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;;; completion-tests.el --- Tests for completion functions -*- lexical-binding: t; -*-
;; Copyright (C) 2013-2018 Free Software Foundation, Inc.
;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
;; Keywords:
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(eval-when-compile (require 'cl-lib))
(ert-deftest completion-test1 ()
(with-temp-buffer
(cl-flet* ((test/completion-table (_string _pred action)
(if (eq action 'lambda)
nil
"test: "))
(test/completion-at-point ()
(list (copy-marker (point-min))
(copy-marker (point))
#'test/completion-table)))
(let ((completion-at-point-functions (list #'test/completion-at-point)))
(insert "TEST")
(completion-at-point)
(should (equal (buffer-string)
"test: "))))))
(ert-deftest completion-table-with-predicate-test ()
(let ((full-collection
'("apple" ; Has A.
"beet" ; Has B.
"banana" ; Has A & B.
"cherry" ; Has neither.
))
(no-A (lambda (x) (not (string-match-p "a" x))))
(no-B (lambda (x) (not (string-match-p "b" x)))))
(should
(member "cherry"
(completion-table-with-predicate
full-collection no-A t "" no-B t)))
(should-not
(member "banana"
(completion-table-with-predicate
full-collection no-A t "" no-B t)))
;; "apple" should still match when strict is nil.
(should (eq t (try-completion
"apple"
(apply-partially
'completion-table-with-predicate
full-collection no-A nil)
no-B)))
;; "apple" should still match when strict is nil and pred2 is nil
;; (Bug#27841).
(should (eq t (try-completion
"apple"
(apply-partially
'completion-table-with-predicate
full-collection no-A nil))))))
(provide 'completion-tests)
;;; completion-tests.el ends here
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