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| | ;;; gv-tests.el --- tests for gv.el -*- lexical-binding: t; -*-
;; Copyright (C) 2017 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 <http://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(eval-when-compile (require 'cl-lib))
(cl-defmacro gv-tests--in-temp-dir ((elvar elcvar)
(&rest filebody)
&rest body)
(declare (indent 2))
`(let ((default-directory (make-temp-file "gv-test" t)))
(unwind-protect
(let ((,elvar "gv-test-deffoo.el")
(,elcvar "gv-test-deffoo.elc"))
(with-temp-file ,elvar
(insert ";; -*- lexical-binding: t; -*-\n")
(dolist (form ',filebody)
(pp form (current-buffer))))
,@body)
(delete-directory default-directory t))))
(ert-deftest gv-define-expander-in-file ()
(gv-tests--in-temp-dir (el elc)
((gv-define-setter gv-test-foo (newval cons)
`(setcar ,cons ,newval))
(defvar gv-test-pair (cons 1 2))
(setf (gv-test-foo gv-test-pair) 99)
(message "%d" (car gv-test-pair)))
(with-temp-buffer
(call-process (concat invocation-directory invocation-name)
nil '(t t) nil
"-Q" "-batch" "--eval" (prin1-to-string `(byte-compile-file ,el))
"-l" elc)
(should (equal (buffer-string) "99\n")))))
(ert-deftest gv-define-expander-in-file-twice ()
(gv-tests--in-temp-dir (el elc)
((gv-define-setter gv-test-foo (newval cons)
`(setcar ,cons ,newval))
(defvar gv-test-pair (cons 1 2))
(setf (gv-test-foo gv-test-pair) 99)
(gv-define-setter gv-test-foo (newval cons)
`(setcdr ,cons ,newval))
(setf (gv-test-foo gv-test-pair) 42)
(message "%S" gv-test-pair))
(with-temp-buffer
(call-process (concat invocation-directory invocation-name)
nil '(t t) nil
"-Q" "-batch" "--eval" (prin1-to-string `(byte-compile-file ,el))
"-l" elc)
(should (equal (buffer-string) "(99 . 42)\n")))))
(ert-deftest gv-dont-define-expander-in-file ()
;; The expander is defined while we are compiling the file, even
;; though it's inside (when nil ...) because the compiler won't
;; analyze the conditional.
:expected-result :failed
(gv-tests--in-temp-dir (el elc)
((when nil (gv-define-setter gv-test-foo (newval cons)
`(setcar ,cons ,newval)))
(defvar gv-test-pair (cons 1 2))
(setf (gv-test-foo gv-test-pair) 99)
(message "%d" (car gv-test-pair)))
(with-temp-buffer
(call-process (concat invocation-directory invocation-name)
nil '(t t) nil
"-Q" "-batch" "--eval" (prin1-to-string `(byte-compile-file ,el))
"-l" elc)
(should (equal (buffer-string)
"Symbol's function definition is void: \\(setf\\ gv-test-foo\\)\n")))))
(ert-deftest gv-define-expander-in-function ()
;; The expander is not defined while we are compiling the file, the
;; compiler won't handle gv definitions not at top-level.
:expected-result :failed
(gv-tests--in-temp-dir (el elc)
((defun foo ()
(gv-define-setter gv-test-foo (newval cons)
`(setcar ,cons ,newval))
t)
(defvar gv-test-pair (cons 1 2))
(setf (gv-test-foo gv-test-pair) 99)
(message "%d" (car gv-test-pair)))
(with-temp-buffer
(call-process (concat invocation-directory invocation-name)
nil '(t t) nil
"-Q" "-batch" "--eval" (prin1-to-string `(byte-compile-file ,el))
"-l" elc)
(should (equal (buffer-string) "99\n")))))
(ert-deftest gv-define-expander-out-of-file ()
(gv-tests--in-temp-dir (el elc)
((gv-define-setter gv-test-foo (newval cons)
`(setcar ,cons ,newval))
(defvar gv-test-pair (cons 1 2)))
(with-temp-buffer
(call-process (concat invocation-directory invocation-name)
nil '(t t) nil
"-Q" "-batch" "--eval" (prin1-to-string `(byte-compile-file ,el))
"-l" elc
"--eval"
(prin1-to-string '(progn (setf (gv-test-foo gv-test-pair) 99)
(message "%d" (car gv-test-pair)))))
(should (equal (buffer-string) "99\n")))))
(ert-deftest gv-dont-define-expander-other-file ()
(gv-tests--in-temp-dir (el elc)
((if nil (gv-define-setter gv-test-foo (newval cons)
`(setcar ,cons ,newval)))
(defvar gv-test-pair (cons 1 2)))
(with-temp-buffer
(call-process (concat invocation-directory invocation-name)
nil '(t t) nil
"-Q" "-batch" "--eval" (prin1-to-string `(byte-compile-file ,el))
"-l" elc
"--eval"
(prin1-to-string '(progn (setf (gv-test-foo gv-test-pair) 99)
(message "%d" (car gv-test-pair)))))
(should (equal (buffer-string)
"Symbol's function definition is void: \\(setf\\ gv-test-foo\\)\n")))))
;;; gv-tests.el ends here
|