/wine/test.h
+++ b/reactos/sdk/include/reactos/wine/test.h
@@ -70,6 +70,7 @@ extern void winetest_wait_child_process( HANDLE process );
 
 extern const char *wine_dbgstr_wn( const WCHAR *str, intptr_t n );
 extern const char *wine_dbgstr_guid( const GUID *guid );
+extern const char *wine_dbgstr_rect( const RECT *rect );
 static inline const char *wine_dbgstr_w( const WCHAR *s ) { return wine_dbgstr_wn( s, -1 ); }
 
 /* strcmpW is available for tests compiled under Wine, but not in standalone
@@ -574,6 +575,21 @@ const char *wine_dbgstr_guid( const GUID *guid )
     return res;
 }
 
+const char *wine_dbgstr_rect( const RECT *rect )
+{
+    char *res;
+
+    if (!rect) return "(null)";
+    res = get_temp_buffer( 60 );
+#ifdef __ROS_LONG64__
+    sprintf( res, "(%d,%d)-(%d,%d)", rect->left, rect->top, rect->right, rect->bottom );
+#else
+    sprintf( res, "(%ld,%ld)-(%ld,%ld)", rect->left, rect->top, rect->right, rect->bottom );
+#endif
+    release_temp_buffer( res, strlen(res) + 1 );
+    return res;
+}
+
 /* Find a test by name */
 static const struct test *find_test( const char *name )
 {