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(truncate-file): New tests.

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This commit is contained in:
Kevin Ryde 2006-04-16 01:39:08 +00:00
parent c783f5891a
commit da58419409
1 changed files with 36 additions and 0 deletions
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36
test-suite/tests/ports.test
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@ -538,6 +538,42 @@
(while (not (eof-object? (read-char port))))
(= 8 (port-column port))))))
;;;
;;; truncate-file
;;;
(with-test-prefix "truncate-file"
(with-test-prefix "filename"
(pass-if "shorten"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(truncate-file (test-file) 1)
(eqv? 1 (stat:size (stat (test-file))))))
(with-test-prefix "file descriptor"
(pass-if "shorten"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(let ((fd (open-fdes (test-file) O_RDWR)))
(truncate-file fd 1)
(close-fdes fd))
(eqv? 1 (stat:size (stat (test-file))))))
(with-test-prefix "file port"
(pass-if "shorten"
(call-with-output-file (test-file)
(lambda (port)
(display "hello" port)))
(let ((port (open-file (test-file) "r+")))
(truncate-file port 1))
(eqv? 1 (stat:size (stat (test-file)))))))
;;;; testing read-delimited and friends