;;;; goops.test --- test suite for GOOPS -*- scheme -*-
;;;;
-;;;; Copyright (C) 2001 Free Software Foundation, Inc.
+;;;; Copyright (C) 2001,2003,2004, 2006, 2008, 2009, 2011, 2012 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 library is free software; you can redistribute it and/or
+;;;; modify it under the terms of the GNU Lesser General Public
+;;;; License as published by the Free Software Foundation; either
+;;;; version 3 of the License, or (at your option) any later version.
;;;;
-;;;; This program is distributed in the hope that it will be useful,
+;;;; This library 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.
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;;; Lesser 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., 59 Temple Place, Suite 330,
-;;;; Boston, MA 02111-1307 USA
+;;;; You should have received a copy of the GNU Lesser General Public
+;;;; License along with this library; 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-module (test-suite test-goops)
+ #:use-module (test-suite lib)
+ #:autoload (srfi srfi-1) (unfold))
+
+(define exception:no-applicable-method
+ '(goops-error . "^No applicable method"))
(pass-if "GOOPS loads"
(false-if-exception
(eq? (class-name <class>) '<class>))
(pass-if "direct superclass"
- (equal? (class-direct-supers <class>) (list <object>)))))
+ (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)))
+ (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 "classes for built-in types"
+
+ (pass-if "subr"
+ (eq? (class-of fluid-ref) <procedure>))
+
+ (pass-if "gsubr"
+ (eq? (class-of hashq-ref) <procedure>))
+
+ (pass-if "car"
+ (eq? (class-of car) <procedure>))
+
+ (pass-if "string"
+ (eq? (class-of "foo") <string>))
+
+ (pass-if "port"
+ (is-a? (%make-void-port "w") <port>))
+
+ (pass-if "struct vtable"
+ ;; Previously, `class-of' would fail for nameless structs, i.e., structs
+ ;; for which `struct-vtable-name' is #f.
+ (is-a? (class-of (make-vtable
+ (string-append standard-vtable-fields "prprpr")))
+ <class>)))
+
(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)))
+ (if (eval '(defined? '<foo-0>) (current-module))
+ (throw 'unresolved))
+ (eval '(define-class <foo-0> ()) (current-module))
+ (eval '(is-a? <foo-0> <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)))))
+ (eval '(is-a? <foo> <class>) (current-module)))
+
+ (expect-fail "bad init-thunk"
+ (begin
+ (catch #t
+ (lambda ()
+ (eval '(define-class <foo> ()
+ (x #:init-thunk (lambda (x) 1)))
+ (current-module))
+ #t)
+ (lambda args
+ #f))))
+
+ (pass-if "interaction with `struct-ref'"
+ (eval '(define-class <class-struct> ()
+ (foo #:init-keyword #:foo)
+ (bar #:init-keyword #:bar))
+ (current-module))
+ (eval '(let ((x (make <class-struct>
+ #:foo 'hello
+ #:bar 'world)))
+ (and (struct? x)
+ (eq? (struct-ref x 0) 'hello)
+ (eq? (struct-ref x 1) 'world)))
+ (current-module)))
+
+ (pass-if "interaction with `struct-set!'"
+ (eval '(define-class <class-struct-2> ()
+ (foo) (bar))
+ (current-module))
+ (eval '(let ((x (make <class-struct-2>)))
+ (struct-set! x 0 'hello)
+ (struct-set! x 1 'world)
+ (and (struct? x)
+ (eq? (struct-ref x 0) 'hello)
+ (eq? (struct-ref x 1) 'world)))
+ (current-module)))
+
+ (pass-if "with accessors"
+ (eval '(define-class <qux> ()
+ (x #:accessor x #:init-value 123)
+ (z #:accessor z #:init-value 789))
+ (current-module))
+ (eval '(equal? (x (make <qux>)) 123) (current-module)))
+
+ (pass-if-exception "cannot redefine fields of <class>"
+ '(misc-error . "cannot be redefined")
+ (eval '(begin
+ (define-class <test-class> (<class>)
+ name)
+ (make <test-class>))
+ (current-module)))))
(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)))
+ (if (eval '(defined? 'foo-0) (current-module))
+ (throw 'unresolved))
+ (eval '(define-generic foo-0) (current-module))
+ (eval '(and (is-a? foo-0 <generic>)
+ (null? (generic-function-methods foo-0)))
(current-module)))
(pass-if "overwriting a top-level binding to a non-generic"
(eval '(define-generic foo) (current-module))
(eval '(and (is-a? foo <generic>)
(null? (generic-function-methods foo)))
- (current-module)))))
+ (current-module)))
+
+ (pass-if-exception "getters do not have setters"
+ exception:wrong-type-arg
+ (eval '(setter foo) (current-module)))))
+
+(with-test-prefix "defining methods"
+
+ (pass-if "define-method"
+ (let ((m (current-module)))
+ (eval '(define-method (my-plus (s1 <string>) (s2 <string>))
+ (string-append s1 s2))
+ m)
+ (eval '(define-method (my-plus (i1 <integer>) (i2 <integer>))
+ (+ i1 i2))
+ m)
+ (eval '(and (is-a? my-plus <generic>)
+ (= (length (generic-function-methods my-plus))
+ 2))
+ m)))
+
+ (pass-if "method-more-specific?"
