;;  Filename : test-string-null.scm
;;  About    : unit test for strings that contain NUL character
;;
;;  Copyright (C) 2005-2006 Kazuki Ohta <mover AT hct.zaq.ne.jp>
;;  Copyright (c) 2007-2008 SigScheme Project <uim-en AT googlegroups.com>
;;
;;  All rights reserved.
;;
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;;  modification, are permitted provided that the following conditions
;;  are met:
;;
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(require-extension (unittest))

(define tn test-name)

(if (and (provided? "sigscheme")
         (not (provided? "null-capable-string")))
    (test-skip "null character in a middle of string is not enabled"))

;; R6RS(SRFI-75) compliant
(tn "R6RS escape sequence")
(assert-equal? (tn) (integer->string 0)         "\x00")  ;; 0
(assert-equal? (tn) (list->string '(#\nul))     "\x00")  ;; 0
(assert-equal? (tn) '(#\nul)  (string->list    "\x00"))  ;; 0

;; raw control chars
(tn "raw control char in string literal")
(assert-equal? (tn) (integer->string   0) " ")  ;; 0

;; escaped raw control chars
(tn "escaped raw control char in string literal")
;;(assert-parse-error (tn) "\"\\ \"")  ;; 0  ;; cannot read by string port


(total-report)