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;;; backquote-tests.el --- Tests for backquote.el -*- lexical-binding: t -*-
;; Copyright (C) 2019 Free Software Foundation, Inc.
;; 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 'ert)
(ert-deftest backquote-test-basic ()
(let ((lst '(ba bb bc))
(vec [ba bb bc]))
(should (equal 3 `,(eval '(+ x y) '((x . 1) (y . 2)))))
(should (equal vec `[,@lst]))
(should (equal `(a lst c) '(a lst c)))
(should (equal `(a ,lst c) '(a (ba bb bc) c)))
(should (equal `(a ,@lst c) '(a ba bb bc c)))
;; Vectors work just like lists.
(should (equal `(a vec c) '(a vec c)))
(should (equal `(a ,vec c) '(a [ba bb bc] c)))
(should (equal `(a ,@vec c) '(a ba bb bc c)))))
(ert-deftest backquote-test-nested ()
"Test nested backquotes."
(let ((lst '(ba bb bc))
(vec [ba bb bc]))
(should (equal `(a ,`(,@lst) c) `(a ,lst c)))
(should (equal `(a ,`[,@lst] c) `(a ,vec c)))
(should (equal `(a ,@`[,@lst] c) `(a ,@lst c)))))
;;; backquote-tests.el ends here
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