hg.stevelosh.com > cl-losh

test/iterate.lisp @ d05f5412e9aa default tip 

Update documentation
author Steve Losh <steve@stevelosh.com>
date Tue, 11 Nov 2025 14:34:11 -0500
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))))))