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;;;; strings.test --- test suite for Guile's string functions -*- mode: scheme; coding: utf-8 -*-
;;;;
;;;; Copyright (C) 2009 Free Software Foundation, Inc.
;;;;
;;;; This program is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation; either version 2, or (at your option)
;;;; any later version.
;;;;
;;;; This program is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;;; GNU General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU General Public License
;;;; along with this software; see the file COPYING. If not, write to
;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;;;; Boston, MA 02110-1301 USA
(define-module (test-strings)
#:use-module (test-suite lib)
#:use-module (srfi srfi-1))
(define exception:conversion
(cons 'misc-error "^cannot convert to output locale"))
;; Create a string from integer char values, eg. (string-ints 65) => "A"
(define (string-ints . args)
(apply string (map integer->char args)))
(define oldlocale #f)
(if (defined? 'setlocale)
(set! oldlocale (setlocale LC_ALL "")))
(define ascii-a (integer->char 65)) ; LATIN CAPITAL LETTER A
(define a-acute (integer->char #x00c1)) ; LATIN CAPITAL LETTER A WITH ACUTE
(define alpha (integer->char #x03b1)) ; GREEK SMALL LETTER ALPHA
(define cherokee-a (integer->char #x13a0)) ; CHEROKEE LETTER A
(with-test-prefix "characters"
(pass-if "input A"
(char=? ascii-a #\A))
(pass-if "input A acute"
(char=? a-acute #\Á))
(pass-if "input alpha"
(char=? alpha #\α))
(pass-if "input Cherokee A"
(char=? cherokee-a #\Ꭰ))
(pass-if "display A"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'substitute)
(display ascii-a pt)
(string=? "A"
(get-output-string pt))))
(pass-if "display A acute"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'substitute)
(display a-acute pt)
(string=? "Á"
(get-output-string pt))))
(pass-if "display alpha"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'substitute)
(display alpha pt)
(string-ci=? "α"
(get-output-string pt))))
(pass-if "display Cherokee A"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'substitute)
(display cherokee-a pt)
(string-ci=? "Ꭰ"
(get-output-string pt))))
(pass-if "write A"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'escape)
(write ascii-a pt)
(string=? "#\\A"
(get-output-string pt))))
(pass-if "write A acute"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'escape)
(write a-acute pt)
(string=? "#\\Á"
(get-output-string pt))))
(pass-if "write alpha"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'escape)
(write alpha pt)
(string=? "#\\α"
(get-output-string pt))))
(pass-if "write Cherokee A"
(let ((pt (open-output-string)))
(set-port-encoding! pt "UTF-8")
(set-port-conversion-strategy! pt 'escape)
(write cherokee-a pt)
(string=? "#\\Ꭰ"
(get-output-string pt)))))
(define s1 "última")
(define s2 "cédula")
(define s3 "años")
(define s4 "羅生門")
(with-test-prefix "string length"
(pass-if "última"
(eq? (string-length s1) 6))
(pass-if "cédula"
(eq? (string-length s2) 6))
(pass-if "años"
(eq? (string-length s3) 4))
(pass-if "羅生門"
(eq? (string-length s4) 3)))
(with-test-prefix "internal encoding"
(pass-if "última"
(string=? s1 (string-ints #xfa #x6c #x74 #x69 #x6d #x61)))
(pass-if "cédula"
(string=? s2 (string-ints #x63 #xe9 #x64 #x75 #x6c #x61)))
(pass-if "años"
(string=? s3 (string-ints #x61 #xf1 #x6f #x73)))
(pass-if "羅生門"
(string=? s4 (string-ints #x7f85 #x751f #x9580))))
(with-test-prefix "chars"
(pass-if "última"
(list= eqv? (string->list s1)
(list #\ú #\l #\t #\i #\m #\a)))
(pass-if "cédula"
(list= eqv? (string->list s2)
(list #\c #\é #\d #\u #\l #\a)))
(pass-if "años"
(list= eqv? (string->list s3)
(list #\a #\ñ #\o #\s)))
(pass-if "羅生門"
(list= eqv? (string->list s4)
(list #\羅 #\生 #\門))))
(with-test-prefix "symbols == strings"
(pass-if "última"
(eq? (string->symbol s1) 'última))
(pass-if "cédula"
(eq? (string->symbol s2) 'cédula))
(pass-if "años"
(eq? (string->symbol s3) 'años))
(pass-if "羅生門"
(eq? (string->symbol s4) '羅生門)))
(with-test-prefix "non-ascii variable names"
(pass-if "1"
(let ((芥川龍之介 1)
(ñ 2))
(eq? (+ 芥川龍之介 ñ) 3))))
(if (defined? 'setlocale)
(setlocale LC_ALL oldlocale))
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