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emacs/test/src/eval-tests.el
Paul Eggert bc511a64f6 Prefer HTTPS to FTP and HTTP in documentation
Most of this change is to boilerplate commentary such as license URLs.
This change was prompted by ftp://ftp.gnu.org's going-away party,
planned for November.  Change these FTP URLs to https://ftp.gnu.org
instead.  Make similar changes for URLs to other organizations moving
away from FTP.  Also, change HTTP to HTTPS for URLs to gnu.org and
fsf.org when this works, as this will further help defend against
man-in-the-middle attacks (for this part I omitted the MS-DOS and
MS-Windows sources and the test tarballs to keep the workload down).
HTTPS is not fully working to lists.gnu.org so I left those URLs alone
for now.
2017-09-13 15:54:37 -07:00

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;;; eval-tests.el --- unit tests for src/eval.c -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2017 Free Software Foundation, Inc.
;; Author: Philipp Stephani <phst@google.com>
;; 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:
;; Unit tests for src/eval.c.
;;; Code:
(require 'ert)
(ert-deftest eval-tests--bug24673 ()
"Checks that Bug#24673 has been fixed."
;; This should not crash.
(should-error (funcall '(closure)) :type 'invalid-function))
(defvar byte-compile-debug)
(ert-deftest eval-tests--bugs-24912-and-24913 ()
"Checks that Emacs doesnt accept weird argument lists.
Bug#24912 and Bug#24913."
(dolist (args '((&optional) (&rest) (&optional &rest) (&rest &optional)
(&optional &rest a) (&optional a &rest)
(&rest a &optional) (&rest &optional a)
(&optional &optional) (&optional &optional a)
(&optional a &optional b)
(&rest &rest) (&rest &rest a)
(&rest a &rest b)))
(should-error (eval `(funcall (lambda ,args)) t) :type 'invalid-function)
(should-error (byte-compile-check-lambda-list args))
(let ((byte-compile-debug t))
(should-error (eval `(byte-compile (lambda ,args)) t)))))
(dolist (form '(let let*))
(dolist (arg '(1 "a" [a]))
(eval
`(ert-deftest ,(intern (format "eval-tests--%s--%s" form (type-of arg))) ()
,(format "Check that the first argument of `%s' cannot be a %s"
form (type-of arg))
(should-error (,form ,arg) :type 'wrong-type-argument))
t)))
(ert-deftest eval-tests--if-dot-string ()
"Check that Emacs rejects (if . \"string\")."
(should-error (eval '(if . "abc")) :type 'wrong-type-argument)
(let ((if-tail (list '(setcdr if-tail "abc") t)))
(should-error (eval (cons 'if if-tail))))
(let ((if-tail (list '(progn (setcdr if-tail "abc") nil) t)))
(should-error (eval (cons 'if if-tail)))))
(ert-deftest eval-tests--let-with-circular-defs ()
"Check that Emacs reports an error for (let VARS ...) when VARS is circular."
(let ((vars (list 'v)))
(setcdr vars vars)
(dolist (let-sym '(let let*))
(should-error (eval (list let-sym vars))))))
(ert-deftest eval-tests--mutating-cond ()
"Check that Emacs doesn't crash on a cond clause that mutates during eval."
(let ((clauses (list '((progn (setcdr clauses "ouch") nil)))))
(should-error (eval (cons 'cond clauses)))))
;;; eval-tests.el ends here