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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Sun Apr 20 07:24:28 2003
;;;; Contains: Tests of MAPCON
(in-package :cl-test)
(compile-and-load "cons-aux.lsp")
(deftest mapcon.1
(mapcon #'(lambda (x) (append '(a) x nil)) nil)
nil)
(deftest mapcon.2
(let* ((x (copy-list '(1 2 3 4)))
(xcopy (make-scaffold-copy x))
(result
(mapcon #'(lambda (y) (append '(a) y nil)) x)))
(and
(check-scaffold-copy x xcopy)
result))
(a 1 2 3 4 a 2 3 4 a 3 4 a 4))
(deftest mapcon.3
(let* ((x (copy-list '(4 2 3 2 2)))
(y (copy-list '(a b c d e f g h i j k l)))
(xcopy (make-scaffold-copy x))
(ycopy (make-scaffold-copy y))
(result
(mapcon #'(lambda (xt yt)
(subseq yt 0 (car xt)))
x y)))
(and
(check-scaffold-copy x xcopy)
(check-scaffold-copy y ycopy)
result))
(a b c d b c c d e d e e f))
(deftest mapcon.4
(mapcon (constantly 1) (list 'a))
1)
(deftest mapcon.order.1
(let ((i 0) x y z)
(values
(mapcon (progn (setf x (incf i))
#'(lambda (x y) (list (car x) (car y))))
(progn (setf y (incf i))
'(a b c))
(progn (setf z (incf i))
'(1 2 3)))
i x y z))
(a 1 b 2 c 3)
3 1 2 3)
(deftest mapcon.error.1
(check-type-error #'(lambda (x) (mapcon #'identity x)) #'listp)
nil)
(deftest mapcon.error.2
(signals-error (mapcon) program-error)
t)
(deftest mapcon.error.3
(signals-error (mapcon #'append) program-error)
t)
(deftest mapcon.error.4
(signals-error (locally (mapcon #'identity 1) t) type-error)
t)
(deftest mapcon.error.5
(signals-error (mapcon #'caar '(a b c)) type-error)
t)
(deftest mapcon.error.6
(signals-error (mapcon #'cons '(a b c)) program-error)
t)
(deftest mapcon.error.7
(signals-error (mapcon #'cons '(a b c) '(1 2 3) '(4 5 6)) program-error)
t)
(deftest mapcon.error.8
(signals-error (mapcon #'copy-tree (cons 1 2)) type-error)
t)
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