test-suite/tests/encoding-iso88591.test

   1 ;;;; strings.test --- test suite for Guile's string functions    -*- mode: scheme; coding: iso-8859-1 -*-
   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 ;; Set locale to the environment's locale, so that the prints look OK.
  32 (define oldlocale #f)
  33 (if (defined? 'setlocale)
  34     (set! oldlocale (setlocale LC_ALL "")))
  35
  36 (define ascii-a (integer->char 65))     ; LATIN CAPITAL LETTER A
  37 (define a-acute (integer->char #x00c1)) ; LATIN CAPITAL LETTER A WITH ACUTE
  38 (define alpha (integer->char #x03b1))   ; GREEK SMALL LETTER ALPHA
  39 (define cherokee-a (integer->char #x13a0)) ; CHEROKEE LETTER A
  40
  41 (with-test-prefix "characters"
  42   (pass-if "input A"
  43     (char=? ascii-a #\A))
  44
  45   (pass-if "input A acute"
  46     (char=? a-acute #\Á))
  47
  48   (pass-if "display A"
  49            (let ((pt (open-output-string)))
  50              (set-port-encoding! pt "ISO-8859-1")
  51              (set-port-conversion-strategy! pt 'escape)
  52              (display ascii-a pt)
  53              (string=? "A"
  54                        (get-output-string pt))))
  55
  56   (pass-if "display A acute"
  57            (let ((pt (open-output-string)))
  58              (set-port-encoding! pt "ISO-8859-1")
  59              (set-port-conversion-strategy! pt 'escape)
  60              (display a-acute pt)
  61              (string=? "Á"
  62                        (get-output-string pt))))
  63
  64   (pass-if "display alpha"
  65            (let ((pt (open-output-string)))
  66              (set-port-encoding! pt "ISO-8859-1")
  67              (set-port-conversion-strategy! pt 'escape)
  68              (display alpha pt)
  69              (string-ci=? "\\u03b1"
  70                        (get-output-string pt))))
  71
  72   (pass-if "display Cherokee a"
  73            (let ((pt (open-output-string)))
  74              (set-port-encoding! pt "ISO-8859-1")
  75              (set-port-conversion-strategy! pt 'escape)
  76              (display cherokee-a pt)
  77              (string-ci=? "\\u13a0"
  78                        (get-output-string pt))))
  79
  80   (pass-if "write A"
  81            (let ((pt (open-output-string)))
  82              (set-port-encoding! pt "ISO-8859-1")
  83              (set-port-conversion-strategy! pt 'escape)
  84              (write ascii-a pt)
  85              (string=? "#\\A"
  86                        (get-output-string pt))))
  87
  88   (pass-if "write A acute"
  89            (let ((pt (open-output-string)))
  90              (set-port-encoding! pt "ISO-8859-1")
  91              (set-port-conversion-strategy! pt 'escape)
  92              (write a-acute pt)
  93              (string=? "#\\Á"
  94                        (get-output-string pt)))))
  95
  96
  97 (define s1 "última")
  98 (define s2 "cédula")
  99 (define s3 "años")
 100 (define s4 "¿Cómo?")
 101
 102 (with-test-prefix "string length"
 103
 104   (pass-if "última"
 105            (eq? (string-length s1) 6))
 106
 107   (pass-if "cédula"
 108            (eq? (string-length s2) 6))
 109
 110   (pass-if "años"
 111            (eq? (string-length s3) 4))
 112
 113   (pass-if "¿Cómo?"
 114            (eq? (string-length s4) 6)))
 115
 116 (with-test-prefix "internal encoding"
 117
 118   (pass-if "última"
 119            (string=? s1 (string-ints #xfa #x6c #x74 #x69 #x6d #x61)))
 120
 121   (pass-if "cédula"
 122            (string=? s2 (string-ints #x63 #xe9 #x64 #x75 #x6c #x61)))
 123
 124   (pass-if "años"
 125            (string=? s3 (string-ints #x61 #xf1 #x6f #x73)))
 126
 127   (pass-if "¿Cómo?"
 128            (string=? s4 (string-ints #xbf #x43 #xf3 #x6d #x6f #x3f))))
 129
 130 (with-test-prefix "chars"
 131
 132   (pass-if "última"
 133            (list= eqv? (string->list s1)
 134                   (list #\ú #\l #\t #\i #\m #\a)))
 135
 136   (pass-if "cédula"
 137            (list= eqv? (string->list s2)
 138                   (list #\c #\é #\d #\u #\l #\a)))
 139
 140   (pass-if "años"
 141            (list= eqv? (string->list s3)
 142                   (list #\a #\ñ #\o #\s)))
 143
 144   (pass-if "¿Cómo?"
 145            (list= eqv? (string->list s4)
 146                   (list #\¿ #\C #\ó #\m #\o #\?))))
 147
 148 (with-test-prefix "symbols == strings"
 149
 150   (pass-if "última"
 151            (eq? (string->symbol s1) 'última))
 152
 153   (pass-if "cédula"
 154            (eq? (string->symbol s2) 'cédula))
 155
 156   (pass-if "años"
 157            (eq? (string->symbol s3) 'años))
 158
 159   (pass-if "¿Cómo?"
 160            (eq? (string->symbol s4) '¿Cómo?)))
 161
 162 (with-test-prefix "non-ascii variable names"
 163
 164   (pass-if "1"
 165            (let ((á 1)
 166                  (ñ 2))
 167              (eq? (+ á ñ) 3))))
 168
 169 (with-test-prefix "output errors"
 170
 171   (pass-if-exception "char 256" exception:conversion
 172                      (let ((pt (open-output-string)))
 173                        (set-port-encoding! pt "ISO-8859-1")
 174                        (set-port-conversion-strategy! pt 'error)
 175                        (display (string-ints 256) pt))))
 176
 177 ;; Reset locales
 178 (if (defined? 'setlocale)
 179     (setlocale LC_ALL oldlocale))