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f4ecb65f33
Bug#26070: * lisp/progmodes/js.el (js--syntax-propertize-regexp-regexp): Add zero-or-one to regular expression. (js-syntax-propertize-regexp): Update. Propertize body of regexp literal up to END. * test/lisp/progmodes/js-tests.el (js-mode-propertize-bug-1) (js-mode-propertize-bug-2): New tests.
183 lines
5.7 KiB
EmacsLisp
183 lines
5.7 KiB
EmacsLisp
;;; js-tests.el --- Test suite for js-mode
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;; Copyright (C) 2017 Free Software Foundation, Inc.
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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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;;; Code:
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(require 'ert)
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(require 'js)
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(require 'syntax)
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(ert-deftest js-mode-fill-bug-19399 ()
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(with-temp-buffer
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(insert "/")
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(save-excursion (insert "/ comment"))
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(js-mode)
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(fill-paragraph)
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(should (equal (buffer-substring (point-min) (point-max))
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"// comment"))))
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(ert-deftest js-mode-fill-bug-22431 ()
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(with-temp-buffer
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(insert "/**\n")
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(insert " * Load the inspector's shared head.js for use by tests that ")
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(insert "need to open the something or other")
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(js-mode)
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;; This fails with auto-fill but not fill-paragraph.
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(do-auto-fill)
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(should (equal (buffer-substring (point-min) (point-max))
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"/**
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* Load the inspector's shared head.js for use by tests that need to
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* open the something or other"))))
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(ert-deftest js-mode-fill-bug-22431-fill-paragraph-at-start ()
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(with-temp-buffer
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(insert "/**\n")
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(insert " * Load the inspector's shared head.js for use by tests that ")
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(insert "need to open the something or other")
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(js-mode)
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(goto-char (point-min))
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(fill-paragraph)
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(should (equal (buffer-substring (point-min) (point-max))
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"/**
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* Load the inspector's shared head.js for use by tests that need to
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* open the something or other"))))
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(ert-deftest js-mode-regexp-syntax ()
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(with-temp-buffer
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;; Normally indentation tests are done in manual/indent, but in
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;; this case we are specifically testing a case where the bug
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;; caused the indenter not to do anything, and manual/indent can
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;; only be used for already-correct files.
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(insert "function f(start, value) {
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if (start - 1 === 0 || /[ (:,='\"]/.test(value)) {
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--start;
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}
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if (start - 1 === 0 && /[ (:,='\"]/.test(value)) {
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--start;
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}
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if (!/[ (:,='\"]/.test(value)) {
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--start;
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}
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}
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")
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(js-mode)
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(indent-region (point-min) (point-max))
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(goto-char (point-min))
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(dolist (x '(0 4 8 4 4 8 4 4 8 4 0))
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(back-to-indentation)
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(should (= (current-column) x))
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(forward-line))))
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(ert-deftest js-mode-auto-fill ()
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(with-temp-buffer
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(js-mode)
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(let ((fill-column 10)
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(comment-multi-line t))
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(insert "/* test test")
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(do-auto-fill)
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;; Filling should continue the multi line comment.
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(should (equal (buffer-string) "/* test\n * test"))
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(erase-buffer)
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(insert "/* test test")
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(setq comment-multi-line nil)
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(do-auto-fill)
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;; Filling should start a new comment on the next line.
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(should (equal (buffer-string) "/* test */\n/* test")))))
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(ert-deftest js-mode-regexp-syntax-bug-25529 ()
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(dolist (regexp-contents '("[^[]"
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"[/]"
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;; A comment with the regexp on the next
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;; line.
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"*comment*/\n/regexp"))
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(with-temp-buffer
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(js-mode)
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(insert "let x = /" regexp-contents "/;\n")
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(save-excursion (insert "something();\n"))
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;; The failure mode was that the regexp literal was not
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;; recognized, causing the next line to be given string syntax;
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;; but check for comment syntax as well to prevent an
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;; implementation not recognizing the comment example.
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(should-not (syntax-ppss-context (syntax-ppss))))))
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(ert-deftest js-mode-indentation-error ()
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(with-temp-buffer
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(js-mode)
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;; The bug previously was that requesting re-indentation on the
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;; "{" line here threw an exception.
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(insert "const TESTS = [\n{")
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(js-indent-line)
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;; Any success is ok here.
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(should t)))
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(ert-deftest js-mode-doc-comment-face ()
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(dolist (test '(("/*" "*/" font-lock-comment-face)
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("//" "\n" font-lock-comment-face)
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("/**" "*/" font-lock-doc-face)
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("\"" "\"" font-lock-string-face)))
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(with-temp-buffer
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(js-mode)
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(insert (car test) " he")
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(save-excursion (insert "llo " (cadr test)))
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(font-lock-ensure)
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(should (eq (get-text-property (point) 'face) (caddr test))))))
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(ert-deftest js-mode-propertize-bug-1 ()
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(with-temp-buffer
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(js-mode)
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(save-excursion (insert "x"))
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(insert "/")
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;; The bug was a hang.
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(should t)))
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(ert-deftest js-mode-propertize-bug-2 ()
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(with-temp-buffer
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(js-mode)
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(insert "function f() {
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function g()
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{
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1 / 2;
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}
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function h() {
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")
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(save-excursion
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(insert "
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00000000000000000000000000000000000000000000000000;
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00;
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}
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}
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"))
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(insert "/")
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;; The bug was a hang.
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(should t)))
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(provide 'js-tests)
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;;; js-tests.el ends here
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