hg.stevelosh.com > cl-losh

test/iterate.lisp @ 0711b20b976c default tip 

Update documentation
author Steve Losh <steve@stevelosh.com>
date Fri, 02 Oct 2026 11:39:39 -0400
parents 72fe2afc82c7
children (none) 
(in-package :losh.test)


(define-test within-radius
  (is (equal '(-1 0 1)  (iterate (for (x) :within-radius 1)                             (collect x))))
  (is (equal '(-1 1)    (iterate (for (x) :within-radius 1 :skip-origin t)              (collect x))))
  (is (equal '(9 10 11) (iterate (for (x) :within-radius 1                :origin (10)) (collect x))))
  (is (equal '(9 11)    (iterate (for (x) :within-radius 1 :skip-origin t :origin (10)) (collect x))))

  (is (equal '((-1 -1) (-1 0) (-1 1) (0 -1) (0 0) (0 1) (1 -1) (1 0) (1 1))
             (iterate (for (x y) :within-radius 1) (collect (list x y)))))

  (is (equal '((-1 -1) (-1 0) (-1 1) (0 -1) (0 1) (1 -1) (1 0) (1 1))
             (iterate (for (x y) :within-radius 1 :skip-origin t)
                      (collect (list x y)))))

  (is (equal '((9 99) (9 100) (9 101) (10 99) (10 101) (11 99) (11 100) (11 101))
             (iterate (for (x y) :within-radius 1 :skip-origin t :origin (10 100))
                      (collect (list x y)))))

  (is (equal '((8 98) (8 99) (8 100) (8 101) (8 102)
               (9 98) (9 99) (9 100) (9 101) (9 102)
               (10 98) (10 99) (10 101) (10 102)
               (11 98) (11 99) (11 100) (11 101) (11 102)
               (12 98) (12 99) (12 100) (12 101) (12 102))
             (iterate (for (x y) :within-radius 2 :skip-origin t :origin (10 100))
                      (collect (list x y)))))

  (is (equal '((9 99 999) (9 99 1000) (9 99 1001)
               (9 100 999) (9 100 1000) (9 100 1001)
               (9 101 999) (9 101 1000) (9 101 1001)
               (10 99 999) (10 99 1000) (10 99 1001)
               (10 100 999) (10 100 1001)
               (10 101 999) (10 101 1000) (10 101 1001)
               (11 99 999) (11 99 1000) (11 99 1001)
               (11 100 999) (11 100 1000) (11 100 1001)
               (11 101 999) (11 101 1000) (11 101 1001))
             (iterate (for (x y z) :within-radius 1 :skip-origin t :origin (10 100 1000))
                      (collect (list x y z))))))