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;;; comp-cstr-tests.el --- unit tests for src/comp.c -*- lexical-binding: t; -*-
;; Copyright (C) 2020 Free Software Foundation, Inc.
;; Author: Andrea Corallo <akrl@sdf.org>
;; 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 lisp/emacs-lisp/comp-cstr.el
;;; Code:
(require 'ert)
(require 'cl-lib)
(require 'comp-cstr)
(defun comp-cstr-test-ts (type-spec)
"Create a constraint from TYPE-SPEC and convert it back to type specifier."
(let ((comp-ctxt (make-comp-cstr-ctxt)))
(comp-cstr-to-type-spec (comp-type-spec-to-cstr type-spec))))
(defun comp-cstr-typespec-test (number type-spec expected-type-spec)
`(ert-deftest ,(intern (concat "comp-cstr-test-" (int-to-string number))) ()
(should (equal (comp-cstr-test-ts ',type-spec)
',expected-type-spec))))
(defconst comp-cstr-typespec-tests-alist
`((symbol . symbol)
((or string array) . array)
((or symbol number) . (or symbol number))
((or cons atom) . (or cons atom)) ;; SBCL return T
((or integer number) . number)
((or (or integer symbol) number) . (or symbol number))
((or (or integer symbol) (or number list)) . (or list symbol number))
((or (or integer number) nil) . number)
((member foo) . (member foo))
((member foo bar) . (member foo bar))
((or (member foo) (member bar)) . (member foo bar))
((or (member foo) symbol) . symbol) ;; SBCL return (OR SYMBOL (MEMBER FOO))
((or (member foo) number) . (or (member foo) number))
((or (integer 1 3) number) . number)
(integer . integer)
((integer 1 2) . (integer 1 2))
((or (integer -1 0) (integer 3 4)) . (or (integer -1 0) (integer 3 4)))
((or (integer -1 2) (integer 3 4)) . (integer -1 4))
((or (integer -1 3) (integer 3 4)) . (integer -1 4))
((or (integer -1 4) (integer 3 4)) . (integer -1 4))
((or (integer -1 5) (integer 3 4)) . (integer -1 5))
((or (integer -1 *) (integer 3 4)) . (integer -1 *))
((or (integer -1 2) (integer * 4)) . (integer * 4))
((and string array) . string)
((and cons atom) . nil)
((and (member foo) (member foo bar baz)) . (member foo))
((and (member foo) (member bar)) . nil)
((and (member foo) symbol) . (member foo))
((and (member foo) string) . nil)
((and (member foo) (integer 1 2)) . nil)
((and (member 1 2) (member 3 2)) . (member 2))
((and number (integer 1 2)) . number)
((and integer (integer 1 2)) . integer)
((and (integer -1 0) (integer 3 5)) . nil)
((and (integer -1 2) (integer 3 5)) . nil)
((and (integer -1 3) (integer 3 5)) . (integer 3 3))
((and (integer -1 4) (integer 3 5)) . (integer 3 4))
((and (integer -1 5) nil) . nil)
((not symbol) . (not symbol))
((or (member foo) (not (member foo bar))) . (not (member bar)))
((or (member foo bar) (not (member foo))) . t)
;; Intentionally conservative, see `comp-cstr-union'.
((or symbol (not sequence)) . t)
((or vector (not sequence)) . (not sequence))
((or (integer 1 10) (not (integer * 5))) . (integer 1 *))
((or symbol (integer 1 10) (not (integer * 5))) . (integer 1 *)))
"Alist type specifier -> expected type specifier.")
(defmacro comp-cstr-synthesize-tests ()
"Generate all tests from `comp-cstr-typespec-tests-alist'."
`(progn
,@(cl-loop
for i from 0
for (ts . exp-ts) in comp-cstr-typespec-tests-alist
append (list (comp-cstr-typespec-test i ts exp-ts)))))
(comp-cstr-synthesize-tests)
;;; comp-cstr-tests.el ends here
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