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|
;; -*- coding:utf-8 -*-
(cond-expand
(gauche (import (scheme base)
(scheme write)
(scheme read)
(gauche base)
(srfi 1)
(srfi 13)
(srfi 64)))
(chibi (import (except (scheme base)
input-port? output-port? textual-port? binary-port?
port? close-port close-input-port close-output-port
read-char peek-char read-line char-ready?
read-string read-u8 peek-u8 u8-ready?
read-bytevector read-bytevector!
write-char write-string write-u8
write-bytevector flush-output-port file-error?)
(srfi 1)
(srfi 130)
(except (chibi test) test-equal)
(rename (chibi test) (test-equal chibi:test-equal))
(srfi 181 adapter)))
)
(import (srfi 181))
(import (srfi 192))
(cond-expand
(chibi
;; adapt srfi-64 macros to (chibi test)
(define-syntax test-equal
(syntax-rules ()
((_ expect expr) (chibi:test-equal equal? expect expr))
((_ name expect expr) (chibi:test-equal equal? name expect expr))))
(define-syntax test-eqv
(syntax-rules ()
((_ expect expr) (chibi:test-equal eqv? expect expr))
((_ name expect expr) (chibi:test-equal eqv? name expect expr)))))
(else))
(test-begin "srfi-181-192-test")
(test-group
"Binary input, no port positioning"
(define data (apply bytevector
(list-tabulate 1000 (lambda (i) (modulo i 256)))))
(define pos 0)
(define closed #f)
(define p (make-custom-binary-input-port
"binary-input"
(lambda (buf start count) ; read!
(let ((size (min count (- (bytevector-length data) pos))))
(bytevector-copy! buf start data pos (+ pos size))
(set! pos (+ pos size))
size))
#f ; get-position
#f ; set-position
(lambda () (set! closed #t)))) ; close
(test-assert "port?" (port? p))
(test-assert "input-port?" (input-port? p))
(test-assert "not output port?" (not (output-port? p)))
(test-assert "not has position?" (not (port-has-port-position? p)))
(test-assert "not set position?" (not (port-has-set-port-position!? p)))
(test-eqv 0 (read-u8 p))
(test-eqv 1 (read-u8 p))
(test-eqv 2 (peek-u8 p))
(test-eqv 2 (read-u8 p))
(test-equal (bytevector-copy data 3)
(read-bytevector 997 p))
(test-equal (eof-object) (read-u8 p))
(test-assert "close" (begin (close-port p)
closed))
)
(test-group
"Binary input, port positioning"
(define data (apply bytevector
(list-tabulate 1000 (lambda (i) (modulo i 256)))))
(define pos 0)
(define saved-pos #f)
(define closed #f)
(define p (make-custom-binary-input-port
"binary-input"
(lambda (buf start count) ; read!
(let ((size (min count (- (bytevector-length data) pos))))
(bytevector-copy! buf start data pos (+ pos size))
(set! pos (+ pos size))
size))
(lambda () pos) ; get-position
(lambda (k) (set! pos k)) ; set-position
(lambda () (set! closed #t)) ;close
))
(test-assert "port?" (port? p))
(test-assert "input-port?" (input-port? p))
(test-assert "not output port?" (not (output-port? p)))
(test-assert "has position?" (port-has-port-position? p))
(test-assert "set position?" (port-has-set-port-position!? p))
(test-eqv 0 (read-u8 p))
(test-eqv 1 (read-u8 p))
(test-eqv 2 (peek-u8 p))
(set! saved-pos (port-position p))
(test-eqv 2 (read-u8 p))
(test-equal (bytevector-copy data 3)
(read-bytevector 997 p))
(test-equal (eof-object) (read-u8 p))
(set-port-position! p saved-pos)
(test-eqv 2 (read-u8 p))
(test-assert "close" (begin (close-port p)
closed))
)
(test-group
"Textual input, no port positioning"
(define data (string-tabulate (lambda (i)
(integer->char
(cond-expand
(full-unicode (+ #x3000 i))
(else (modulo i 256)))))
1000))
(define pos 0)
(define closed #f)
(define p (make-custom-textual-input-port
"textual-input"
(lambda (buf start count) ; read!
