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;;; asm-mode-tests.el --- Tests for asm-mode.el -*- lexical-binding: t; -*-
;; Copyright (C) 2019-2025 Free Software Foundation, Inc.
;; Author: Simen Heggestøyl <simenheg@gmail.com>
;; Keywords:
;; 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/>.
;;; Commentary:
;;
;;; Code:
(require 'asm-mode)
(require 'ert)
(defmacro asm-mode-tests--with-temp-buffer (&rest body)
"Create a temporary Asm mode buffer and evaluate BODY there."
(declare (indent 0))
`(with-temp-buffer
(let ((asm-comment-char ?\;))
(asm-mode)
,@body)))
(ert-deftest asm-mode-tests-colon ()
(asm-mode-tests--with-temp-buffer
(let ((indent-tabs-mode t))
(insert "\t label")
(let ((last-command-event ?:))
(asm-colon))
(should (equal (buffer-string) "label:\t")))))
(ert-deftest asm-mode-tests-colon-inside-comment ()
(asm-mode-tests--with-temp-buffer
(insert ";comment")
(let ((last-command-event ?:))
(asm-colon))
(should (equal (buffer-string) ";comment:"))))
(ert-deftest asm-mode-tests-comment ()
(asm-mode-tests--with-temp-buffer
(insert "label:")
(goto-char (point-min))
;; First invocation
(asm-comment)
(should (string-match-p "label:[ \t]+;" (buffer-string)))
(should (= (current-column) (+ comment-column 1)))
;; Second invocation
(asm-comment)
(should (string-match-p "[ \t]+;; \nlabel:" (buffer-string)))
(should (= (current-column) (+ tab-width 3)))
;; Third invocation
(asm-comment)
(should (string-match-p ";;; \nlabel:" (buffer-string)))
(should (= (current-column) 4))))
(ert-deftest asm-mode-tests-fill-comment ()
(asm-mode-tests--with-temp-buffer
(call-interactively #'comment-dwim)
(insert "Pellentesque condimentum, magna ut suscipit hendrerit, \
ipsum augue ornare nulla, non luctus diam neque sit amet urna.")
(call-interactively #'fill-paragraph)
(should (equal (buffer-string) "\t;; Pellentesque condimentum, \
magna ut suscipit hendrerit,\n\t;; ipsum augue ornare nulla, non \
luctus diam neque sit amet\n\t;; urna."))))
;;; asm-mode-tests.el ends here
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