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;;;; -*- Mode: lisp; indent-tabs-mode: nil -*-
;;;
;;; fsbv.lisp --- Tests of foreign structure by value calls.
;;;
;;; Copyright (C) 2011, Liam M. Healy
;;;
;;; Permission is hereby granted, free of charge, to any person
;;; obtaining a copy of this software and associated documentation
;;; files (the "Software"), to deal in the Software without
;;; restriction, including without limitation the rights to use, copy,
;;; modify, merge, publish, distribute, sublicense, and/or sell copies
;;; of the Software, and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be
;;; included in all copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
;;; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;;; DEALINGS IN THE SOFTWARE.
;;;
(in-package #:cffi-tests)
;; Requires struct.lisp
(defcfun "sumpair" :int
(p (:struct struct-pair)))
(defcfun "makepair" (:struct struct-pair)
(condition :bool))
(defcfun "doublepair" (:struct struct-pair)
(p (:struct struct-pair)))
(defcfun "prodsumpair" :double
(p (:struct struct-pair+double)))
(defcfun "doublepairdouble" (:struct struct-pair+double)
(p (:struct struct-pair+double)))
;;; Call struct by value
(deftest fsbv.1
(sumpair '(1 . 2))
3)
;;; See lp#1528719
(deftest (fsbv.wfo :expected-to-fail t)
(with-foreign-object (arg '(:struct struct-pair))
(convert-into-foreign-memory '(40 . 2) '(:struct struct-pair) arg)
(sumpair arg))
42)
;;; Call and return struct by value
(deftest fsbv.2
(doublepair '(1 . 2))
(2 . 4))
;;; return struct by value
(deftest (fsbv.makepair.1 :expected-to-fail t)
(makepair nil)
(-127 . 43))
(deftest (fsbv.makepair.2 :expected-to-fail t)
(makepair t)
(-127 . 42))
;;; Call recursive structure by value
(deftest fsbv.3
(prodsumpair '(pr (a 4 b 5) dbl 2.5d0))
22.5d0)
;;; Call and return recursive structure by value
(deftest fsbv.4
(let ((ans (doublepairdouble '(pr (a 4 b 5) dbl 2.5d0))))
(values (getf (getf ans 'pr) 'a)
(getf (getf ans 'pr) 'b)
(getf ans 'dbl)))
8
10
5.0d0)
(defcstruct (struct-with-array :size 6)
(s1 (:array :char 6)))
(defcfun "zork" :void
(p (:struct struct-with-array)))
;;; Typedef fsbv test
(defcfun ("sumpair" sumpair2) :int
(p struct-pair-typedef1))
(deftest fsbv.5
(sumpair2 '(1 . 2))
3)
(defcfun "returnpairpointer" (:pointer (:struct struct-pair))
(ignored (:struct struct-pair)))
(deftest fsbv.return-a-pointer
(let ((ptr (returnpairpointer '(1 . 2))))
(+ (foreign-slot-value ptr '(:struct struct-pair) 'a)
(foreign-slot-value ptr '(:struct struct-pair) 'b)))
42)
;;; Test ulonglong on no-long-long implementations.
(defcfun "ullsum" :unsigned-long-long
(a :unsigned-long-long) (b :unsigned-long-long))
(deftest fsbv.6
(ullsum #x10DEADBEEF #x2300000000)
#x33DEADBEEF)
;;; Combine structures by value with a string argument
(defcfun "stringlenpair" (:struct struct-pair)
(s :string)
(p (:struct struct-pair)))
(deftest fsbv.7
(stringlenpair "abc" '(1 . 2))
(3 . 6))
;;; Combine structures by value with an enum argument
(defcfun "enumpair" (:int)
(e numeros)
(p (:struct struct-pair)))
(deftest fsbv.8
(enumpair :two '(1 . 2))
5)
;;; returning struct with bitfield member (bug #1474631)
(defbitfield (struct-bitfield :unsigned-int)
(:a 1)
(:b 2))
(defcstruct bitfield-struct
(b struct-bitfield))
(defcfun "structbitfield" (:struct bitfield-struct)
(x :unsigned-int))
(defctype struct-bitfield-typedef struct-bitfield)
(defcstruct bitfield-struct.2
(b struct-bitfield-typedef))
(defcfun ("structbitfield" structbitfield.2) (:struct bitfield-struct.2)
(x :unsigned-int))
;; these would get stuck in an infinite loop previously
(deftest fsbv.struct-bitfield.0
(structbitfield 0)
(b nil))
(deftest fsbv.struct-bitfield.1
(structbitfield 1)
(b (:a)))
(deftest fsbv.struct-bitfield.2
(structbitfield 2)
(b (:b)))
(deftest fsbv.struct-bitfield.3
(structbitfield.2 2)
(b (:b)))
;;; Test for a discrepancy between normal and fsbv return values
(cffi:define-foreign-type int-return-code (cffi::foreign-type-alias)
()
(:default-initargs :actual-type (cffi::parse-type :int))
(:simple-parser int-return-code))
(defmethod cffi:expand-from-foreign (value (type int-return-code))
;; NOTE: strictly speaking it should be
;; (cffi:convert-from-foreign ,value :int), but it's irrelevant in this case
`(let ((return-code ,value))
(check-type return-code integer)
return-code))
(defcfun (noargs-with-typedef "noargs") int-return-code)
(deftest fsbv.noargs-with-typedef ; for reference, not an FSBV call
(noargs-with-typedef)
42)
(defcfun (sumpair-with-typedef "sumpair") int-return-code
(p (:struct struct-pair)))
(deftest (fsbv.return-value-typedef)
(sumpair-with-typedef '(40 . 2))
42)
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