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; Part of Scheme 48 1.9. See file COPYING for notices and license.
; Authors: Harald Glab-Plhak, Marcus Crestani
;; test for the new ffi
(define-test-suite ffi-misc-tests)
(define-test-case ffi-call-scheme-test ffi-misc-tests
(check
(let ((result (ffi-call-scheme (lambda args
(apply + args))
3 4 5 6)))
result)
=> 15))
(define-test-case ffi-call-scheme-assertion ffi-misc-tests
(call-with-current-continuation
(lambda (esc)
(with-exception-handler
(lambda (c)
(esc
(call-with-values
(lambda () (decode-condition c))
(lambda (type who message more-stuff)
(check type => 'assertion-violation)
(check who => 'ffi)))))
(lambda ()
(ffi-call-scheme
(lambda (ignore-1 ignore-2 ignore-3)
(assertion-violation 'ffi "Testing if exceptions from externally called Scheme code work.")
'ignore)
3 esc 2 3)
(check #f => 'should-never-reach-this-point))))))
(define-test-case ffi-values-test ffi-misc-tests
(check
(let ((value (ffi-make-strange-value 10 "LolliPop")))
(let ((result(ffi-strange-value->list value)))
(ffi-strange-value-free value)
result))
=> '(10 . "LolliPop")))
(define-test-case ffi-weak-pointer ffi-misc-tests
(let ((w (make-weak-pointer (cons 23 42))))
(check (equal? (cons 23 42) (weak-pointer-ref w)))
(collect)
(check (not (weak-pointer-ref w)))))
(define-test-case ffi-weak-pointer-2 ffi-misc-tests
(let ((w (ffi-make-weak-pointer (cons 23 42))))
(check (ffi-weak-pointer? w))
(check (equal? (cons 23 42) (ffi-weak-pointer-ref w)))
(collect)
(check (not (ffi-weak-pointer-ref w)))))
(define-test-case ffi-strings-test ffi-misc-tests
(let ((string "Gre"))
(let ((latin-1 (ffi-check-string-latin-1 string))
(utf-8 (ffi-check-string-utf-8 string)))
(check (eq? (byte-vector-ref latin-1 2) 252))
(check (eq? (byte-vector-ref latin-1 3) 223))
(check (eq? (byte-vector-ref utf-8 3) 188))
(check (eq? (byte-vector-ref utf-8 5) 159)))))
(define-test-case ffi-extract-byte-vector-test ffi-misc-tests
(let ((bv (make-byte-vector 10 97)))
(check (ffi-extract-byte-vector bv))))
(define-test-case ffi-extract-byte-vector-test-readonly ffi-misc-tests
(let ((bv (make-byte-vector 10 97)))
(check (ffi-extract-byte-vector-readonly bv))
(check (byte-vector-ref bv 4) => 97)
(check (byte-vector-ref bv 8) => 97)))
(define-test-case ffi-extract-and-modify-byte-vector-test ffi-misc-tests
(let ((bv (make-byte-vector 10 97)))
(check (ffi-extract-and-modify-byte-vector bv))
(check (eq? (byte-vector-ref bv 5) 53))))
(define-test-case ffi-extract-twice-and-modify-byte-vector-test ffi-misc-tests
(let ((bv (make-byte-vector 10 97)))
(check (ffi-extract-twice-and-modify-byte-vector bv))
(check (eq? (byte-vector-ref bv 4) 52))
(check (eq? (byte-vector-ref bv 8) 56))))
(define (maybe-make-unmovable-byte-vector count init)
(call-with-current-continuation
(lambda (esc)
(with-exception-handler
(lambda (c)
(esc
(call-with-values
(lambda () (decode-condition c))
(lambda (type who message more-stuff)
(check type => 'assertion-violation)
(check who => 'make-unmovable-byte-vector)
(check message => "unimplemented instruction")
(newline)
(display "Warning: Unmovable byte vectors are not supported by the GC.")(newline)
(display " Using a regular byte vector for this test.")(newline)
