;; Copyright (C) 1999 Free Software Foundation, Inc.
;; Author: Hrvoje Niksic <hniksic@xemacs.org>
-;; Maintainer: Hrvoje Niksic <hniksic@xemacs.org>
+;; Maintainers: Hrvoje Niksic <hniksic@xemacs.org>,
+;; Martin Buchholz <martin@xemacs.org>
;; Created: 1999
;; Keywords: tests
(aset string 0 (make-char 'latin-iso8859-2 42))
(Assert (eq (aref string 1) (make-char 'latin-iso8859-2 69))))
+ ;; Test coding system functions
+
+ ;; Create alias for coding system without subsidiaries
+ (Assert (coding-system-p (find-coding-system 'binary)))
+ (Assert (coding-system-canonical-name-p 'binary))
+ (Assert (not (coding-system-alias-p 'binary)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias)))
+ (Assert (not (coding-system-canonical-name-p 'mule-tests-alias)))
+ (Check-Error-Message
+ error "Symbol is the canonical name of a coding system and cannot be redefined"
+ (define-coding-system-alias 'binary 'iso8859-2))
+ (Check-Error-Message
+ error "Symbol is not a coding system alias"
+ (coding-system-aliasee 'binary))
+
+ (define-coding-system-alias 'mule-tests-alias 'binary)
+ (Assert (coding-system-alias-p 'mule-tests-alias))
+ (Assert (not (coding-system-canonical-name-p 'mule-tests-alias)))
+ (Assert (eq (get-coding-system 'binary) (get-coding-system 'mule-tests-alias)))
+ (Assert (eq 'binary (coding-system-aliasee 'mule-tests-alias)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-unix)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-dos)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-mac)))
+
+ (define-coding-system-alias 'mule-tests-alias (get-coding-system 'binary))
+ (Assert (coding-system-alias-p 'mule-tests-alias))
+ (Assert (not (coding-system-canonical-name-p 'mule-tests-alias)))
+ (Assert (eq (get-coding-system 'binary) (get-coding-system 'mule-tests-alias)))
+ (Assert (eq 'binary (coding-system-aliasee 'mule-tests-alias)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-unix)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-dos)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-mac)))
+
+ (define-coding-system-alias 'nested-mule-tests-alias 'mule-tests-alias)
+ (Assert (coding-system-alias-p 'nested-mule-tests-alias))
+ (Assert (not (coding-system-canonical-name-p 'nested-mule-tests-alias)))
+ (Assert (eq (get-coding-system 'binary) (get-coding-system 'nested-mule-tests-alias)))
+ (Assert (eq (coding-system-aliasee 'nested-mule-tests-alias) 'mule-tests-alias))
+ (Assert (eq 'mule-tests-alias (coding-system-aliasee 'nested-mule-tests-alias)))
+ (Assert (not (coding-system-alias-p 'nested-mule-tests-alias-unix)))
+ (Assert (not (coding-system-alias-p 'nested-mule-tests-alias-dos)))
+ (Assert (not (coding-system-alias-p 'nested-mule-tests-alias-mac)))
+
+ (Check-Error-Message
+ error "Attempt to create a coding system alias loop"
+ (define-coding-system-alias 'mule-tests-alias 'nested-mule-tests-alias))
+ (Check-Error-Message
+ error "No such coding system"
+ (define-coding-system-alias 'no-such-coding-system 'no-such-coding-system))
+ (Check-Error-Message
+ error "Attempt to create a coding system alias loop"
+ (define-coding-system-alias 'mule-tests-alias 'mule-tests-alias))
+
+ (define-coding-system-alias 'nested-mule-tests-alias nil)
+ (define-coding-system-alias 'mule-tests-alias nil)
+ (Assert (coding-system-p (find-coding-system 'binary)))
+ (Assert (coding-system-canonical-name-p 'binary))