(let ((size (min count (- (string-length data) pos))))
(unless (zero? size)
(if (string? buf)
(string-copy! buf start data pos (+ pos size))
(do ((i 0 (+ i 1))
(j pos (+ j 1)))
((= i size) (set! pos j))
(vector-set! buf (+ start i) (string-ref data j)))))
size))
#f ; get-position
#f ; set-position
(lambda () (set! closed #t)); close
))
(test-assert "port?" (port? p))
(test-assert "input-port?" (input-port? p))
(test-assert "not output port?" (not (output-port? p)))
(test-assert "not has position?" (not (port-has-port-position? p)))
(test-assert "not set position?" (not (port-has-set-port-position!? p)))
(test-eqv (string-ref data 0) (read-char p))
(test-eqv (string-ref data 1) (read-char p))
(test-eqv (string-ref data 2) (peek-char p))
(test-eqv (string-ref data 2) (read-char p))
(test-equal (string-copy data 3)
(read-string 997 p))
(test-equal (eof-object) (read-char p))
(test-assert "close" (begin (close-port p)
closed))
)
(test-group
"Textual input, port positioning"
(define data (string-tabulate (lambda (i)
(integer->char
(cond-expand
(full-unicode (+ #x3000 i))
(else (modulo i 256)))))
1000))
(define pos 0)
(define saved-pos #f)
(define closed #f)
(define p (make-custom-textual-input-port
"textual-input"
(lambda (buf start count) ; read!
(list start count)
(let ((size (min count (- (string-length data) pos))))
(unless (zero? size)
(if (string? buf)
(string-copy! buf start data pos (+ pos size))
(do ((i 0 (+ i 1))
(j pos (+ j 1)))
((= i size) (set! pos j))
(vector-set! buf (+ start i) (string-ref data j)))))
size))
(lambda () pos) ; get-position
(lambda (k) (set! pos k)) ; set-position
(lambda () (set! closed #t)); close
))
(test-assert (port? p))
(test-assert (input-port? p))
(test-assert (not (output-port? p)))
(test-assert (port-has-port-position? p))
(test-assert (port-has-set-port-position!? p))
(test-eqv (string-ref data 0) (read-char p))
(test-eqv (string-ref data 1) (read-char p))
(test-eqv (string-ref data 2) (peek-char p))
(set! saved-pos (port-position p))
(test-eqv (string-ref data 2) (read-char p))
(test-eqv (string-ref data 3) (peek-char p))
(test-equal (string-copy data 3)
(read-string 997 p))
(test-equal (eof-object) (read-char p))
(set-port-position! p saved-pos)
(test-eqv (string-ref data 2) (peek-char p))
(test-assert (begin (close-port p)
closed))
)
(test-group
"Binary output, port positioning"
(define data (apply bytevector
(list-tabulate 1000 (lambda (i) (modulo i 256)))))
(define sink (make-vector 2000 #f))
(define pos 0)
(define saved-pos #f)
(define closed #f)
(define flushed #f)
(define p (make-custom-binary-output-port
"binary-output"
(lambda (buf start count) ;write!
(do ((i start (+ i 1))
(j pos (+ j 1)))
((>= i (+ start count)) (set! pos j))
(vector-set! sink j (bytevector-u8-ref buf i)))
count)
(lambda () pos) ;get-position
(lambda (k) (set! pos k)) ;set-position!
(lambda () (set! closed #t)) ; close
(lambda () (set! flushed #t)) ; flush
))
(test-assert "port?" (port? p))
(test-assert "not input-port?" (not (input-port? p)))
(test-assert "output port?" (output-port? p))
(test-assert "has position?" (port-has-port-position? p))
(test-assert "set position?" (port-has-set-port-position!? p))
(write-u8 3 p)
(write-u8 1 p)
(write-u8 4 p)
(flush-output-port p)
(test-assert "flush" flushed)
(set! saved-pos (port-position p))
(test-equal '#(3 1 4)
(vector-copy sink 0 pos))
(write-bytevector '#u8(1 5 9 2 6) p)
(flush-output-port p)
(test-equal '#(3 1 4 1 5 9 2 6)
(vector-copy sink 0 pos))
(set-port-position! p saved-pos)
(for-each (lambda (b) (write-u8 b p)) '(5 3 5))
(flush-output-port p)
(test-equal '#(3 1 4 5 3 5)
(vector-copy sink 0 pos))
(test-equal '#(3 1 4 5 3 5 2 6)
(vector-copy sink 0 (+ pos 2)))
(test-assert "close" (begin (close-port p)
closed))
)
(test-group
"Textual output, port positioning"
(define data (apply bytevector
(list-tabulate 1000 (lambda (i) (modulo i 256)))))
(define sink (make-vector 2000 #f))
(define pos 0)
(define saved-pos #f)
(define closed #f)
(define flushed #f)
(define p (make-custom-textual-output-port
"textual-output"
(lambda (buf start count) ;write!
(do ((i start (+ i 1))
(j pos (+ j 1)))
((>= i (+ start count)) (set! pos j))
(vector-set! sink j
(if (string? buf)
(string-ref buf i)
(vector-ref buf i))))
count)
(lambda () pos) ;get-position
(lambda (k) (set! pos k)) ;set-position!
