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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Thu Mar 27 21:29:53 2003
;;;; Contains: Tests for ENSURE-GENERIC-FUNCTION
(in-package :cl-test)
(deftest ensure-generic-function.1
(if (typep #'car 'generic-function)
t
(signals-error (ensure-generic-function 'car) error))
t)
(deftest ensure-generic-function.2
(signals-error (ensure-generic-function 'defclass) error)
t)
(deftest ensure-generic-function.3
(signals-error (ensure-generic-function 'tagbody) error)
t)
(deftest ensure-generic-function.4
(let ((f 'egf-fun-4))
(when (fboundp f) (fmakunbound f))
(values
(fboundp f)
(notnot-mv (typep (ensure-generic-function f) 'generic-function))
(notnot-mv (typep (ensure-generic-function f) 'generic-function))
(notnot-mv (typep (symbol-function f) 'generic-function))))
nil t t t)
(deftest ensure-generic-function.5
(let ((f 'egf-fun-5))
(when (fboundp f) (fmakunbound f))
(values
(fboundp f)
(notnot-mv (typep (ensure-generic-function f :lambda-list '(a b c))
'generic-function))
;; Test of incongruent generic function lambda list when no
;; methods exist
(notnot-mv (typep (ensure-generic-function f :lambda-list '(x y))
'generic-function))
(notnot-mv (typep (symbol-function f) 'generic-function))))
nil t t t)
(deftest ensure-generic-function.6
(let ((f 'egf-fun-6))
(when (fboundp f) (fmakunbound f))
(values
(fboundp f)
(notnot-mv (typep (ensure-generic-function f :lambda-list '(a b c))
'generic-function))
(notnot-mv (eval `(defmethod ,f ((a t)(b t)(c t)) (list a b c))))
;; Test of incongruent generic function lambda list when no
;; methods exist
(eval
`(signals-error (ensure-generic-function ',f :lambda-list '(x y))
error))))
nil t t t)
(deftest ensure-generic-function.7
(let ((f 'egf-fun-7))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x)
(:method ((x symbol)) (list x :a))
(:method ((x integer)) (list x :b))
(:method ((x t)) (list x :c))))))
(values
(mapcar fn '(x 2 3/2))
(eqlt fn (ensure-generic-function f :lambda-list '(x)))
(mapcar fn '(x 2 3/2)))))
((x :a) (2 :b) (3/2 :c))
t
((x :a) (2 :b) (3/2 :c)))
(deftest ensure-generic-function.8
(let ((f 'egf-fun-8))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x y)
(:method ((x t) (y symbol)) 1)
(:method ((x symbol) (y t)) 2)))))
(values
(mapcar fn '(a a 3) '(b 4 b))
(eqlt fn (ensure-generic-function f :lambda-list '(x y)
:argument-precedence-order '(y x)))
(mapcar fn '(a a 3) '(b 4 b)))))
(2 2 1)
t
(1 2 1))
(deftest ensure-generic-function.9
(let ((f 'egf-fun-9))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x)
(:method-combination +)
(:method + ((x t)) 1)
(:method + ((x symbol)) 2)
(:method + ((x (eql nil))) 4)))))
(values
(mapcar fn '(3/2 a nil))
(eqlt fn (ensure-generic-function f :lambda-list '(x)
:method-class 'standard-method))
(mapcar fn '(3/2 a nil))
(eqlt fn (ensure-generic-function f :lambda-list '(x)
:method-class
(find-class 'standard-method)))
(mapcar fn '(3/2 a nil)))))
(1 3 7)
t
(1 3 7)
t
(1 3 7))
(deftest ensure-generic-function.10
(let ((f 'egf-fun-10))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x)
(:method ((x t)) 1)))))
(values
(funcall fn 'a)
(eqlt fn (ensure-generic-function f :lambda-list '(x)
:generic-function-class
'standard-generic-function))
(funcall fn 'a)
(eqlt fn (ensure-generic-function f :lambda-list '(x)
:generic-function-class
(find-class 'standard-generic-function)))
(funcall fn 'a))))
1 t 1 t 1)
(deftest ensure-generic-function.11
(let ((f 'egf-fun-11))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x)
(:method ((x t)) 1)))))
(values
(funcall fn 'a)
(eqlt fn (eval `(macrolet ((%m (&environment env)
(ensure-generic-function ',f :lambda-list '(x)
:environment env)))
(%m))))
(funcall fn 'a))))
1 t 1)
(deftest ensure-generic-function.12
(let ((f 'egf-fun-12))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x)
(:documentation "foo")
(:method ((x t)) 1)))))
(values
(funcall fn 'a)
(or (documentation f 'function) "foo")
(eqlt fn (ensure-generic-function f :lambda-list '(x) :documentation "bar"))
(or (documentation f 'function) "bar")
(funcall fn 'a))))
1 "foo" t "bar" 1)
(deftest ensure-generic-function.13
(let ((f 'egf-fun-13))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (x y)
(declare (optimize safety (speed 0) (debug 0) (space 0)))
(:method ((x t) (y t)) (list x y))))))
(values
(funcall fn 'a 'b)
(eqlt fn (ensure-generic-function f :lambda-list '(x y)
:declare '((optimize (safety 0) (debug 2) speed (space 1)))))
(funcall fn 'a 1))))
(a b) t (a 1))
(deftest ensure-generic-function.14
(let ((f '(setf egf-fun-14)))
(when (fboundp f) (fmakunbound f))
(let ((fn (eval `(defgeneric ,f (val x)
(:method ((val t) (x cons)) (setf (car x) val))))))
(values
(let ((z (cons 'a 'b)))
(list (setf (egf-fun-14 z) 'c) z))
(eqlt fn (ensure-generic-function f :lambda-list '(val x)))
(let ((z (cons 'a 'b)))
(list (setf (egf-fun-14 z) 'c) z)))))
(c (c . b)) t (c (c . b)))
;;; Many more tests are needed for other combinations of keyword parameters
(deftest ensure-generic-function.error.1
(signals-error (ensure-generic-function) program-error)
t)
(deftest ensure-generic-function.error.2
(signals-error (ensure-generic-function (gensym) :lambda-list) program-error)
t)
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