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emacs/test/lisp/emacs-lisp/cl-print-tests.el
Lars Brinkhoff a2c3343029 Add record objects with user-defined types.
* src/alloc.c (allocate_record): New function.
(Fmake_record, Frecord, Fcopy_record): New functions.
(syms_of_alloc): defsubr them.
(purecopy): Work with records.

* src/data.c (Ftype_of): Return slot 0 for record objects, or type
name if record's type holds class.
(Frecordp): New function.
(syms_of_data): defsubr it.  Define `Qrecordp'.
(Faref, Faset): Work with records.

* src/fns.c (Flength): Work with records.

* src/lisp.h (prec_type): Add PVEC_RECORD.
(RECORDP, CHECK_RECORD, CHECK_RECORD_TYPE): New functions.

* src/lread.c (read1): Add syntax for records.

* src/print.c (PRINT_CIRCLE_CANDIDATE_P): Add RECORDP.
(print_object): Add syntax for records.

* test/lisp/emacs-lisp/cl-print-tests.el (cl-print-tests-2):
New test.

* test/src/alloc-tests.el (record-1, record-2, record-3):
New tests.

* doc/lispref/elisp.texi, doc/lispref/objects.texi,
doc/lispref/records.texi: Add documentation for records.
2017-04-04 08:23:46 +02:00

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EmacsLisp

;;; cl-print-tests.el --- Test suite for the cl-print facility. -*- 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/>.
;;; Commentary:
;;; Code:
(require 'ert)
(cl-defstruct cl-print--test a b)
(ert-deftest cl-print-tests-1 ()
"Test cl-print code."
(let ((x (make-cl-print--test :a 1 :b 2)))
(let ((print-circle nil))
(should (equal (cl-prin1-to-string `((x . ,x) (y . ,x)))
"((x . #s(cl-print--test :a 1 :b 2)) (y . #s(cl-print--test :a 1 :b 2)))")))
(let ((print-circle t))
(should (equal (cl-prin1-to-string `((x . ,x) (y . ,x)))
"((x . #1=#s(cl-print--test :a 1 :b 2)) (y . #1#))")))
(should (string-match "\\`#f(compiled-function (x) .*\n\n.*)\\'"
(cl-prin1-to-string (symbol-function #'caar))))))
(ert-deftest cl-print-tests-2 ()
(let ((x (record 'foo 1 2 3)))
(should (equal
x
(car (read-from-string (with-output-to-string (prin1 x))))))
(let ((print-circle t))
(should (string-match
"\\`(#1=#s(foo 1 2 3) #1#)\\'"
(cl-prin1-to-string (list x x)))))))
;;; cl-print-tests.el ends here.