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76 lines
2.1 KiB
EmacsLisp
76 lines
2.1 KiB
EmacsLisp
;;; lexbind-tests.el --- Testing the lexbind byte-compiler
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;; Copyright (C) 2011-2016 Free Software Foundation, Inc.
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;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
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;; Keywords:
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;; This program 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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;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'ert)
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(defconst lexbind-tests
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`(
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(let ((f #'car))
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(let ((f (lambda (x) (cons (funcall f x) (cdr x)))))
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(funcall f '(1 . 2))))
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)
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"List of expression for test.
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Each element will be executed by interpreter and with
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bytecompiled code, and their results compared.")
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(defun lexbind-check-1 (pat)
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"Return non-nil if PAT is the same whether directly evalled or compiled."
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(let ((warning-minimum-log-level :emergency)
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(byte-compile-warnings nil)
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(v0 (condition-case nil
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(eval pat t)
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(error nil)))
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(v1 (condition-case nil
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(funcall (let ((lexical-binding t))
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(byte-compile `(lambda nil ,pat))))
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(error nil))))
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(equal v0 v1)))
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(put 'lexbind-check-1 'ert-explainer 'lexbind-explain-1)
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(defun lexbind-explain-1 (pat)
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(let ((v0 (condition-case nil
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(eval pat t)
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(error nil)))
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(v1 (condition-case nil
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(funcall (let ((lexical-binding t))
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(byte-compile (list 'lambda nil pat))))
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(error nil))))
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(format "Expression `%s' gives `%s' if directly evalled, `%s' if compiled."
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pat v0 v1)))
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(ert-deftest lexbind-tests ()
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"Test the Emacs byte compiler lexbind handling."
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(dolist (pat lexbind-tests)
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(should (lexbind-check-1 pat))))
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(provide 'lexbind-tests)
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;;; lexbind-tests.el ends here
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