+(uffi:def-struct fvar-struct
+ (i :int)
+ (d :double))
+
+(uffi:def-foreign-var ("fvar_struct" *fvar-struct*) fvar-struct
+ "uffi_tests")
+
+(uffi:def-function ("fvar_struct_int" fvar-struct-int)
+ ()
+ :returning :int
+ :module "uffi_tests")
+
+ (uffi:def-function ("fvar_struct_double" fvar-struct-double)
+ ()
+ :returning :double
+ :module "uffi_tests")
+
+(deftest :fvarst.1 *fvar-addend* 3)
+(deftest :fvarst.2 (uffi:get-slot-value *fvar-struct* 'fvar-struct 'i) 42)
+(deftest :fvarst.3 (= (+ *fvar-addend*
+ (uffi:get-slot-value *fvar-struct* 'fvar-struct 'i))
+ (fvar-struct-int))
+ t)
+(deftest :fvarst.4 (uffi:get-slot-value *fvar-struct* 'fvar-struct 'd) 3.2d0)
+(deftest :fvarst.5 (= (uffi:get-slot-value *fvar-struct* 'fvar-struct 'd)
+ (fvar-struct-double))
+ t)
+
+(deftest :fvarst.6
+ (let ((orig *fvar-addend*))
+ (incf *fvar-addend* 3)
+ (prog1
+ *fvar-addend*
+ (setf *fvar-addend* orig)))
+ 6)
+
+(deftest :fvarst.7
+ (let ((orig *fvar-addend*))
+ (incf *fvar-addend* 3)
+ (prog1
+ (fvar-struct-int)
+ (setf *fvar-addend* orig)))
+ 48)
+
+(deftest :fvarst.8
+ (let ((orig (uffi:get-slot-value *fvar-struct* 'fvar-struct 'i)))
+ (decf (uffi:get-slot-value *fvar-struct* 'fvar-struct 'i) 10)
+ (prog1
+ (fvar-struct-int)
+ (setf (uffi:get-slot-value *fvar-struct* 'fvar-struct 'i) orig)))
+ 35)