+ (Assert (not (coding-system-alias-p 'binary)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias)))
+ (Assert (not (coding-system-canonical-name-p 'mule-tests-alias)))
+ (Check-Error-Message
+ error "Symbol is the canonical name of a coding system and cannot be redefined"
+ (define-coding-system-alias 'binary 'iso8859-2))
+ (Check-Error-Message
+ error "Symbol is not a coding system alias"
+ (coding-system-aliasee 'binary))
+
+ (define-coding-system-alias 'nested-mule-tests-alias nil)
+ (define-coding-system-alias 'mule-tests-alias nil)
+
+ ;; Create alias for coding system with subsidiaries
+ (define-coding-system-alias 'mule-tests-alias 'iso-8859-7)
+ (Assert (coding-system-alias-p 'mule-tests-alias))
+ (Assert (not (coding-system-canonical-name-p 'mule-tests-alias)))
+ (Assert (eq (get-coding-system 'iso-8859-7) (get-coding-system 'mule-tests-alias)))
+ (Assert (eq 'iso-8859-7 (coding-system-aliasee 'mule-tests-alias)))
+ (Assert (coding-system-alias-p 'mule-tests-alias-unix))
+ (Assert (coding-system-alias-p 'mule-tests-alias-dos))
+ (Assert (coding-system-alias-p 'mule-tests-alias-mac))
+
+ (define-coding-system-alias 'mule-tests-alias (get-coding-system 'iso-8859-7))
+ (Assert (coding-system-alias-p 'mule-tests-alias))
+ (Assert (not (coding-system-canonical-name-p 'mule-tests-alias)))
+ (Assert (eq (get-coding-system 'iso-8859-7) (get-coding-system 'mule-tests-alias)))
+ (Assert (eq 'iso-8859-7 (coding-system-aliasee 'mule-tests-alias)))
+ (Assert (coding-system-alias-p 'mule-tests-alias-unix))
+ (Assert (coding-system-alias-p 'mule-tests-alias-dos))
+ (Assert (coding-system-alias-p 'mule-tests-alias-mac))
+ (Assert (eq (find-coding-system 'mule-tests-alias-mac)
+ (find-coding-system 'iso-8859-7-mac)))
+
+ (define-coding-system-alias 'nested-mule-tests-alias 'mule-tests-alias)
+ (Assert (coding-system-alias-p 'nested-mule-tests-alias))
+ (Assert (not (coding-system-canonical-name-p 'nested-mule-tests-alias)))
+ (Assert (eq (get-coding-system 'iso-8859-7)
+ (get-coding-system 'nested-mule-tests-alias)))
+ (Assert (eq (coding-system-aliasee 'nested-mule-tests-alias) 'mule-tests-alias))
+ (Assert (eq 'mule-tests-alias (coding-system-aliasee 'nested-mule-tests-alias)))
+ (Assert (coding-system-alias-p 'nested-mule-tests-alias-unix))
+ (Assert (coding-system-alias-p 'nested-mule-tests-alias-dos))
+ (Assert (coding-system-alias-p 'nested-mule-tests-alias-mac))
+ (Assert (eq (find-coding-system 'nested-mule-tests-alias-unix)
+ (find-coding-system 'iso-8859-7-unix)))
+
+ (Check-Error-Message
+ error "Attempt to create a coding system alias loop"
+ (define-coding-system-alias 'mule-tests-alias 'nested-mule-tests-alias))
+ (Check-Error-Message
+ error "No such coding system"
+ (define-coding-system-alias 'no-such-coding-system 'no-such-coding-system))
+ (Check-Error-Message
+ error "Attempt to create a coding system alias loop"
+ (define-coding-system-alias 'mule-tests-alias 'mule-tests-alias))
+
+ ;; Test dangling alias deletion
+ (define-coding-system-alias 'mule-tests-alias nil)
+ (Assert (not (coding-system-alias-p 'mule-tests-alias)))
+ (Assert (not (coding-system-alias-p 'mule-tests-alias-unix)))
+ (Assert (not (coding-system-alias-p 'nested-mule-tests-alias)))
+ (Assert (not (coding-system-alias-p 'nested-mule-tests-alias-dos)))
+
;; Test strings waxing and waning across the 8k BIG_STRING limit (see alloc.c)
(defun charset-char-string (charset)
(let (lo hi string n)