(make-byte-vector count init)))))
(lambda ()
(make-unmovable-byte-vector count init))))))
(define-test-case ffi-extract-unmovable-byte-vector-test ffi-misc-tests
(let ((bv (maybe-make-unmovable-byte-vector 10 97)))
(check (ffi-extract-byte-vector bv))))
(define-test-case ffi-extract-and-modify-unmovable-byte-vector-test ffi-misc-tests
(let ((bv (maybe-make-unmovable-byte-vector 10 97)))
(check (ffi-extract-and-modify-byte-vector bv))
(check (eq? (byte-vector-ref bv 5) 53))))
(define-test-case ffi-extract-twice-and-modify-unmovable-byte-vector-test ffi-misc-tests
(let ((bv (maybe-make-unmovable-byte-vector 10 97)))
(check (ffi-extract-twice-and-modify-byte-vector bv))
(check (eq? (byte-vector-ref bv 4) 52))
(check (eq? (byte-vector-ref bv 8) 56))))
(define-test-case ffi-extract-byte-vector-and-call-scheme-test ffi-misc-tests
(let* ((bv (make-byte-vector 10 97))
(callback (lambda ()
(check (byte-vector-ref bv 4) => 52)
(check (byte-vector-ref bv 8) => 56)
(byte-vector-set! bv 4 98)
(byte-vector-set! bv 8 98))))
(check (ffi-extract-byte-vector-and-call-scheme bv callback))
(check (byte-vector-ref bv 4) => 56)
(check (byte-vector-ref bv 8) => 52)))
(define-test-case ffi-extract-byte-vector-assertion-test ffi-misc-tests
(let ((bv (make-byte-vector 10 97)))
(call-with-current-continuation
(lambda (esc)
(with-exception-handler
(lambda (c)
(esc
(call-with-values
(lambda () (decode-condition c))
(lambda (type who message more-stuff)
(check type => 'assertion-violation)
(check who => "ffi_extract_byte_vector_assertion")
(check message => "throw back to Scheme")
(check (byte-vector-ref bv 4) => 52)
(check (byte-vector-ref bv 8) => 56)
(let ((thrown-bv (car more-stuff)))
(check (byte-vector-ref thrown-bv 4) => 52)
(check (byte-vector-ref thrown-bv 8) => 56))
(byte-vector-set! bv 4 98)
(byte-vector-set! bv 8 98)))))
(lambda ()
(ffi-extract-byte-vector-assertion bv)
(check #f => 'should-never-reach-this-point)))))))
(define-test-case ffi-extract-unmovable-byte-vector-and-call-scheme-test ffi-misc-tests
(let* ((bv (maybe-make-unmovable-byte-vector 10 97))
(callback (lambda ()
(check (byte-vector-ref bv 4) => 52)
(check (byte-vector-ref bv 8) => 56)
(byte-vector-set! bv 4 98)
(byte-vector-set! bv 8 98))))
(check (ffi-extract-byte-vector-and-call-scheme bv callback))
(check (byte-vector-ref bv 4) => 56)
(check (byte-vector-ref bv 8) => 52)))
(define-test-case ffi-extract-unmovable-byte-vector-assertion-test ffi-misc-tests
(let ((bv (maybe-make-unmovable-byte-vector 10 97)))
(call-with-current-continuation
(lambda (esc)
(with-exception-handler
(lambda (c)
(esc
(call-with-values
(lambda () (decode-condition c))
(lambda (type who message more-stuff)
(check type => 'assertion-violation)
(check who => "ffi_extract_byte_vector_assertion")
(check message => "throw back to Scheme")
(check (byte-vector-ref bv 4) => 52)
(check (byte-vector-ref bv 8) => 56)
(let ((thrown-bv (car more-stuff)))
(check (byte-vector-ref thrown-bv 4) => 52)
(check (byte-vector-ref thrown-bv 8) => 56))
(byte-vector-set! bv 4 98)
(byte-vector-set! bv 8 98)))))
(lambda ()
(ffi-extract-byte-vector-assertion bv)
(check #f => 'should-never-reach-this-point)))))))
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