+ (eval '(let* ((m+ (generic-function-methods my-plus))
+ (m1 (car m+))
+ (m2 (cadr m+))
+ (arg-types (list <string> <string>)))
+ (if (memq <string> (method-specializers m1))
+ (method-more-specific? m1 m2 arg-types)
+ (method-more-specific? m2 m1 arg-types)))
+ (current-module)))
+
+ (pass-if-exception "method-more-specific? (failure)"
+ exception:wrong-type-arg
+ (eval '(let* ((m+ (generic-function-methods my-plus))
+ (m1 (car m+))
+ (m2 (cadr m+)))
+ (method-more-specific? m1 m2 '()))
+ (current-module))))
+
+(with-test-prefix "the method cache"
+ (pass-if "defining a method with a rest arg"
+ (let ((m (current-module)))
+ (eval '(define-method (foo bar . baz)
+ (cons bar baz))
+ m)
+ (eval '(foo 1)
+ m)
+ (eval '(foo 1 2)
+ m)
+ (eval '(equal? (foo 1 2) '(1 2))
+ m))))
(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)))
+ (if (eval '(defined? 'foo-1) (current-module))
+ (throw 'unresolved))
+ (eval '(define-accessor foo-1) (current-module))
+ (eval '(and (is-a? foo-1 <generic-with-setter>)
+ (null? (generic-function-methods foo-1)))
(current-module)))
+ (pass-if "accessors have setters"
+ (procedure? (eval '(setter foo-1) (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>)
(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)))
+
+ (pass-if "changing class"
+ (let* ((c1 (class () (the-slot #:init-keyword #:value)))
+ (c2 (class () (the-slot #:init-keyword #:value)
+ (the-other-slot #:init-value 888)))
+ (o1 (make c1 #:value 777)))
+ (and (is-a? o1 c1)
+ (not (is-a? o1 c2))
+ (equal? (slot-ref o1 'the-slot) 777)
+ (let ((o2 (change-class o1 c2)))
+ (and (eq? o1 o2)
+ (is-a? o2 c2)
+ (not (is-a? o2 c1))
+ (equal? (slot-ref o2 'the-slot) 777))))))
+
+ (pass-if "`hell' in `goops.c' grows as expected"
+ ;; This snippet yielded a segfault prior to the 2008-08-19 `goops.c'
+ ;; fix (i.e., Guile 1.8.5 and earlier). The root of the problem was
+ ;; that `go_to_hell ()' would not reallocate enough room for the `hell'
+ ;; array, leading to out-of-bounds accesses.
+
+ (let* ((parent-class (class ()
+ #:name '<class-that-will-be-redefined>))
+ (classes
+ (unfold (lambda (i) (>= i 20))
+ (lambda (i)
+ (make-class (list parent-class)
+ '((the-slot #:init-value #:value)
+ (the-other-slot))
+ #:name (string->symbol
+ (string-append "<foo-to-redefine-"
+ (number->string i)
+ ">"))))
+ (lambda (i)
+ (+ 1 i))
+ 0))
+ (objects
+ (map (lambda (class)
+ (make class #:value 777))
+ classes)))
+
+ (define-method (change-class (foo parent-class)
+ (new <class>))
+ ;; Called by `scm_change_object_class ()', via `purgatory ()'.
+ (if (null? classes)
+ (next-method)
+ (let ((class (car classes))
+ (object (car objects)))
+ (set! classes (cdr classes))
+ (set! objects (cdr objects))
+
+ ;; Redefine the class so that its instances are eventually
+ ;; passed to `scm_change_object_class ()'. This leads to
+ ;; nested `scm_change_object_class ()' calls, which increases
+ ;; the size of HELL and increments N_HELL.
+ (class-redefinition class
+ (make-class '() (class-slots class)
+ #:name (class-name class)))
+
+ ;; Use `slot-ref' to trigger the `scm_change_object_class ()'
+ ;; and `go_to_hell ()' calls.
+ (slot-ref object 'the-slot)
+
+ (next-method))))
+
+
+ ;; Initiate the whole `change-class' chain.
+ (let* ((class (car classes))
+ (object (change-class (car objects) class)))
+ (is-a? object class)))))
+
+(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 "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))))
+
+(with-test-prefix "no-applicable-method"
+ (pass-if-exception "calling generic, no methods"
+ exception:no-applicable-method
+ (eval '(begin
+ (define-class <qux> ())
+ (define-generic quxy)
+ (quxy 1))
+ (current-module)))
+ (pass-if "calling generic, one method, applicable"
+ (eval '(begin
+ (define-method (quxy (q <qux>))
+ #t)
+ (define q (make <qux>))
+ (quxy q))
+ (current-module)))
+ (pass-if-exception "calling generic, one method, not applicable"
+ exception:no-applicable-method
+ (eval '(quxy 1)
+ (current-module))))