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guile/test-suite/tests/goops.test
2005-05-23 20:15:36 +00:00

329 lines
9.6 KiB
Scheme

;;;; goops.test --- test suite for GOOPS -*- scheme -*-
;;;;
;;;; Copyright (C) 2001, 2003 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))
(pass-if "GOOPS loads"
(false-if-exception
(begin (resolve-module '(oop goops))
#t)))
(use-modules (oop goops))
;;; more tests here...
(with-test-prefix "basic classes"
(with-test-prefix "<top>"
(pass-if "instance?"
(instance? <top>))
(pass-if "class-of"
(eq? (class-of <top>) <class>))
(pass-if "is a class?"
(is-a? <top> <class>))
(pass-if "class-name"
(eq? (class-name <top>) '<top>))
(pass-if "direct superclasses"
(equal? (class-direct-supers <top>) '()))
(pass-if "superclasses"
(equal? (class-precedence-list <top>) (list <top>)))
(pass-if "direct slots"
(equal? (class-direct-slots <top>) '()))
(pass-if "slots"
(equal? (class-slots <top>) '())))
(with-test-prefix "<object>"
(pass-if "instance?"
(instance? <object>))
(pass-if "class-of"
(eq? (class-of <object>) <class>))
(pass-if "is a class?"
(is-a? <object> <class>))
(pass-if "class-name"
(eq? (class-name <object>) '<object>))
(pass-if "direct superclasses"
(equal? (class-direct-supers <object>) (list <top>)))
(pass-if "superclasses"
(equal? (class-precedence-list <object>) (list <object> <top>)))
(pass-if "direct slots"
(equal? (class-direct-slots <object>) '()))
(pass-if "slots"
(equal? (class-slots <object>) '())))
(with-test-prefix "<class>"
(pass-if "instance?"
(instance? <class>))
(pass-if "class-of"
(eq? (class-of <class>) <class>))
(pass-if "is a class?"
(is-a? <class> <class>))
(pass-if "class-name"
(eq? (class-name <class>) '<class>))
(pass-if "direct superclass"
(equal? (class-direct-supers <class>) (list <object>))))
(with-test-prefix "class-precedence-list"
(for-each (lambda (class)
(run-test (if (slot-bound? class 'name)
(class-name class)
(with-output-to-string
(lambda ()
(display class))))
#t
(lambda ()
(catch #t
(lambda ()
(equal? (class-precedence-list class)
(compute-cpl class)))
(lambda args #t)))))
(let ((table (make-hash-table 31)))
(let rec ((class <top>))
(hash-create-handle! table class #f)
(for-each rec (class-direct-subclasses class)))
(hash-fold (lambda (class ignore classes)
(cons class classes))
'()
table))))
)
(with-test-prefix "defining classes"
(with-test-prefix "define-class"
(pass-if "creating a new binding"
(eval '(define <foo> #f) (current-module))
(eval '(undefine <foo>) (current-module))
(eval '(define-class <foo> ()) (current-module))
(eval '(is-a? <foo> <class>) (current-module)))
(pass-if "overwriting a binding to a non-class"
(eval '(define <foo> #f) (current-module))
(eval '(define-class <foo> ()) (current-module))
(eval '(is-a? <foo> <class>) (current-module)))
(expect-fail "bad init-thunk"
(catch #t
(lambda ()
(eval '(define-class <foo> ()
(x #:init-thunk (lambda (x) 1)))
(current-module))
#t)
(lambda args
#f)))
))
(with-test-prefix "defining generics"
(with-test-prefix "define-generic"
(pass-if "creating a new top-level binding"
(eval '(define foo #f) (current-module))
(eval '(undefine foo) (current-module))
(eval '(define-generic foo) (current-module))
(eval '(and (is-a? foo <generic>)
(null? (generic-function-methods foo)))
(current-module)))
(pass-if "overwriting a top-level binding to a non-generic"
(eval '(define (foo) #f) (current-module))
(eval '(define-generic foo) (current-module))
(eval '(and (is-a? foo <generic>)
(= 1 (length (generic-function-methods foo))))
(current-module)))
(pass-if "overwriting a top-level binding to a generic"
(eval '(define (foo) #f) (current-module))
(eval '(define-generic foo) (current-module))
(eval '(define-generic foo) (current-module))
(eval '(and (is-a? foo <generic>)
(null? (generic-function-methods foo)))
(current-module)))))
(with-test-prefix "defining accessors"
(with-test-prefix "define-accessor"
(pass-if "creating a new top-level binding"
