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guile/test-suite/tests/sort.test
2005-05-23 19:57:22 +00:00

65 lines
2.4 KiB
Scheme

;;;; sort.test --- tests Guile's sort functions -*- scheme -*-
;;;; Copyright (C) 2003 Free Software Foundation, Inc.
;;;;
;;;; This program is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation; either version 2, or (at your option)
;;;; any later version.
;;;;
;;;; This program is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;;; GNU General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU General Public License
;;;; along with this software; see the file COPYING. If not, write to
;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;;;; Boston, MA 02110-1301 USA
(use-modules (test-suite lib))
(define (randomize-vector! v n)
(array-index-map! v (lambda (i) (random n)))
v)
(with-test-prefix "sort"
(pass-if-exception "less function taking less than two arguments"
exception:wrong-type-arg
(sort '(1 2) (lambda (x) #t)))
(pass-if-exception "less function taking more than two arguments"
exception:wrong-type-arg
(sort '(1 2) (lambda (x y z) z)))
(pass-if "sort!"
(let ((v (randomize-vector! (make-vector 1000) 1000)))
(sorted? (sort! v <) <)))
(pass-if "sort! of non-contigous vector"
(let* ((a (make-array 0 1000 3))
(v (make-shared-array a (lambda (i) (list i 0)) 1000)))
(randomize-vector! v 1000)
(sorted? (sort! v <) <)))
(pass-if "sort! of negative-increment vector"
(let* ((a (make-array 0 1000 3))
(v (make-shared-array a (lambda (i) (list (- 999 i) 0)) 1000)))
(randomize-vector! v 1000)
(sorted? (sort! v <) <)))
(pass-if "stable-sort!"
(let ((v (randomize-vector! (make-vector 1000) 1000)))
(sorted? (stable-sort! v <) <)))
(pass-if "stable-sort! of non-contigous vector"
(let* ((a (make-array 0 1000 3))
(v (make-shared-array a (lambda (i) (list i 0)) 1000)))
(randomize-vector! v 1000)
(sorted? (stable-sort! v <) <)))
(pass-if "stable-sort! of negative-increment vector"
(let* ((a (make-array 0 1000 3))
(v (make-shared-array a (lambda (i) (list (- 999 i) 0)) 1000)))
(randomize-vector! v 1000)
(sorted? (stable-sort! v <) <))))