--- /dev/null
+;;;; chars.test --- test suite for Guile's char functions -*- scheme -*-
+;;;; Greg J. Badros <gjb@cs.washington.edu>
+;;;;
+;;;; Copyright (C) 2000, 2006 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
+
+
+(use-modules (test-suite lib))
+
+(define exception:wrong-type-to-apply
+ (cons 'misc-error "^Wrong type to apply:"))
+
+
+(with-test-prefix "basic char handling"
+
+ (with-test-prefix "evaluator"
+
+ ;; The following test makes sure that the evaluator distinguishes between
+ ;; evaluator-internal instruction codes and characters.
+ (pass-if-exception "evaluating chars"
+ exception:wrong-type-to-apply
+ (eval '(#\0) (interaction-environment)))))
+
+(pass-if "char-is-both? works"
+ (and
+ (not (char-is-both? #\?))
+ (not (char-is-both? #\newline))
+ (char-is-both? #\a)
+ (char-is-both? #\Z)
+ (not (char-is-both? #\1))))
+