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;;; imenu-tests.el --- Test suite for imenu.
;; Copyright (C) 2013-2019 Free Software Foundation, Inc.
;; Author: Masatake YAMATO <yamato@redhat.com>
;; Keywords: tools convenience
;; 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/>.
;;; Code:
(require 'ert)
(require 'imenu)
;; (imenu-simple-scan-deftest-gather-strings-from-list
;; '(nil t 'a (0 . "x") ("c" . "d") ("a" 0 "b") ))
;; => ("b" "a" "d" "c" "x")
(defun imenu-simple-scan-deftest-gather-strings-from-list(input)
"Gather strings from INPUT, a list."
(let ((result ()))
(while input
(cond
((stringp input)
(setq result (cons input result)
input nil))
((atom input)
(setq input nil))
((listp (car input))
(setq result (append
(imenu-simple-scan-deftest-gather-strings-from-list (car input))
result)
input (cdr input)))
((stringp (car input))
(setq result (cons (car input) result)
input (cdr input)))
(t
(setq input (cdr input)))))
result))
(defmacro imenu-simple-scan-deftest (name doc major-mode content expected-items)
"Generate an ert test for mode-own imenu expression.
Run `imenu-create-index-function' at the buffer which content is
CONTENT with MAJOR-MODE. A generated test runs `imenu-create-index-function'
at the buffer which content is CONTENT with MAJOR-MODE. Then it compares a list
of strings which are picked up from the result with EXPECTED-ITEMS."
(let ((xname (intern (concat "imenu-simple-scan-deftest-" (symbol-name name)))))
`(ert-deftest ,xname ()
,doc
(with-temp-buffer
(insert ,content)
(funcall ',major-mode)
(let ((result-items (sort (imenu-simple-scan-deftest-gather-strings-from-list
(funcall imenu-create-index-function))
#'string-lessp))
(expected-items (sort (copy-sequence ,expected-items) #'string-lessp)))
(should (equal result-items expected-items))
)))))
(imenu-simple-scan-deftest sh "Test imenu expression for sh-mode." sh-mode "a()
{
}
function b
{
}
function c()
{
}
function ABC_D()
{
}
" '("a" "b" "c" "ABC_D"))
(ert-deftest imenu--sort-by-position-pairs ()
(should (imenu--sort-by-position '("a" . 2) '("a" . 3)))
(should-not (imenu--sort-by-position '("a" . 3) '("a" . 2))))
;; Regression test for bug#26457: 25.2; Cannot pass a function to
;; imenu-generic-expression
(ert-deftest imenu--sort-by-position-list ()
(should (imenu--sort-by-position '("a" 2 nil) '("a" 3 nil)))
(should-not (imenu--sort-by-position '("a" 3 nil) '("a" 2 nil))))
(provide 'imenu-tests)
;;; imenu-tests.el ends here
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