code.delx.au - gnu-emacs/blob - test/automated/print-tests.el

   1 ;;; print-tests.el --- tests for src/print.c         -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2014-2015 Free Software Foundation, Inc.
   4
   5 ;; This file is part of GNU Emacs.
   6
   7 ;; This program is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation, either version 3 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; This program is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 ;;; Code:
  21
  22 (require 'ert)
  23
  24 (ert-deftest terpri ()
  25   (should (string= (with-output-to-string
  26                      (princ 'abc)
  27                      (should (terpri nil t)))
  28                    "abc\n"))
  29   (should (string= (with-output-to-string
  30                      (should-not (terpri nil t))
  31                      (princ 'xyz))
  32                    "xyz"))
  33   (message nil)
  34   (if noninteractive
  35       (progn (should            (terpri nil t))
  36              (should-not        (terpri nil t))
  37              (princ 'abc)
  38              (should            (terpri nil t))
  39              (should-not        (terpri nil t)))
  40     (should (string= (progn (should-not (terpri nil t))
  41                             (princ 'abc)
  42                             (should (terpri nil t))
  43                             (current-message))
  44                      "abc\n")))
  45   (let ((standard-output
  46          (with-current-buffer (get-buffer-create "*terpri-test*")
  47            (insert "--------")
  48            (point-max-marker))))
  49     (should     (terpri nil t))
  50     (should-not (terpri nil t))
  51     (should (string= (with-current-buffer (marker-buffer standard-output)
  52                        (buffer-string))
  53                      "--------\n"))))
  54
  55 (provide 'print-tests)
  56 ;;; print-tests.el ends here