test/src/print-tests.el

   1 ;;; print-tests.el --- tests for src/print.c         -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2014-2017 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 <https://www.gnu.org/licenses/>.
  19
  20 ;;; Code:
  21
  22 (require 'ert)
  23
  24 (ert-deftest print-hex-backslash ()
  25   (should (string= (let ((print-escape-multibyte t)
  26                          (print-escape-newlines t))
  27                      (prin1-to-string "\u00A2\ff"))
  28                    "\"\\x00a2\\ff\"")))
  29
  30 (ert-deftest terpri ()
  31   (should (string= (with-output-to-string
  32                      (princ 'abc)
  33                      (should (terpri nil t)))
  34                    "abc\n"))
  35   (should (string= (with-output-to-string
  36                      (should-not (terpri nil t))
  37                      (princ 'xyz))
  38                    "xyz"))
  39   (message nil)
  40   (if noninteractive
  41       (progn (should            (terpri nil t))
  42              (should-not        (terpri nil t))
  43              (princ 'abc)
  44              (should            (terpri nil t))
  45              (should-not        (terpri nil t)))
  46     (should (string= (progn (should-not (terpri nil t))
  47                             (princ 'abc)
  48                             (should (terpri nil t))
  49                             (current-message))
  50                      "abc\n")))
  51   (let ((standard-output
  52          (with-current-buffer (get-buffer-create "*terpri-test*")
  53            (insert "--------")
  54            (point-max-marker))))
  55     (should     (terpri nil t))
  56     (should-not (terpri nil t))
  57     (should (string= (with-current-buffer (marker-buffer standard-output)
  58                        (buffer-string))
  59                      "--------\n"))))
  60
  61 (provide 'print-tests)
  62 ;;; print-tests.el ends here