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| | ;;; js-tests.el --- Test suite for js-mode
;; 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)
(require 'js)
(ert-deftest js-mode-fill-bug-19399 ()
(with-temp-buffer
(insert "/")
(save-excursion (insert "/ comment"))
(js-mode)
(fill-paragraph)
(should (equal (buffer-substring (point-min) (point-max))
"// comment"))))
(ert-deftest js-mode-fill-bug-22431 ()
(with-temp-buffer
(insert "/**\n")
(insert " * Load the inspector's shared head.js for use by tests that ")
(insert "need to open the something or other")
(js-mode)
;; This fails with auto-fill but not fill-paragraph.
(do-auto-fill)
(should (equal (buffer-substring (point-min) (point-max))
"/**
* Load the inspector's shared head.js for use by tests that need to
* open the something or other"))))
(ert-deftest js-mode-fill-bug-22431-fill-paragraph-at-start ()
(with-temp-buffer
(insert "/**\n")
(insert " * Load the inspector's shared head.js for use by tests that ")
(insert "need to open the something or other")
(js-mode)
(goto-char (point-min))
(fill-paragraph)
(should (equal (buffer-substring (point-min) (point-max))
"/**
* Load the inspector's shared head.js for use by tests that need to
* open the something or other"))))
(ert-deftest js-mode-indent-bug-15582 ()
(with-temp-buffer
(js-mode)
(setq-local js-indent-level 8)
(insert "if (x > 72 &&\n y < 85) { // found\n\t")
(save-excursion (insert "do_something();\n"))
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
"\tdo_something();"))))
(ert-deftest js-mode-indent-bug-20896-chain ()
(with-temp-buffer
(js-mode)
(setq-local js-chain-indent t)
(setq-local indent-tabs-mode nil)
(insert "let x = svg.mumble()\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(ert-deftest js-mode-indent-bug-20896-chain-comment ()
(with-temp-buffer
(js-mode)
(setq-local js-chain-indent t)
(setq-local indent-tabs-mode nil)
(insert "let x = svg.mumble() // line comment\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(ert-deftest js-mode-indent-bug-20896-chain-multi ()
(with-temp-buffer
(js-mode)
(setq-local js-chain-indent t)
(setq-local indent-tabs-mode nil)
;; Must line up to the first "." at the same level.
(insert "let x = svg.selectAll().something()\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(ert-deftest js-mode-indent-bug-20896-chain-nested ()
(with-temp-buffer
(js-mode)
(setq-local js-chain-indent t)
(setq-local indent-tabs-mode nil)
;; Must line up to the first "." at the same level.
(insert "let x = svg.selectAll(d3.svg.something()\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(ert-deftest js-mode-indent-bug-20896-no-chain-1 ()
(with-temp-buffer
(js-mode)
;; Don't set js-chain-indent.
(insert "let x = svg.mumble()\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(ert-deftest js-mode-indent-bug-20896-no-chain-2 ()
(with-temp-buffer
(js-mode)
(setq-local js-chain-indent t)
;; Nothing to chain to.
(insert "let x = svg()\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(ert-deftest js-mode-indent-bug-20896-no-chain-2 ()
(with-temp-buffer
(js-mode)
(setq-local js-chain-indent t)
;; Nothing to chain to.
(insert "let x = svg().mumble.x() + 73\n.zzz")
(js-indent-line)
(should (equal (buffer-substring (point-at-bol) (point-at-eol))
" .zzz"))))
(provide 'js-tests)
;;; js-tests.el ends here
|