(lambda () (set! closed #t)) ; close
(lambda () (set! flushed #t)) ; flush
))
(test-assert "port?" (port? p))
(test-assert "not input?" (not (input-port? p)))
(test-assert "output?" (output-port? p))
(test-assert "has position?" (port-has-port-position? p))
(test-assert "set position?" (port-has-set-port-position!? p))
(write-char #\a p)
(write-char #\b p)
(write-char #\c p)
(flush-output-port p)
(test-assert "flush" flushed)
(set! saved-pos (port-position p))
(test-equal '#(#\a #\b #\c)
(vector-copy sink 0 pos))
(write-string "Quack" p)
(flush-output-port p)
(test-equal '#(#\a #\b #\c #\Q #\u #\a #\c #\k)
(vector-copy sink 0 pos))
(set-port-position! p saved-pos)
(write-string "Cli" p)
(flush-output-port p)
(test-equal '#(#\a #\b #\c #\C #\l #\i)
(vector-copy sink 0 pos))
(test-equal '#(#\a #\b #\c #\C #\l #\i #\c #\k)
(vector-copy sink 0 (+ pos 2)))
(test-assert (begin (close-port p)
closed))
)
(test-group
"binary input/output"
(define data (apply bytevector
(list-tabulate 1000 (lambda (i) (modulo i 256)))))
(define original-size 500) ;writing may extend the size
(define pos 0)
(define saved-pos #f)
(define flushed #f)
(define closed #f)
(define p (make-custom-binary-input/output-port
"binary i/o"
(lambda (buf start count) ; read!
(let ((size (min count (- original-size pos))))
(bytevector-copy! buf start data pos (+ pos size))
(set! pos (+ pos size))
size))
(lambda (buf start count) ;write!
(let ((size (min count (- (bytevector-length data) pos))))
(bytevector-copy! data pos buf start (+ start size))
(set! pos (+ pos size))
(set! original-size (max original-size pos))
size))
(lambda () pos) ;get-position
(lambda (k) (set! pos k)) ;set-position!
(lambda () (set! closed #t)) ; close
(lambda () (set! flushed #t)) ; flush
))
(test-assert "port?" (port? p))
(test-assert "input?" (input-port? p))
(test-assert "output?" (output-port? p))
(test-assert "has position?" (port-has-port-position? p))
(test-assert "set position?" (port-has-set-port-position!? p))
(test-eqv 0 (read-u8 p))
(test-eqv 1 (read-u8 p))
(test-eqv 2 (read-u8 p))
(set! saved-pos (port-position p))
(test-equal "rest of input"
(bytevector-copy data 3 original-size)
(read-bytevector 1000 p))
(write-bytevector '#u8(255 255 255) p)
(test-equal "appended"
'#u8(255 255 255)
(bytevector-copy data 500 503))
(write-u8 254 p)
(test-equal "appended more"
'#u8(255 255 255 254)
(bytevector-copy data 500 504))
(write-u8 254 p)
(test-eqv "still eof" (eof-object) (read-u8 p))
(set-port-position! p saved-pos)
(test-eqv "rewind & peek" 3 (peek-u8 p))
;; TODO: We have to keep track of port position and peek. Needs modification
;; in the core port code. For now, this is a known bug.
;; (write-u8 100 p)
;; (set-port-position! p saved-pos)
;; (test-eqv "overwritten" 100 (read-u8 p))
;; (test-eqv "overwritten" 4 (read-u8 p))
)
(test-group
"file-error"
(test-assert "file-error" (file-error? (make-file-error "bad"))))
(test-group
"i/o-invalid-position-error"
(test-assert "i/o-invalid-position-error"
(i/o-invalid-position-error?
(make-i/o-invalid-position-error 0))))
(test-group
"high-level i/o"
(define source
(let ((orig "((a b c . d)
(a . (b . (c . (d . ()))))
#(a b c d)
(#\\a #\\b #\\c #\\d #\\x07 #\\) #\\#)
\"abcd\"
#t #f #true #false
|a\\x07;bcd|
;;comment
#u8(1 2 3 4 5)
#0=(a) #0#
1 1.111 3e5 #xff #b-0101 -5/3+3.9i +inf.0 +nan.0
)"))
(string-append orig "\n" orig "\n;end of input")))
(define data (read (open-input-string source)))
(define source-pos 0)
(define sink (open-output-string))
(define inp (make-custom-textual-input-port
"textual-input"
(lambda (buf start count) ;read!
(let ((size (min count (- (string-length source) source-pos))))
(unless (zero? size)
(if (string? buf)
(string-copy! buf start source
source-pos (+ source-pos count))
(do ((i 0 (+ i 1))
(j source-pos (+ j 1)))
((= i size) (set! source-pos j))
(vector-set! buf (+ start i) (string-ref source j)))))
size))
#f #f #f))
(define outp (make-custom-textual-output-port
"textual-output"
(lambda (buf start count) ;write!
