mirror of
https://github.com/ashinn/chibi-scheme.git
synced 2025-05-19 13:49:17 +02:00
56 lines
1.5 KiB
Scheme
56 lines
1.5 KiB
Scheme
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(cond-expand
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(modules (import (chibi io) (only (chibi test) test-begin test test-end)))
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(else #f))
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(test-begin "io")
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(define long-string (make-string 2000 #\a))
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(test "input-string-port" 1025
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(call-with-input-string (substring long-string 0 1025)
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(lambda (in)
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(let loop ((c (read-char in)) (i 0))
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(cond ((eof-object? c) i)
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((> i 1025) (error "read past eof"))
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(else (loop (read-char in) (+ i 1))))))))
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(test "read-line" '("abc" "def")
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(call-with-input-string "abc\ndef\n"
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(lambda (in) (let ((line (read-line in))) (list line (read-line in))))))
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(test "read-line-to-eof" '("abc" "def")
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(call-with-input-string "abc\ndef"
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(lambda (in) (let ((line (read-line in))) (list line (read-line in))))))
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(test "null-output-port" #t
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(let ((out (make-null-output-port)))
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(write 1 out)
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(close-output-port out)
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#t))
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(test "null-input-port" #t
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(let ((in (make-null-input-port)))
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(let ((res (eof-object? (read-char in))))
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(close-input-port in)
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res)))
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(define (string-upcase str)
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(list->string (map char-upcase (string->list str))))
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(test "upcase-input-port" "ABC"
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(call-with-input-string "abc"
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(lambda (in)
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(let ((in (make-filtered-input-port string-upcase in)))
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(let ((res (read-line in)))
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(close-input-port in)
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res)))))
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(test "upcase-output-port" "ABC"
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(call-with-output-string
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(lambda (out)
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(let ((out (make-filtered-output-port string-upcase out)))
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(display "abc" out)
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(close-output-port out)))))
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(test-end)
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