(eval '(define foo #f) (current-module))
(eval '(undefine foo) (current-module))
(eval '(define-accessor foo) (current-module))
(eval '(and (is-a? foo <generic-with-setter>)
(null? (generic-function-methods foo)))
(current-module)))
(pass-if "overwriting a top-level binding to a non-accessor"
(eval '(define (foo) #f) (current-module))
(eval '(define-accessor foo) (current-module))
(eval '(and (is-a? foo <generic-with-setter>)
(= 1 (length (generic-function-methods foo))))
(current-module)))
(pass-if "overwriting a top-level binding to an accessor"
(eval '(define (foo) #f) (current-module))
(eval '(define-accessor foo) (current-module))
(eval '(define-accessor foo) (current-module))
(eval '(and (is-a? foo <generic-with-setter>)
(null? (generic-function-methods foo)))
(current-module)))))
(with-test-prefix "object update"
(pass-if "defining class"
(eval '(define-class <foo> ()
(x #:accessor x #:init-value 123)
(z #:accessor z #:init-value 789))
(current-module))
(eval '(is-a? <foo> <class>) (current-module)))
(pass-if "making instance"
(eval '(define foo (make <foo>)) (current-module))
(eval '(and (is-a? foo <foo>) (= (x foo) 123)) (current-module)))
(pass-if "redefining class"
(eval '(define-class <foo> ()
(x #:accessor x #:init-value 123)
(y #:accessor y #:init-value 456)
(z #:accessor z #:init-value 789))
(current-module))
(eval '(and (= (y foo) 456) (= (z foo) 789)) (current-module))))
(with-test-prefix "object comparison"
(pass-if "default method"
(eval '(begin
(define-class <c> ()
(x #:accessor x #:init-keyword #:x)
(y #:accessor y #:init-keyword #:y))
(define o1 (make <c> #:x '(1) #:y '(2)))
(define o2 (make <c> #:x '(1) #:y '(3)))
(define o3 (make <c> #:x '(4) #:y '(3)))
(define o4 (make <c> #:x '(4) #:y '(3)))
(not (eqv? o1 o2)))
(current-module)))
(pass-if "eqv?"
(eval '(begin
(define-method (eqv? (a <c>) (b <c>))
(equal? (x a) (x b)))
(eqv? o1 o2))
(current-module)))
(pass-if "not eqv?"
(eval '(not (eqv? o2 o3))
(current-module)))
(pass-if "transfer eqv? => equal?"
(eval '(equal? o1 o2)
(current-module)))
(pass-if "equal?"
(eval '(begin
(define-method (equal? (a <c>) (b <c>))
(equal? (y a) (y b)))
(equal? o2 o3))
(current-module)))
(pass-if "not equal?"
(eval '(not (equal? o1 o2))
(current-module)))
(pass-if "="
(eval '(begin
(define-method (= (a <c>) (b <c>))
(and (equal? (x a) (x b))
(equal? (y a) (y b))))
(= o3 o4))
(current-module)))
(pass-if "not ="
(eval '(not (= o1 o2))
(current-module)))
)
(use-modules (oop goops active-slot))
(with-test-prefix "active-slot"
(pass-if "defining class with active slot"
(eval '(begin
(define z '())
(define-class <bar> ()
(x #:accessor x
#:init-value 1
#:allocation #:active
#:before-slot-ref
(lambda (o)
(set! z (cons 'before-ref z))
#t)
#:after-slot-ref
(lambda (o)
(set! z (cons 'after-ref z)))
#:before-slot-set!
(lambda (o v)
(set! z (cons* v 'before-set! z)))
#:after-slot-set!
(lambda (o v)
(set! z (cons* v (x o) 'after-set! z))))
#:metaclass <active-class>)
(define bar (make <bar>))
(x bar)
(set! (x bar) 2)
(equal? (reverse z)
'(before-ref before-set! 1 before-ref after-ref
after-set! 1 1 before-ref after-ref
before-set! 2 before-ref after-ref after-set! 2 2)))
(current-module))))
(use-modules (oop goops composite-slot))
(with-test-prefix "composite-slot"
(pass-if "creating instance with propagated slot"
(eval '(begin
(define-class <a> ()
(x #:accessor x #:init-keyword #:x)
(y #:accessor y #:init-keyword #:y))
(define-class <c> ()
(o1 #:accessor o1 #:init-form (make <a> #:x 1 #:y 2))
(o2 #:accessor o2 #:init-form (make <a> #:x 3 #:y 4))
(x #:accessor x
#:allocation #:propagated
#:propagate-to '(o1 (o2 y)))
#:metaclass <composite-class>)
(define o (make <c>))
(is-a? o <c>))
(current-module)))
(pass-if "reading propagated slot"
(eval '(= (x o) 1) (current-module)))
(pass-if "writing propagated slot"
(eval '(begin
(set! (x o) 5)
(and (= (x (o1 o)) 5)
(= (y (o1 o)) 2)
(= (x (o2 o)) 3)
(= (y (o2 o)) 5)))
(current-module))))