(do ((i start (+ i 1)))
((>= i (+ start count)))
(write-char (if (string? buf)
(string-ref buf i)
(vector-ref buf i))
sink))
count)
#f #f #f))
(let ((expr1 (read inp)))
(test-equal "read first expr" data expr1)
(write expr1 outp))
(let ((expr2 (read inp)))
(test-equal "read second expr" data expr2)
(write expr2 outp))
(test-assert "finishing" (eof-object? (read inp)))
(let ((p (open-input-string (get-output-string sink))))
(test-equal "written expr 1" data (read p))
(test-equal "written expr 2" data (read p)))
)
;;
;; For Gauche - comprehensive transcoder tests are done in gauche.charconv.
;; The reference implementation test assumes the native encoding is ascii,
;; so we skip such tests.
;;
(test-group
"transcoded input"
;; This test assumes native transcoder supports ascii range
(test-equal "native" "ABCD"
(bytevector->string '#u8(#x41 #x42 #x43 #x44)
(native-transcoder)))
'(test-equal "latin1 -> ascii" "ABC???XYZ???"
(bytevector->string '#u8(#x41 #x42 #x43 #xa1 #xa2 #xa3
#x58 #x59 #x5a #xc1 #xc2 #xc3)
(make-transcoder (latin-1-codec)
(native-eol-style)
'replace)))
'(test-assert "latin1 raise"
(guard (e ((i/o-decoding-error? e)))
(bytevector->string '#u8(#xc1)
(make-transcoder (latin-1-codec)
(native-eol-style)
'raise))
#f))
'(test-equal "utf-16 (bom, be) -> ascii" "AB??CD"
(bytevector->string '#u8(#xfe #xff #x00 #x41 #x00 #x42
#x30 #x00 #x00 #xc1 #x00 #x43 #x00 #x44)
(make-transcoder (utf-16-codec)
(native-eol-style)
'replace)))
'(test-equal "utf-16 (bom, le) -> ascii" "AB??CD"
(bytevector->string '#u8(#xff #xfe #x41 #x00 #x42 #x00
#x00 #x30 #xc1 #x00 #x43 #x00 #x44 #x00)
(make-transcoder (utf-16-codec)
(native-eol-style)
'replace)))
'(test-equal "utf-16 (native) -> ascii" "AB??CD"
(bytevector->string
(if (equal? (bytevector->string '#u8(#x00 #x41)
(make-transcoder (utf-16-codec)
(native-eol-style)
'replace))
"A")
'#u8(#x00 #x41 #x00 #x42 #x30 #x00 #x00 #xc1 #x00 #x43 #x00 #x44)
'#u8(#x41 #x00 #x42 #x00 #x00 #x30 #xc1 #x00 #x43 #x00 #x44 #x00))
(make-transcoder (utf-16-codec)
(native-eol-style)
'replace)))
(test-equal "eol-style none, lf, crlf" '("A\nB\rC\r\nD"
"A\nB\nC\nD"
"A\nB\nC\nD")
(map
(lambda (style)
(bytevector->string #u8(#x41 #x0a #x42 #x0d #x43 #x0d #x0a #x44)
(make-transcoder (latin-1-codec)
style
'raise)))
'(none lf crlf)))
)
(test-group
"transcoded output"
;; This test assumes native transcoder supports ascii range
(test-equal "native" '#u8(#x41 #x42 #x43 #x44)
(string->bytevector "ABCD"
(native-transcoder)))
(test-equal "ascii -> latin1" #u8(#x41 #x42 #x43 #x44)
(string->bytevector "ABCD"
(make-transcoder (latin-1-codec)
(native-eol-style)
'raise)))
(test-equal "ascii -> utf-16" #f
(not
(member
(string->bytevector "ABCD"
(make-transcoder (utf-16-codec)
(native-eol-style)
'raise))
'(#u8(#x00 #x41 #x00 #x42 #x00 #x43 #x00 #x44)
#u8(#x41 #x00 #x42 #x00 #x43 #x00 #x44 #x00)
#u8(#xfe #xff #x00 #x41 #x00 #x42 #x00 #x43 #x00 #x44)
#u8(#xff #xfe #x41 #x00 #x42 #x00 #x43 #x00 #x44 #x00)))))
(test-equal "eol-style none, lf, crlf"
'(#u8(#x41 #x0a #x42 #x0d #x43 #x0d #x0a #x44 #x0d #x0d #x0a)
#u8(#x41 #x0a #x42 #x0a #x43 #x0a #x44 #x0a #x0a)
#u8(#x41 #x0d #x0a #x42 #x0d #x0a #x43 #x0d #x0a #x44 #x0d #x0a #x0d #x0a))
(map
(lambda (style)
(string->bytevector "A\nB\rC\r\nD\r\r\n"
(make-transcoder (latin-1-codec)
style
'raise)))
'(none lf crlf)))
)
(test-end "srfi-181-192-test")
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