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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Sun Oct 6 20:04:33 2002
;;;; Contains: Tests for COMPLEMENT
(in-package :cl-test)
(deftest complement.1
(notnot-mv (funcall (complement #'identity) nil))
t)
(deftest complement.2
(funcall (complement #'identity) t)
nil)
(deftest complement.3
(check-predicate
#'(lambda (x) (eql (funcall (cl::complement #'not) x)
(not (not x)))))
nil)
(deftest complement.4
(let ((x '(#\b)))
(loop for i from 2 to (min 256 (1- call-arguments-limit))
always (progn
(push #\a x)
(apply (complement #'char=) x))))
t)
(deftest complement.5
(notnot-mv (complement #'identity))
t)
(deftest complement.6
(flet ((%f (&rest args) (notnot (evenp (length args)))))
(let ((cf (complement #'%f)))
(values
(%f) (%f 'a) (%f 'a 'b) (%f 'a 'b 'c)
(funcall cf) (funcall cf 'a) (funcall cf 'a 'b) (funcall cf 'a 'b 'c))))
t nil t nil
nil t nil t)
(deftest complement.7
(flet ((%f (&optional x y) (if x (not y) y)))
(let ((cf (complement #'%f)))
(values
(%f) (%f nil) (%f t) (%f nil nil) (%f t nil) (%f nil t) (%f t t)
(funcall cf) (funcall cf nil) (funcall cf t)
(funcall cf nil nil) (funcall cf t nil)
(funcall cf nil t) (funcall cf t t))))
nil nil t nil t t nil
t t nil t nil nil t)
(deftest complement.8
(flet ((%f (&key x y) (if x (not y) y)))
(let ((cf (complement #'%f)))
(values
(list
(%f)
(%f :x nil) (%f :x t)
(%f :y nil) (%f :y t :y nil)
(%f :x nil :y nil) (%f :x t :y nil)
(%f :y t :x nil) (%f :x t :y t))
(list
(funcall cf) (funcall cf :x nil) (funcall cf :x t)
(funcall cf :y nil) (funcall cf :y t)
(funcall cf :x nil :y nil) (funcall cf :x t :y nil)
(funcall cf :y t :x nil) (funcall cf :x t :y t :x nil))
(list
(funcall cf :x nil :y t :foo nil :allow-other-keys t)
(funcall cf :x nil :y t :allow-other-keys nil)))))
(nil nil t nil t nil t t nil)
(t t nil t nil t nil nil t)
(nil nil))
(deftest complement.9
(let ((sym (gensym)))
(eval `(defgeneric ,sym (x y)))
(eval `(defmethod ,sym ((x integer) (y integer)) (evenp (+ x y))))
(eval `(defmethod ,sym ((x t) (y t)) nil))
(let ((cf (complement (symbol-function sym))))
(values (funcall cf 'a 'b)
(funcall cf 0 0)
(funcall cf 0 1)
(funcall cf 1 0)
(funcall cf 1 1))))
t nil t t nil)
(deftest complement.10
(let ((cf (complement (compile nil '(lambda (x y) (evenp (+ x y)))))))
(values (funcall cf 0 0)
(funcall cf 0 1)
(funcall cf 1 0)
(funcall cf 1 1)))
nil t t nil)
(deftest complement.order.1
(let ((i 0))
(let ((fn (complement (progn (incf i) #'null))))
(values
i
(mapcar fn '(a b nil c 1 nil t nil))
i)))
1 (t t nil t t nil t nil) 1)
;;; Error tests
(deftest complement.error.1
(signals-error (complement) program-error)
t)
(deftest complement.error.2
(signals-error (complement #'not t) program-error)
t)
(deftest complement.error.3
(signals-error (funcall (complement #'identity))
program-error)
t)
(deftest complement.error.4
(signals-error (funcall (complement #'identity) t t)
program-error)
t)
(deftest complement.error.5
(signals-error (funcall (complement #'(lambda (&key) t)) :foo t) program-error)
t)
(deftest complement.error.6
(signals-error (funcall (complement #'(lambda (&key) t)) :allow-other-keys nil
:allow-other-keys t :foo t) program-error)
t)
(deftest complement.error.7
(signals-error (funcall (complement #'(lambda (x &rest y) (and x (evenp (length y))))))
program-error)
t)
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