defgeneric-method-combination-list.lsp 7 KB
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;-*- Mode:     Lisp -*-
;;;; Author:   Paul Dietz
;;;; Created:  Sat May 24 21:31:55 2003
;;;; Contains: Tests of DEFGENERIC with :method-combination LIST

(in-package :cl-test)

(declaim (special *x*))

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(compile-and-load "defgeneric-method-combination-aux.lsp")

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(deftest defgeneric-method-combination.list.1
  (let ((*x* nil)
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        (fn
         (eval '(defgeneric dg-mc.fun.list.1 (x)
                  (:method-combination list)
                  (:method list ((x integer)) (car (push 'd *x*)))
                  (:method list ((x rational)) (car (push 'c *x*)))
                  (:method list ((x number)) (car (push 'b *x*)))
                  (:method list ((x t)) (car (push 'a *x*)))))))
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    (declare (type generic-function fn))
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    (flet ((%f (y)
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               (let ((*x* nil))
                 (list (funcall fn y) *x*))))
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    (values (%f 1) (%f 2/3) (%f 1.54) (%f 'a))))
  ((d c b a) (a b c d))
  ((c b a) (a b c))
  ((b a) (a b))
  ((a) (a)))

(deftest defgeneric-method-combination.list.2
  (let ((*x* nil)
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        (fn
         (eval '(defgeneric dg-mc.fun.list.2 (x)
                  (:method-combination list :most-specific-first)
                  (:method list ((x integer)) (car (push 'd *x*)))
                  (:method list ((x rational)) (car (push 'c *x*)))
                  (:method list ((x number)) (car (push 'b *x*)))
                  (:method list ((x t)) (car (push 'a *x*)))))))
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    (declare (type generic-function fn))
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    (flet ((%f (y)
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               (let ((*x* nil))
                 (list (funcall fn y) *x*))))
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    (values (%f 1) (%f 2/3) (%f 1.54) (%f 'a))))
  ((d c b a) (a b c d))
  ((c b a) (a b c))
  ((b a) (a b))
  ((a) (a)))

(deftest defgeneric-method-combination.list.3
  (let ((*x* nil)
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        (fn
         (eval '(defgeneric dg-mc.fun.list.3 (x)
                  (:method-combination list :most-specific-last)
                  (:method list ((x integer)) (car (push 'd *x*)))
                  (:method list ((x rational)) (car (push 'c *x*)))
                  (:method list ((x number)) (car (push 'b *x*)))
                  (:method list ((x t)) (car (push 'a *x*)))))))
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    (declare (type generic-function fn))
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    (flet ((%f (y)
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               (let ((*x* nil))
                 (list (funcall fn y) *x*))))
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    (values (%f 1) (%f 2/3) (%f 1.54) (%f 'a))))
  ((a b c d) (d c b a))
  ((a b c) (c b a))
  ((a b) (b a))
  ((a) (a)))

(deftest defgeneric-method-combination.list.4
  (let ((fn
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         (eval '(defgeneric dg-mc.fun.list.4 (x)
                  (:method-combination list)
                  (:method list ((x integer)) '(a b))
                  (:method :around ((x rational)) 'foo)
                  (:method list ((x number)) '(c d))
                  (:method list ((x symbol)) '(e f))
                  (:method list ((x t)) '(g h))))))
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    (declare (type generic-function fn))
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    (values
     (funcall fn 0)
     (funcall fn 4/3)
     (funcall fn 1.54)
     (funcall fn 'x)
     (funcall fn '(a b c))))
  foo foo ((c d) (g h)) ((e f) (g h)) ((g h)))

(deftest defgeneric-method-combination.list.5
  (let ((fn
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         (eval '(defgeneric dg-mc.fun.list.5 (x)
                  (:method-combination list)
                  (:method list ((x integer)) 'a)
                  (:method :around ((x rational))
                           (list 'foo (call-next-method)))
                  (:method list ((x number)) 'b)
                  (:method list ((x symbol)) 'c)
                  (:method list ((x t)) 'd)))))
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    (declare (type generic-function fn))
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    (values
     (funcall fn 0)
     (funcall fn 4/3)
     (funcall fn 1.54)
     (funcall fn 'x)
     (funcall fn '(a b c))))
  (foo (a b d)) (foo (b d)) (b d) (c d) (d))

