48 lines
1.6 KiB
EmacsLisp
48 lines
1.6 KiB
EmacsLisp
;;; backquote-tests.el --- Tests for backquote.el -*- lexical-binding: t -*-
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;; Copyright (C) 2019-2024 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'ert)
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(ert-deftest backquote-test-basic ()
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(let ((lst '(ba bb bc))
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(vec [ba bb bc]))
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(should (equal 3 `,(eval '(+ x y) '((x . 1) (y . 2)))))
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(should (equal vec `[,@lst]))
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(should (equal `(a lst c) '(a lst c)))
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(should (equal `(a ,lst c) '(a (ba bb bc) c)))
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(should (equal `(a ,@lst c) '(a ba bb bc c)))
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;; Vectors work just like lists.
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(should (equal `(a vec c) '(a vec c)))
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(should (equal `(a ,vec c) '(a [ba bb bc] c)))
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(should (equal `(a ,@vec c) '(a ba bb bc c)))))
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(ert-deftest backquote-test-nested ()
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"Test nested backquotes."
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(let ((lst '(ba bb bc))
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(vec [ba bb bc]))
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(should (equal `(a ,`(,@lst) c) `(a ,lst c)))
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(should (equal `(a ,`[,@lst] c) `(a ,vec c)))
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(should (equal `(a ,@`[,@lst] c) `(a ,@lst c)))))
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;;; backquote-tests.el ends here
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