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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Sun Apr 20 07:22:46 2003
;;;; Contains: Tests of MAPCAN
(in-package :cl-test)
(compile-and-load "cons-aux.lsp")
(deftest mapcan.1
(mapcan #'list nil)
nil)
(deftest mapcan.2
(mapcan #'list (copy-list '(a b c d e f)))
(a b c d e f))
(deftest mapcan.3
(let* ((x (list 'a 'b 'c 'd))
(xcopy (make-scaffold-copy x))
(result (mapcan #'list x)))
(and
(= (length x) (length result))
(check-scaffold-copy x xcopy)
(loop
for e1 on x
and e2 on result
count (or (eqt e1 e2) (not (eql (car e1) (car e2)))))))
0)
(deftest mapcan.4
(mapcan #'list
(copy-list '(1 2 3 4))
(copy-list '(a b c d)))
(1 a 2 b 3 c 4 d))
(deftest mapcan.5
(mapcan #'(lambda (x y) (make-list y :initial-element x))
(copy-list '(a b c d))
(copy-list '(1 2 3 4)))
(a b b c c c d d d d))
(defvar *mapcan.6-var* nil)
(defun mapcan.6-fun (x)
(push x *mapcan.6-var*)
(copy-list *mapcan.6-var*))
(deftest mapcan.6
(progn
(setf *mapcan.6-var* nil)
(mapcan 'mapcan.6-fun (copy-list '(a b c d))))
(a b a c b a d c b a))
(deftest mapcan.order.1
(let ((i 0) x y z)
(values
(mapcan (progn (setf x (incf i))
#'list)
(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 mapcan.8
(mapcan #'(lambda (x y) (make-list y :initial-element x))
(copy-list '(a b c d))
(copy-list '(1 2 3 4 5 6)))
(a b b c c c d d d d))
(deftest mapcan.9
(mapcan #'(lambda (x y) (make-list y :initial-element x))
(copy-list '(a b c d e f))
(copy-list '(1 2 3 4)))
(a b b c c c d d d d))
(deftest mapcan.10
(mapcan #'list
(copy-list '(a b c d))
(copy-list '(1 2 3 4))
nil)
nil)
(deftest mapcan.11
(mapcan (constantly 1) (list 'a))
1)
(deftest mapcan.error.1
(check-type-error #'(lambda (x) (mapcan #'identity x)) #'listp)
nil)
(deftest mapcan.error.2
(signals-error (mapcan) program-error)
t)
(deftest mapcan.error.3
(signals-error (mapcan #'append) program-error)
t)
(deftest mapcan.error.4
(signals-error (locally (mapcan #'identity 1) t) type-error)
t)
(deftest mapcan.error.5
(signals-error (mapcan #'car '(a b c)) type-error)
t)
(deftest mapcan.error.6
(signals-error (mapcan #'cons '(a b c)) program-error)
t)
(deftest mapcan.error.7
(signals-error (mapcan #'cons '(a b c) '(1 2 3) '(4 5 6))
program-error)
t)
(deftest mapcan.error.8
(signals-error (mapcan #'identity (list* (list 1) (list 2) 3))
type-error)
t)
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