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+;;;; strings.test --- test suite for Guile's string functions -*- mode: scheme; coding: iso-8859-1 -*-
+;;;;
+;;;; 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)))
+
+;; Set locale to the environment's locale, so that the prints look OK.
+(define oldlocale #f)
+(if (defined? 'setlocale)
+ (set! oldlocale (setlocale LC_ALL "")))
+
+(define s1 "última")
+(define s2 "cédula")
+(define s3 "años")
+(define s4 "¿Cómo?")
+
+(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 "¿Cómo?"
+ (eq? (string-length s4) 6)))
+
+(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 "¿Cómo?"
+ (string=? s4 (string-ints #xbf #x43 #xf3 #x6d #x6f #x3f))))
+
+(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 "¿Cómo?"
+ (list= eqv? (string->list s4)
+ (list #\¿ #\C #\ó #\m #\o #\?))))
+
+;; Check that the output is in ISO-8859-1 encoding
+(with-test-prefix "display"
+
+ (pass-if "s1"
+ (let ((pt (open-output-string)))
+ (set-port-encoding! pt "ISO-8859-1")
+ (display s1 pt)
+ (list= eqv?
+ (list #xfa #x6c #x74 #x69 #x6d #x61)
+ (u8vector->list
+ (get-output-locale-u8vector pt)))))
+
+ (pass-if "s2"
+ (let ((pt (open-output-string)))
+ (set-port-encoding! pt "ISO-8859-1")
+ (display s2 pt)
+ (list= eqv?
+ (list #x63 #xe9 #x64 #x75 #x6c #x61)
+ (u8vector->list
+ (get-output-locale-u8vector pt))))))
+
+(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 "¿Cómo?"
+ (eq? (string->symbol s4) '¿Cómo?)))
+
+(with-test-prefix "non-ascii variable names"
+
+ (pass-if "1"
+ (let ((á 1)
+ (ñ 2))
+ (eq? (+ á ñ) 3))))
+
+(with-test-prefix "output errors"
+
+ (pass-if-exception "char 256" exception:conversion
+ (let ((pt (open-output-string)))
+ (set-port-encoding! pt "ISO-8859-1")
+ (set-port-conversion-strategy! pt 'error)
+ (display (string-ints 256) pt))))
+
+;; Reset locales
+(if (defined? 'setlocale)
+ (setlocale LC_ALL oldlocale))