test-suite/tests/encoding-iso88597.test

   1 ;;;; strings.test --- test suite for Guile's string functions    -*- mode: scheme; coding: iso-8859-7 -*-
   2 ;;;;
   3 ;;;; Copyright (C) 2009 Free Software Foundation, Inc.
   4 ;;;;
   5 ;;;; This program is free software; you can redistribute it and/or modify
   6 ;;;; it under the terms of the GNU General Public License as published by
   7 ;;;; the Free Software Foundation; either version 2, or (at your option)
   8 ;;;; any later version.
   9 ;;;;
  10 ;;;; This program is distributed in the hope that it will be useful,
  11 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ;;;; GNU General Public License for more details.
  14 ;;;;
  15 ;;;; You should have received a copy of the GNU General Public License
  16 ;;;; along with this software; see the file COPYING.  If not, write to
  17 ;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18 ;;;; Boston, MA 02110-1301 USA
  19
  20 (define-module (test-strings)
  21   #:use-module (test-suite lib)
  22   #:use-module (srfi srfi-1))
  23
  24 (define exception:conversion
  25   (cons 'misc-error "^cannot convert to output locale"))
  26
  27 ;; Create a string from integer char values, eg. (string-ints 65) => "A"
  28 (define (string-ints . args)
  29   (apply string (map integer->char args)))
  30
  31 (define oldlocale #f)
  32 (if (defined? 'setlocale)
  33     (set! oldlocale (setlocale LC_ALL "")))
  34 (define ascii-a (integer->char 65))     ; LATIN CAPITAL LETTER A
  35 (define a-acute (integer->char #x00c1)) ; LATIN CAPITAL LETTER A WITH ACUTE
  36 (define alpha (integer->char #x03b1))   ; GREEK SMALL LETTER ALPHA
  37 (define cherokee-a (integer->char #x13a0)) ; CHEROKEE LETTER A
  38
  39 (with-test-prefix "characters"
  40   (pass-if "input A"
  41     (char=? ascii-a #\A))
  42
  43   (pass-if "input alpha"
  44     (char=? alpha #\á))
  45
  46   (pass-if "display A"
  47            (let ((pt (open-output-string)))
  48              (set-port-encoding! pt "ISO-8859-7")
  49              (set-port-conversion-strategy! pt 'escape)
  50              (display ascii-a pt)
  51              (string=? "A"
  52                        (get-output-string pt))))
  53
  54   (pass-if "display A acute"
  55            (let ((pt (open-output-string)))
  56              (set-port-encoding! pt "ISO-8859-7")
  57              (set-port-conversion-strategy! pt 'escape)
  58              (display a-acute pt)
  59              (string-ci=? "\\xc1"
  60                        (get-output-string pt))))
  61
  62   (pass-if "display alpha"
  63            (let ((pt (open-output-string)))
  64              (set-port-encoding! pt "ISO-8859-7")
  65              (set-port-conversion-strategy! pt 'escape)
  66              (display alpha pt)
  67              (string-ci=? "á"
  68                        (get-output-string pt))))
  69
  70   (pass-if "display Cherokee A"
  71            (let ((pt (open-output-string)))
  72              (set-port-encoding! pt "ISO-8859-7")
  73              (set-port-conversion-strategy! pt 'escape)
  74              (display cherokee-a pt)
  75              (string-ci=? "\\u13a0"
  76                        (get-output-string pt))))
  77
  78   (pass-if "write A"
  79            (let ((pt (open-output-string)))
  80              (set-port-encoding! pt "ISO-8859-7")
  81              (set-port-conversion-strategy! pt 'escape)
  82              (write ascii-a pt)
  83              (string=? "#\\A"
  84                        (get-output-string pt))))
  85
  86   (pass-if "write alpha"
  87            (let ((pt (open-output-string)))
  88              (set-port-encoding! pt "ISO-8859-7")
  89              (set-port-conversion-strategy! pt 'escape)
  90              (write alpha pt)
  91              (string=? "#\\á"
  92                        (get-output-string pt)))))
  93
  94 (define s1 "Ðåñß")
  95 (define s2 "ôçò")
  96 (define s3 "êñéôéêÞò")
  97 (define s4 "êáé")
  98
  99 (with-test-prefix "string length"
 100
 101   (pass-if "s1"
 102            (eq? (string-length s1) 4))
 103
 104   (pass-if "s2"
 105            (eq? (string-length s2) 3))
 106
 107   (pass-if "s3"
 108            (eq? (string-length s3) 8))
 109
 110   (pass-if "s4"
 111            (eq? (string-length s4) 3)))
 112
 113 (with-test-prefix "internal encoding"
 114
 115   (pass-if "s1"
 116            (string=? s1 (string-ints #x03a0 #x03b5 #x03c1 #x03af)))
 117
 118   (pass-if "s2"
 119            (string=? s2 (string-ints #x03c4 #x03b7 #x03c2)))
 120
 121   (pass-if "s3"
 122            (string=? s3 (string-ints #x03ba #x03c1 #x03b9 #x03c4 #x03b9 #x03ba #x03ae #x03c2)))
 123
 124   (pass-if "s4"
 125            (string=? s4 (string-ints #x03ba #x03b1 #x03b9))))
 126
 127 (with-test-prefix "chars"
 128
 129   (pass-if "s1"
 130            (list= eqv? (string->list s1)
 131                   (list #\Ð #\å #\ñ #\ß)))
 132
 133   (pass-if "s2"
 134            (list= eqv? (string->list s2)
 135                   (list #\ô #\ç #\ò)))
 136
 137   (pass-if "s3"
 138            (list= eqv? (string->list s3)
 139                   (list #\ê #\ñ #\é #\ô #\é #\ê #\Þ #\ò)))
 140
 141   (pass-if "s4"
 142            (list= eqv? (string->list s4)
 143                   (list #\ê #\á #\é))))
 144
 145 (with-test-prefix "symbols == strings"
 146
 147   (pass-if "Ðåñß"
 148            (eq? (string->symbol s1) 'Ðåñß))
 149
 150   (pass-if "ôçò"
 151            (eq? (string->symbol s2) 'ôçò))
 152
 153   (pass-if "êñéôéêÞò"
 154            (eq? (string->symbol s3) 'êñéôéêÞò))
 155
 156   (pass-if "êáé"
 157            (eq? (string->symbol s4) 'êáé)))
 158
 159 (with-test-prefix "non-ascii variable names"
 160
 161   (pass-if "1"
 162            (let ((á 1)
 163                  (ñ 2))
 164              (eq? (+ á ñ) 3))))
 165
 166 (with-test-prefix "output errors"
 167
 168   (pass-if-exception "char #x0400"
 169                      exception:conversion
 170                      (let ((pt (open-output-string)))
 171                        (set-port-encoding! pt "ISO-8859-7")
 172                        (set-port-conversion-strategy! pt 'error)
 173                        (display (string-ints #x0400) pt))))
 174
 175 ;; Reset locale
 176 (if (defined? 'setlocale)
 177     (setlocale LC_ALL oldlocale))