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Diffstat (limited to 'test/lisp/emacs-lisp/oclosure-tests.el')
| -rw-r--r-- | test/lisp/emacs-lisp/oclosure-tests.el | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/oclosure-tests.el b/test/lisp/emacs-lisp/oclosure-tests.el new file mode 100644 index 00000000000..e7e76fa4bda --- /dev/null +++ b/test/lisp/emacs-lisp/oclosure-tests.el @@ -0,0 +1,113 @@ +;;; oclosure-tests.e; --- Tests for Open Closures -*- lexical-binding: t; -*- + +;; Copyright (C) 2021-2022 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 <https://www.gnu.org/licenses/>. + +;;; Code: + +(require 'ert) +(require 'oclosure) +(require 'cl-lib) + +(oclosure-define (oclosure-test + (:copier oclosure-test-copy) + (:copier oclosure-test-copy1 (fst))) + "Simple OClosure." + fst snd name) + +(ert-deftest oclosure-test () + (let* ((i 42) + (ocl1 (oclosure-lambda (oclosure-test (fst 1) (snd 2) (name "hi")) + () + (list fst snd i))) + (ocl2 (oclosure-lambda (oclosure-test (name (cl-incf i)) (fst (cl-incf i))) + () + (list fst snd 152 i)))) + (should (equal (list (oclosure-test--fst ocl1) + (oclosure-test--snd ocl1) + (oclosure-test--name ocl1)) + '(1 2 "hi"))) + (should (equal (list (oclosure-test--fst ocl2) + (oclosure-test--snd ocl2) + (oclosure-test--name ocl2)) + '(44 nil 43))) + (should (equal (funcall ocl1) '(1 2 44))) + (should (equal (funcall ocl2) '(44 nil 152 44))) + (should (equal (funcall (oclosure-test-copy ocl1 :fst 7)) '(7 2 44))) + (should (equal (funcall (oclosure-test-copy1 ocl1 9)) '(9 2 44))) + (should (cl-typep ocl1 'oclosure-test)) + (should (cl-typep ocl1 'oclosure)) + )) + +(ert-deftest oclosure-test-limits () + (should + (condition-case err + (let ((lexical-binding t) + (byte-compile-debug t)) + (byte-compile '(lambda () + (let ((inc-fst nil)) + (oclosure-lambda (oclosure-test (fst 'foo)) () + (setq inc-fst (lambda () (setq fst (1+ fst)))) + fst)))) + nil) + (error + (and (eq 'error (car err)) + (string-match "fst.*mutated" (cadr err)))))) + (should + (condition-case err + (progn (macroexpand-all '(oclosure-define oclosure--foo a a)) + nil) + (error + (and (eq 'error (car err)) + (string-match "Duplicate slot name: a$" (cadr err)))))) + (should + (condition-case err + (progn (macroexpand-all + '(oclosure-define (oclosure--foo (:parent oclosure-test)) fst)) + nil) + (error + (and (eq 'error (car err)) + (string-match "Duplicate slot name: fst$" (cadr err)))))) + (should + (condition-case err + (progn (macroexpand '(oclosure-lambda (oclosure-test (fst 1) (fst 2)) + () fst)) + nil) + (error + (and (eq 'error (car err)) + (string-match "Duplicate slot: fst$" (cadr err))))))) + +(oclosure-define (oclosure-test-mut + (:parent oclosure-test) + (:copier oclosure-test-mut-copy)) + "Simple OClosure with a mutable field." + (mut :mutable t)) + +(ert-deftest oclosure-test-mutate () + (let* ((f (oclosure-lambda (oclosure-test-mut (fst 0) (mut 3)) + (x) + (+ x fst mut))) + (f2 (oclosure-test-mut-copy f :fst 50))) + (should (equal (oclosure-test-mut--mut f) 3)) + (should (equal (funcall f 5) 8)) + (should (equal (funcall f2 5) 58)) + (cl-incf (oclosure-test-mut--mut f) 7) + (should (equal (oclosure-test-mut--mut f) 10)) + (should (equal (funcall f 5) 15)) + (should (equal (funcall f2 15) 68)))) + +;;; oclosure-tests.el ends here. |