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;;; test-modeline-config-reset.el --- cj/modeline-reset -*- lexical-binding: t; -*-
;;; Commentary:
;; Tests for `cj/modeline-reset', the repair command for buffers whose
;; `mode-line-format' was hijacked buffer-locally (two-column mode, ediff,
;; calc). It kills the buffer-local value so the default format returns.
;;; Code:
(require 'ert)
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
(require 'modeline-config)
(ert-deftest test-modeline-config-reset-kills-local-format ()
"Normal: a hijacked buffer-local mode-line-format is removed."
(with-temp-buffer
(setq-local mode-line-format '("hijacked"))
(should (local-variable-p 'mode-line-format))
(cj/modeline-reset)
(should-not (local-variable-p 'mode-line-format))
(should (eq mode-line-format (default-value 'mode-line-format)))))
(ert-deftest test-modeline-config-reset-noop-without-local ()
"Boundary: harmless when the buffer has no local mode-line-format."
(with-temp-buffer
(should-not (local-variable-p 'mode-line-format))
(cj/modeline-reset)
(should-not (local-variable-p 'mode-line-format))))
(ert-deftest test-modeline-config-reset-is-a-command ()
"Normal: cj/modeline-reset is interactive."
(should (commandp #'cj/modeline-reset)))
(provide 'test-modeline-config-reset)
;;; test-modeline-config-reset.el ends here
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