(deftest defgeneric-method-combination.list.6
  (let ((fn
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         (eval '(defgeneric dg-mc.fun.list.6 (x)
                  (:method-combination list)
                  (:method list ((x integer)) 'a)
                  (:method :around ((x rational))
                           (list 'foo (call-next-method)))
                  (:method :around ((x real))
                           (list 'bar (call-next-method)))
                  (:method list ((x number)) 'b)
                  (:method list ((x symbol)) 'c)
                  (:method list ((x t)) 'd)))))
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    (declare (type generic-function fn))
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    (values
     (funcall fn 0)
     (funcall fn 4/3)
     (funcall fn 1.54)
     (funcall fn #c(1.0 2.0))
     (funcall fn 'x)
     (funcall fn '(a b c))))
  (foo (bar (a b d))) (foo (bar (b d))) (bar (b d)) (b d) (c d) (d))

(deftest defgeneric-method-combination.list.7
  (let ((fn
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         (eval '(defgeneric dg-mc.fun.list.7 (x)
                  (:method-combination list)
                  (:method list ((x dgmc-class-04)) 'a)
                  (:method list ((x dgmc-class-03)) 'b)
                  (:method list ((x dgmc-class-02)) 'c)
                  (:method list ((x dgmc-class-01)) 'd)))))
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    (declare (type generic-function fn))
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    (values
     (funcall fn (make-instance 'dgmc-class-01))
     (funcall fn (make-instance 'dgmc-class-02))
     (funcall fn (make-instance 'dgmc-class-03))
     (funcall fn (make-instance 'dgmc-class-04))))
  (d)
  (c d)
  (b d)
  (a c b d))

(deftest defgeneric-method-combination.list.8
  (let ((fn
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         (eval '(defgeneric dg-mc.list.8 (x)
                  (:method-combination list)
                  (:method list ((x (eql 1000))) 'a)
                  (:method :around ((x symbol)) (values))
                  (:method :around ((x integer)) (values 'a 'b 'c))
                  (:method :around ((x complex)) (call-next-method))
                  (:method :around ((x number)) (values 1 2 3 4 5 6))
                  (:method list ((x t)) 'b)))))
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    (declare (type generic-function fn))
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    (values
     (multiple-value-list (funcall fn 'a))
     (multiple-value-list (funcall fn 10))
     (multiple-value-list (funcall fn #c(9 8)))
     (multiple-value-list (funcall fn '(a b c)))))
  () (a b c) (1 2 3 4 5 6) ((b)))
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(deftest defgeneric-method-combination.list.9
  (handler-case
   (let ((fn (eval '(defgeneric dg-mc.list.9 (x)
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                      (:method-combination list)))))
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     (declare (type generic-function fn))
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     (funcall fn (list 'a)))
   (error () :error))
  :error)

(deftest defgeneric-method-combination.list.10
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  (progn
    (eval '(defgeneric dg-mc.list.10 (x)
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             (:method-combination list)
             (:method ((x t)) (list 'a))))
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    (handler-case
     (dg-mc.list.10 'a)
     (error () :error)))
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  :error)

(deftest defgeneric-method-combination.list.11
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  (progn
    (eval '(defgeneric dg-mc.list.11 (x)
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             (:method-combination list)
             (:method nonsense ((x t)) (list 'a))))
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    (handler-case
     (dg-mc.list.11 0)
     (error () :error)))
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  :error)

(deftest defgeneric-method-combination.list.12
  (let ((fn (eval '(defgeneric dg-mc.list.12 (x)
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                     (:method-combination list)
                     (:method :around ((x t)) (list 'a))
                     (:method list ((x integer)) x)))))
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    (declare (type generic-function fn))
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    (handler-case (funcall fn (list 'b))
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                  (error () :error)))
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  :error)