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Diffstat (limited to 'test/automated/bindings.el')
-rw-r--r-- | test/automated/bindings.el | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/automated/bindings.el b/test/automated/bindings.el new file mode 100644 index 00000000000..4b88baeef40 --- /dev/null +++ b/test/automated/bindings.el @@ -0,0 +1,99 @@ +;;; bindings.el --- tests for variable bindings + +;; Copyright (C) 2012 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: + +(defvar binding-test-buffer-A (get-buffer-create "A")) +(defvar binding-test-buffer-B (get-buffer-create "B")) + +(defvar binding-test-always-local 'always) +(make-variable-buffer-local 'binding-test-always-local) + +(defvar binding-test-some-local 'some) +(with-current-buffer binding-test-buffer-A + (set (make-local-variable 'binding-test-some-local) 'local)) + +(ert-deftest binding-test-manual () + "A test case from the elisp manual." + (save-excursion + (set-buffer binding-test-buffer-A) + (let ((binding-test-some-local 'something-else)) + (should (eq binding-test-some-local 'something-else)) + (set-buffer binding-test-buffer-B) + (should (eq binding-test-some-local 'some))) + (should (eq binding-test-some-local 'some)) + (set-buffer binding-test-buffer-A) + (should (eq binding-test-some-local 'local)))) + +(ert-deftest binding-test-setq-default () + "Test that a setq-default has no effect when there is a local binding." + (save-excursion + (set-buffer binding-test-buffer-B) + ;; This variable is not local in this buffer. + (let ((binding-test-some-local 'something-else)) + (setq-default binding-test-some-local 'new-default)) + (should (eq binding-test-some-local 'some)))) + +(ert-deftest binding-test-makunbound () + "Tests of makunbound, from the manual." + (save-excursion + (set-buffer binding-test-buffer-B) + (should (boundp 'binding-test-some-local)) + (let ((binding-test-some-local 'outer)) + (let ((binding-test-some-local 'inner)) + (makunbound 'binding-test-some-local) + (should (not (boundp 'binding-test-some-local)))) + (should (and (boundp 'binding-test-some-local) + (eq binding-test-some-local 'outer)))))) + +(ert-deftest binding-test-defvar-bool () + "Test DEFVAR_BOOL" + (let ((display-hourglass 5)) + (should (eq display-hourglass t)))) + +(ert-deftest binding-test-defvar-int () + "Test DEFVAR_INT" + (should-error (setq gc-cons-threshold 5.0) :type 'wrong-type-argument)) + +(ert-deftest binding-test-set-constant-t () + "Test setting the constant t" + (should-error (setq t 'bob) :type 'setting-constant)) + +(ert-deftest binding-test-set-constant-nil () + "Test setting the constant nil" + (should-error (setq nil 'bob) :type 'setting-constant)) + +(ert-deftest binding-test-set-constant-keyword () + "Test setting a keyword constant" + (should-error (setq :keyword 'bob) :type 'setting-constant)) + +(ert-deftest binding-test-set-constant-nil () + "Test setting a keyword to itself" + (should (setq :keyword :keyword))) + +;; More tests to write - +;; kill-local-variable +;; defconst; can modify +;; defvar and defconst modify the local binding [ doesn't matter for us ] +;; various kinds of special internal forwarding objects +;; a couple examples in manual, not enough +;; frame-local vars +;; variable aliases + +;;; bindings.el ends here |