racket/collects/tests/unstable/port.rkt
2010-06-06 20:31:21 -04:00

44 lines
1.6 KiB
Racket

#lang racket
(require rackunit rackunit/text-ui unstable/port "helpers.rkt")
(run-tests
(test-suite "port.ss"
(test-suite "read-all"
(test-ok (check-equal? (read-all read (open-input-string "1 2 3"))
(list 1 2 3)))
(test-ok (check-equal?
(parameterize ([current-input-port
(open-input-string "1 2 3")])
(read-all))
(list 1 2 3))))
(test-suite "read-all-syntax"
(test-ok (check-equal?
(syntax->datum
(read-all-syntax read-syntax (open-input-string "1 2 3")))
(list 1 2 3)))
(test-ok (check-equal?
(syntax->datum
(parameterize ([current-input-port
(open-input-string "1 2 3")])
(read-all-syntax)))
(list 1 2 3))))
(test-suite "port->srcloc"
(test-ok (define port (open-input-string "\n x "))
(port-count-lines! port)
(check-equal? (port->srcloc port)
(make-srcloc 'string 1 0 1 0))
(read port)
(check-equal? (port->srcloc port 'here 1)
(make-srcloc 'here 2 2 4 1))))
(test-suite "read-available-bytes"
(test-ok (define-values [in out] (make-pipe))
(check-equal? (read-available-bytes in) #"")
(write-byte (char->integer #\c) out)
(check-equal? (read-available-bytes in) #"c")
(close-output-port out)
(check-equal? (read-available-bytes in) eof)))))