racket/collects/tests/drscheme/io.ss
2005-05-27 18:56:37 +00:00

173 lines
7.1 KiB
Scheme

#|
add this test:
(let ()
(display "x")
(write-special (make-object string-snip% " in: "))
(display "y")
(flush-output))
|#
(module io mzscheme
(require "drscheme-test-util.ss"
(lib "gui.ss" "tests" "utils")
(lib "class.ss")
(lib "list.ss")
(lib "pretty.ss")
(lib "mred.ss" "mred")
(lib "framework.ss" "framework")
(lib "text-string-style-desc.ss" "mrlib")
(prefix fw: (lib "framework.ss" "framework")))
(provide run-test)
(define (output-err-port-checking)
(define (check-output expression expected)
(begin
(clear-definitions drs-frame)
(type-in-definitions drs-frame expression)
(do-execute drs-frame)
(let* ([text (send drs-frame get-interactions-text)]
[got (get-string/style-desc text (send text paragraph-start-position 2))])
(unless (andmap (λ (exp got)
(and (string=? (car exp) (car got))
(or (equal? (cadr exp) (cadr got))
(and (procedure? (cadr exp))
((cadr exp) (cadr got))))))
expected
got)
(error 'io.ss "expected ~s, got ~s for ~s" expected got expression)))))
(define (output-style x) (equal? (list-ref x 9) '(150 0 150)))
(define (error-style x) (equal? (list-ref x 9) '(255 0 0)))
(define prompt '("\n> " default-color))
(check-output "(display 1)" (list (list "1" output-style) prompt))
(check-output "(display 1 (current-output-port))" (list (list "1" output-style) prompt))
(check-output "(display 1 (current-error-port))" (list (list "1" error-style) prompt))
(check-output "(display 1) (display 1 (current-error-port))"
(list (list "1" output-style)
(list "1" error-style)
prompt))
(check-output "(display 1 (current-error-port)) (display 1)"
(list (list "1" error-style)
(list "1" output-style)
prompt))
(check-output "(display 1) (display 1 (current-error-port)) (display 1)"
(list (list "1" output-style)
(list "1" error-style)
(list "1" output-style)
prompt))
(check-output "(display 1 (current-error-port)) (display 1) (display 1 (current-error-port))"
(list (list "1" error-style)
(list "1" output-style)
(list "1" error-style)
prompt))
(check-output "(let ([s (make-semaphore)]) (thread (lambda () (display 1) (semaphore-post s))) (semaphore-wait s))"
(list (list "1" output-style)
prompt))
(check-output
"(let ([s (make-semaphore)]) (thread (lambda () (display 1 (current-output-port)) (semaphore-post s))) (semaphore-wait s))"
(list (list "1" output-style)
prompt))
(check-output
"(let ([s (make-semaphore)]) (thread (lambda () (display 1 (current-error-port)) (semaphore-post s))) (semaphore-wait s))"
(list (list "1" error-style)
prompt)))
(define (long-io/execute-test)
(let ([string-port (open-output-string)])
(pretty-print
(let f ([n 7] [p null]) (if (= n 0) p (list (f (- n 1) (cons 'l p)) (f (- n 1) (cons 'r p)))))
string-port)
(clear-definitions drs-frame)
(type-in-definitions
drs-frame
"(let f ([n 7] [p null]) (if (= n 0) p (list (f (- n 1) (cons 'l p)) (f (- n 1) (cons 'r p)))))")
(do-execute drs-frame)
(let ([got-output (fetch-output drs-frame)])
(clear-definitions drs-frame)
(do-execute drs-frame)
(unless (equal? "" (fetch-output drs-frame))
(error 'io.ss "failed long io / execute test (extra io)"))
(unless (whitespace-string=?
(get-output-string string-port)
got-output)
(error 'io.ss "failed long io / execute test (output doesn't match)")))))
(define (reading-test)
(define (do-input-test program input expected-transcript)
(do-execute drs-frame)
(type-in-interactions drs-frame program)
(let ([before-newline-pos (send interactions-text last-position)])
(type-in-interactions drs-frame (string #\newline))
(wait (λ ()
;; the focus moves to the input box, so wait for that.
(send interactions-text get-focus-snip))
"input box didn't appear")
(type-string input)
(wait-for-computation drs-frame)
(let ([got-value
(fetch-output drs-frame
(send interactions-text paragraph-start-position 3) ;; start after test expression
(send interactions-text paragraph-end-position
(- (send interactions-text last-paragraph) 1)))])
(unless (equal? got-value expected-transcript)
(printf "FAILED: expected: ~s~n got: ~s~n program: ~s~n input: ~s~n"
expected-transcript got-value program input)))))
(clear-definitions drs-frame)
(do-input-test "(read-char)" "a\n" "a\n#\\a")
(do-input-test "(read-char)" "λ\n" "λ\n#\\λ")
(do-input-test "(read-line)" "abcdef\n" "abcdef\n\"abcdef\"")
(do-input-test "(list (read-char) (read-line))" "abcdef\n" "abcdef\n(#\\a \"bcdef\")")
(do-input-test "(read)" "a\n" "a\na")
(do-input-test "(list (read) (read))" "a a\n" "a a\n(a a)")
(do-input-test "(list (read-char) (read))" "aa\n" "aa\n(#\\a a)")
(do-input-test "(begin (read-char) (sleep 1) (read-char))" "ab\ncd\n" "ab\ncd\n#\\b")
(do-input-test "(list (read) (sleep 1) (read) (read))" "a b\nc d\n" "a b\nc d\n(a #<void> b c)")
(do-input-test "(begin (display 1) (read))" "2\n" "12\n2\n") ;; why an extra newline?!
(do-input-test "(read-line)" "\n" "\n\"\"")
(do-input-test "(read-char)" "\n" "\n#\\newline")
(do-input-test "(list (read) (printf \"1~n\") (read) (printf \"3~n\"))"
"0 2\n"
"0 2\n1\n3\n(0 #<void> 2 #<void>)")
(do-input-test "(write (read))"
"()\n"
"()\n()")
(do-input-test "(begin (write (read)) (write (read)))"
"(1)\n(2)\n"
"(1)\n(1)(2)\n(2)")
(do-input-test
(string-append "(let ([b (read-byte)][bs0 (bytes 0)][bs1 (bytes 1)][bs2 (bytes 2)])"
"(read-bytes-avail!* bs0)"
"(read-bytes-avail!* bs1)"
"(read-bytes-avail!* bs2)"
"(list b bs0 bs1 bs2))\n")
"ab\n"
"ab\n(97 #\"b\" #\"\\n\" #\"\\2\")"))
(define drs-frame (wait-for-drscheme-frame))
(define interactions-text (send drs-frame get-interactions-text))
(set-language-level! (list "PLT" (regexp "Textual")))
(define (run-test)
;(long-io/execute-test)
;(output-err-port-checking)
(reading-test)
))