foreign-c/tests/addressof.scm

102 lines
2.7 KiB
Scheme

(import (scheme base)
(scheme write)
(scheme char)
(scheme file)
(scheme process-context)
(foreign c))
;; util
(define header-count 1)
(define print-header
(lambda (title)
(set-tag title)
(display "=========================================")
(newline)
(display header-count)
(display " ")
(display title)
(newline)
(display "=========================================")
(newline)
(set! header-count (+ header-count 1))))
(define count 0)
(define assert-tag 'none)
(define set-tag
(lambda (tag)
(set! assert-tag tag)
(set! count 0)))
(cond-expand
(gambit
(define assert
(lambda (check value-a value-b)
(let ((result (apply check (list value-a value-b))))
(set! count (+ count 1))
(if (not result) (display "FAIL ") (display "PASS "))
(display "[")
(display assert-tag)
(display " - ")
(display count)
(display "]")
(display ": ")
(write (list 'check 'value-a 'value-b))
(newline)
(when (not result) (exit 1))))))
(else
(define-syntax assert
(syntax-rules ()
((_ check value-a value-b)
(let ((result (apply check (list value-a value-b))))
(set! count (+ count 1))
(if (not result) (display "FAIL ") (display "PASS "))
(display "[")
(display assert-tag)
(display " - ")
(display count)
(display "]")
(display ": ")
(write (list 'check 'value-a 'value-b))
(newline)
(when (not result) (exit 1))))))))
(define-syntax debug
(syntax-rules ()
((_ value)
(begin
(display 'value)
(display ": ")
(write value)
(newline)))))
;; call-with-address-of-c-bytevector
(define-c-library c-testlib
'("libtest.h")
"test"
'((additional-paths ("." "./tests"))))
(print-header 'call-with-address-of-c-bytevector)
(define-c-procedure test-passing-pointer-address
c-testlib
'test_passing_pointer_address
'int
'(pointer pointer))
(define input-pointer (make-c-bytevector (c-size-of 'int)))
(c-bytevector-s32-native-set! input-pointer 0 100)
(assert equal? (= (c-bytevector-s32-native-ref input-pointer 0) 100) #t)
(debug (c-bytevector-s32-native-ref input-pointer 0))
(debug input-pointer)
(call-with-address-of-c-bytevector
input-pointer
(lambda (address)
(test-passing-pointer-address input-pointer address)))
(debug input-pointer)
(debug (c-bytevector-s32-native-ref input-pointer 0))
(assert equal? (= (c-bytevector-s32-native-ref input-pointer 0) 42) #t)