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108 lines
3.6 KiB
EmacsLisp
108 lines
3.6 KiB
EmacsLisp
;;; subr-tests.el --- Tests for subr.el
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;; Copyright (C) 2015 Free Software Foundation, Inc.
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;; Author: Oleh Krehel <ohwoeowho@gmail.com>,
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;; Nicolas Petton <nicolas@petton.fr>
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;; Keywords:
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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 <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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(ert-deftest let-when-compile ()
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;; good case
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(should (equal (macroexpand '(let-when-compile ((foo (+ 2 3)))
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(setq bar (eval-when-compile (+ foo foo)))
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(setq boo (eval-when-compile (* foo foo)))))
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'(progn
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(setq bar (quote 10))
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(setq boo (quote 25)))))
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;; bad case: `eval-when-compile' omitted, byte compiler should catch this
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(should (equal (macroexpand
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'(let-when-compile ((foo (+ 2 3)))
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(setq bar (+ foo foo))
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(setq boo (eval-when-compile (* foo foo)))))
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'(progn
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(setq bar (+ foo foo))
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(setq boo (quote 25)))))
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;; something practical
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(should (equal (macroexpand
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'(let-when-compile ((keywords '("true" "false")))
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(font-lock-add-keywords
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'c++-mode
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`((,(eval-when-compile
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(format "\\<%s\\>" (regexp-opt keywords)))
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0 font-lock-keyword-face)))))
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'(font-lock-add-keywords
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(quote c++-mode)
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(list
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(cons (quote
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"\\<\\(?:\\(?:fals\\|tru\\)e\\)\\>")
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(quote
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(0 font-lock-keyword-face))))))))
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(ert-deftest string-comparison-test ()
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(should (string-lessp "abc" "acb"))
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(should (string-lessp "aBc" "abc"))
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(should (string-lessp "abc" "abcd"))
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(should (string-lessp "abc" "abcd"))
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(should-not (string-lessp "abc" "abc"))
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(should-not (string-lessp "" ""))
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(should (string-greaterp "acb" "abc"))
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(should (string-greaterp "abc" "aBc"))
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(should (string-greaterp "abcd" "abc"))
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(should (string-greaterp "abcd" "abc"))
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(should-not (string-greaterp "abc" "abc"))
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(should-not (string-greaterp "" ""))
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;; Symbols are also accepted
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(should (string-lessp 'abc 'acb))
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(should (string-lessp "abc" 'acb))
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(should (string-greaterp 'acb 'abc))
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(should (string-greaterp "acb" 'abc)))
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(ert-deftest subr-test-when ()
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(should (equal (when t 1) 1))
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(should (equal (when t 2) 2))
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(should (equal (when nil 1) nil))
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(should (equal (when nil 2) nil))
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(should (equal (when t 'x 1) 1))
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(should (equal (when t 'x 2) 2))
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(should (equal (when nil 'x 1) nil))
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(should (equal (when nil 'x 2) nil))
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(let ((x 1))
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(should-not (when nil
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(setq x (1+ x))
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x))
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(should (= x 1))
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(should (= 2 (when true
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(setq x (1+ x))
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x)))
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(should (= x 2)))
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(should (equal (macroexpand-all '(when a b c d))
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'(if a (progn b c d)))))
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(provide 'subr-tests)
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;;; subr-tests.el ends here
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