blob: aa4e55e48974d6c211d57dce26cec1589ad18225 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
;;; floatfns-tests.el --- tests for floating point operations
;; Copyright 2017 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
(require 'ert)
(ert-deftest divide-extreme-sign ()
(should-error (ceiling most-negative-fixnum -1.0))
(should-error (floor most-negative-fixnum -1.0))
(should-error (round most-negative-fixnum -1.0))
(should-error (truncate most-negative-fixnum -1.0)))
(ert-deftest logb-extreme-fixnum ()
(should (= (logb most-negative-fixnum) (1+ (logb most-positive-fixnum)))))
(ert-deftest fround-fixnum ()
(should-error (ffloor 0) :type 'wrong-type-argument)
(should-error (fceiling 0) :type 'wrong-type-argument)
(should-error (ftruncate 0) :type 'wrong-type-argument)
(should-error (fround 0) :type 'wrong-type-argument))
(provide 'floatfns-tests)
|
