test/lisp/obarray-tests.el

   1 ;;; obarray-tests.el --- Tests for obarray -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2015-2018 Free Software Foundation, Inc.
   4
   5 ;; Author: Przemysław Wojnowski <esperanto@cumego.com>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23
  24 ;;; Code:
  25
  26 (require 'obarray)
  27 (require 'ert)
  28
  29 (ert-deftest obarrayp-test ()
  30   "Should assert that given object is an obarray."
  31   (should-not (obarrayp 42))
  32   (should-not (obarrayp "aoeu"))
  33   (should-not (obarrayp '()))
  34   (should-not (obarrayp []))
  35   (should (obarrayp (make-vector 7 0))))
  36
  37 (ert-deftest obarrayp-unchecked-content-test ()
  38   "Should fail to check content of passed obarray."
  39   :expected-result :failed
  40   (should-not (obarrayp ["a" "b" "c"]))
  41   (should-not (obarrayp [1 2 3])))
  42
  43 (ert-deftest obarray-make-default-test ()
  44   (let ((table (obarray-make)))
  45     (should (obarrayp table))
  46     (should (eq (obarray-size table) obarray-default-size))))
  47
  48 (ert-deftest obarray-make-with-size-test ()
  49   ;; FIXME: Actually, `wrong-type-argument' is not the right error to signal,
  50   ;; so we shouldn't enforce this misbehavior in tests!
  51   (should-error (obarray-make -1) :type 'wrong-type-argument)
  52   (should-error (obarray-make 0) :type 'wrong-type-argument)
  53   (let ((table (obarray-make 1)))
  54     (should (obarrayp table))
  55     (should (eq (obarray-size table) 1))))
  56
  57 (ert-deftest obarray-get-test ()
  58   (let ((table (obarray-make 3)))
  59     (should-not (obarray-get table "aoeu"))
  60     (intern "aoeu" table)
  61     (should (string= "aoeu" (obarray-get table "aoeu")))))
  62
  63 (ert-deftest obarray-put-test ()
  64   (let ((table (obarray-make 3)))
  65     (should-not (obarray-get table "aoeu"))
  66     (should (string= "aoeu" (obarray-put table "aoeu")))
  67     (should (string= "aoeu" (obarray-get table "aoeu")))))
  68
  69 (ert-deftest obarray-remove-test ()
  70   (let ((table (obarray-make 3)))
  71     (should-not (obarray-get table "aoeu"))
  72     (should-not (obarray-remove table "aoeu"))
  73     (should (string= "aoeu" (obarray-put table "aoeu")))
  74     (should (string= "aoeu" (obarray-get table "aoeu")))
  75     (should (obarray-remove table "aoeu"))
  76     (should-not (obarray-get table "aoeu"))))
  77
  78 (ert-deftest obarray-map-test ()
  79   "Should execute function on all elements of obarray."
  80   (let* ((table (obarray-make 3))
  81          (syms '())
  82          (collect-names (lambda (sym) (push (symbol-name sym) syms))))
  83     (obarray-map collect-names table)
  84     (should (null syms))
  85     (obarray-put table "a")
  86     (obarray-put table "b")
  87     (obarray-put table "c")
  88     (obarray-map collect-names table)
  89     (should (equal (sort syms #'string<) '("a" "b" "c")))))
  90
  91 (provide 'obarray-tests)
  92 ;;; obarray-tests.el ends here