test-suite/tests/encoding-iso88591.test

   1 ;;;; encoding-iso88591.test --- test suite for Guile's string encodings    -*- mode: scheme; coding: iso-8859-1 -*-
   2 ;;;;
   3 ;;;; Copyright (C) 2009, 2010, 2014 Free Software Foundation, Inc.
   4 ;;;;
   5 ;;;; This library is free software; you can redistribute it and/or
   6 ;;;; modify it under the terms of the GNU Lesser General Public
   7 ;;;; License as published by the Free Software Foundation; either
   8 ;;;; version 3 of the License, or (at your option) any later version.
   9 ;;;;
  10 ;;;; This library 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 GNU
  13 ;;;; Lesser General Public License for more details.
  14 ;;;;
  15 ;;;; You should have received a copy of the GNU Lesser General Public
  16 ;;;; License along with this library; if not, write to the Free Software
  17 ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18
  19 (define-module (test-strings)
  20   #:use-module (test-suite lib)
  21   #:use-module (srfi srfi-1))
  22
  23 ;; Create a string from integer char values, eg. (string-ints 65) => "A"
  24 (define (string-ints . args)
  25   (apply string (map integer->char args)))
  26
  27 ;; Set locale to the environment's locale, so that the prints look OK.
  28 (when (defined? 'setlocale)
  29   (setlocale LC_ALL ""))
  30
  31 (define ascii-a (integer->char 65))     ; LATIN CAPITAL LETTER A
  32 (define a-acute (integer->char #x00c1)) ; LATIN CAPITAL LETTER A WITH ACUTE
  33 (define alpha (integer->char #x03b1))   ; GREEK SMALL LETTER ALPHA
  34 (define cherokee-a (integer->char #x13a0)) ; CHEROKEE LETTER A
  35
  36 (with-test-prefix "characters"
  37   (pass-if "input A"
  38     (char=? ascii-a #\A))
  39
  40   (pass-if "input A acute"
  41     (char=? a-acute #\Á))
  42
  43   (pass-if "display A"
  44            (let ((pt (open-output-string)))
  45              (set-port-encoding! pt "ISO-8859-1")
  46              (set-port-conversion-strategy! pt 'escape)
  47              (display ascii-a pt)
  48              (string=? "A"
  49                        (get-output-string pt))))
  50
  51   (pass-if "display A acute"
  52            (let ((pt (open-output-string)))
  53              (set-port-encoding! pt "ISO-8859-1")
  54              (set-port-conversion-strategy! pt 'escape)
  55              (display a-acute pt)
  56              (string=? "Á"
  57                        (get-output-string pt))))
  58
  59   (pass-if "display alpha"
  60            (let ((pt (open-output-string)))
  61              (set-port-encoding! pt "ISO-8859-1")
  62              (set-port-conversion-strategy! pt 'escape)
  63              (display alpha pt)
  64              (string-ci=? "\\u03b1"
  65                        (get-output-string pt))))
  66
  67   (pass-if "display Cherokee a"
  68            (let ((pt (open-output-string)))
  69              (set-port-encoding! pt "ISO-8859-1")
  70              (set-port-conversion-strategy! pt 'escape)
  71              (display cherokee-a pt)
  72              (string-ci=? "\\u13a0"
  73                        (get-output-string pt))))
  74
  75   (pass-if "write A"
  76            (let ((pt (open-output-string)))
  77              (set-port-encoding! pt "ISO-8859-1")
  78              (set-port-conversion-strategy! pt 'escape)
  79              (write ascii-a pt)
  80              (string=? "#\\A"
  81                        (get-output-string pt))))
  82
  83   (pass-if "write A acute"
  84            (let ((pt (open-output-string)))
  85              (set-port-encoding! pt "ISO-8859-1")
  86              (set-port-conversion-strategy! pt 'escape)
  87              (write a-acute pt)
  88              (string=? "#\\Á"
  89                        (get-output-string pt))))
  90
  91   (pass-if "write A followed by combining accent"
  92            (let ((pt (open-output-string)))
  93              (set-port-encoding! pt "ISO-8859-1")
  94              (set-port-conversion-strategy! pt 'escape)
  95              (write (string #\A (integer->char #x030f)) pt)
  96              (string-ci=? "\"A\\u030f\""
  97                           (get-output-string pt)))))
  98
  99
 100 (define s1 "última")
 101 (define s2 "cédula")
 102 (define s3 "años")
 103 (define s4 "¿Cómo?")
 104
 105 (with-test-prefix "string length"
 106
 107   (pass-if "última"
 108            (eqv? (string-length s1) 6))
 109
 110   (pass-if "cédula"
 111            (eqv? (string-length s2) 6))
 112
 113   (pass-if "años"
 114            (eqv? (string-length s3) 4))
 115
 116   (pass-if "¿Cómo?"
 117            (eqv? (string-length s4) 6)))
 118
 119 (with-test-prefix "internal encoding"
 120
 121   (pass-if "última"
 122            (string=? s1 (string-ints #xfa #x6c #x74 #x69 #x6d #x61)))
 123
 124   (pass-if "cédula"
 125            (string=? s2 (string-ints #x63 #xe9 #x64 #x75 #x6c #x61)))
 126
 127   (pass-if "años"
 128            (string=? s3 (string-ints #x61 #xf1 #x6f #x73)))
 129
 130   (pass-if "¿Cómo?"
 131            (string=? s4 (string-ints #xbf #x43 #xf3 #x6d #x6f #x3f))))
 132
 133 (with-test-prefix "chars"
 134
 135   (pass-if "última"
 136            (list= eqv? (string->list s1)
 137                   (list #\ú #\l #\t #\i #\m #\a)))
 138
 139   (pass-if "cédula"
 140            (list= eqv? (string->list s2)
 141                   (list #\c #\é #\d #\u #\l #\a)))
 142
 143   (pass-if "años"
 144            (list= eqv? (string->list s3)
 145                   (list #\a #\ñ #\o #\s)))
 146
 147   (pass-if "¿Cómo?"
 148            (list= eqv? (string->list s4)
 149                   (list #\¿ #\C #\ó #\m #\o #\?))))
 150
 151 (with-test-prefix "symbols == strings"
 152
 153   (pass-if "última"
 154            (eq? (string->symbol s1) 'última))
 155
 156   (pass-if "cédula"
 157            (eq? (string->symbol s2) 'cédula))
 158
 159   (pass-if "años"
 160            (eq? (string->symbol s3) 'años))
 161
 162   (pass-if "¿Cómo?"
 163            (eq? (string->symbol s4) '¿Cómo?)))
 164
 165 (with-test-prefix "non-ascii variable names"
 166
 167   (pass-if "1"
 168            (let ((á 1)
 169                  (ñ 2))
 170              (eqv? (+ á ñ) 3))))
 171
 172 (with-test-prefix "output errors"
 173
 174   (pass-if-exception "char 256" exception:encoding-error
 175                      (let ((pt (open-output-string)))
 176                        (set-port-encoding! pt "ISO-8859-1")
 177                        (set-port-conversion-strategy! pt 'error)
 178                        (display (string-ints 256) pt))))