electric-tests.el 32.2 KB
Newer Older
1 2
;;; electric-tests.el --- tests for electric.el

Paul Eggert's avatar
Paul Eggert committed
3
;; Copyright (C) 2013-2019 Free Software Foundation, Inc.
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

;; Author: João Távora <joaotavora@gmail.com>
;; Keywords:

;; This program 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.

;; This program 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
19
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
20

21
;;; Commentary:
22

23 24
;; Tests for Electric Pair mode.
;; TODO: Add tests for other Electric-* functionality
25 26 27 28 29

;;; Code:
(require 'ert)
(require 'ert-x)
(require 'electric)
30
(require 'elec-pair)
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
(require 'cl-lib)

(defun call-with-saved-electric-modes (fn)
  (let ((saved-electric (if electric-pair-mode 1 -1))
        (saved-layout (if electric-layout-mode 1 -1))
        (saved-indent (if electric-indent-mode 1 -1)))
    (electric-pair-mode -1)
    (electric-layout-mode -1)
    (electric-indent-mode -1)
    (unwind-protect
        (funcall fn)
      (electric-pair-mode saved-electric)
      (electric-indent-mode saved-indent)
      (electric-layout-mode saved-layout))))

(defmacro save-electric-modes (&rest body)
  (declare (indent defun) (debug t))
  `(call-with-saved-electric-modes #'(lambda () ,@body)))

(defun electric-pair-test-for (fixture where char expected-string
                                       expected-point mode bindings fixture-fn)
  (with-temp-buffer
    (funcall mode)
    (insert fixture)
    (save-electric-modes
56 57
      (let ((last-command-event char)
            (transient-mark-mode 'lambda))
58 59 60 61 62
        (goto-char where)
        (funcall fixture-fn)
        (cl-progv
            (mapcar #'car bindings)
            (mapcar #'cdr bindings)
63
          (call-interactively (key-binding `[,last-command-event])))))
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116
    (should (equal (buffer-substring-no-properties (point-min) (point-max))
                   expected-string))
    (should (equal (point)
                   expected-point))))

(eval-when-compile
  (defun electric-pair-define-test-form (name fixture
                                              char
                                              pos
                                              expected-string
                                              expected-point
                                              skip-pair-string
                                              prefix
                                              suffix
                                              extra-desc
                                              mode
                                              bindings
                                              fixture-fn)
    (let* ((expected-string-and-point
            (if skip-pair-string
                (with-temp-buffer
                  (cl-progv
                      ;; FIXME: avoid `eval'
                      (mapcar #'car (eval bindings))
                      (mapcar #'cdr (eval bindings))
                    (funcall mode)
                    (insert fixture)
                    (goto-char (1+ pos))
                    (insert char)
                    (cond ((eq (aref skip-pair-string pos)
                               ?p)
                           (insert (cadr (electric-pair-syntax-info char)))
                           (backward-char 1))
                          ((eq (aref skip-pair-string pos)
                               ?s)
                           (delete-char -1)
                           (forward-char 1)))
                    (list
                     (buffer-substring-no-properties (point-min) (point-max))
                     (point))))
              (list expected-string expected-point)))
           (expected-string (car expected-string-and-point))
           (expected-point (cadr expected-string-and-point))
           (fixture (format "%s%s%s" prefix fixture suffix))
           (expected-string (format "%s%s%s" prefix expected-string suffix))
           (expected-point (+ (length prefix) expected-point))
           (pos (+ (length prefix) pos)))
      `(ert-deftest ,(intern (format "electric-pair-%s-at-point-%s-in-%s%s"
                                     name
                                     (1+ pos)
                                     mode
                                     extra-desc))
           ()
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
         ,(format "Electricity test in a `%s' buffer.\n
Start with point at %d in a %d-char-long buffer
like this one:

  |%s|   (buffer start and end are denoted by `|')
%s
%s
Now press the key for: %c

The buffer's contents should %s:

  |%s|

, and point should be at %d."
                  mode
                  (1+ pos)
                  (length fixture)
134
                  fixture
135 136 137 138
                  (if fixture-fn (format "\nNow call this:\n\n%s"
                                         (pp-to-string fixture-fn)) "")
                  (if bindings (format "\nEnsure the following bindings:\n\n%s"
                                       (pp-to-string bindings)) "")
139
                  char
140
                  (if (string= fixture expected-string) "stay" "become")
141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
                  (replace-regexp-in-string "\n" "\\\\n" expected-string)
                  expected-point)
         (electric-pair-test-for ,fixture
                                 ,(1+ pos)
                                 ,char
                                 ,expected-string
                                 ,expected-point
                                 ',mode
                                 ,bindings
                                 ,fixture-fn)))))

(cl-defmacro define-electric-pair-test
    (name fixture
          input
          &key
          skip-pair-string
          expected-string
          expected-point
          bindings
160
          (modes '(quote (ruby-mode c++-mode)))
161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181
          (test-in-comments t)
          (test-in-strings t)
          (test-in-code t)
          (fixture-fn #'(lambda ()
                          (electric-pair-mode 1))))
  `(progn
     ,@(cl-loop
        for mode in (eval modes) ;FIXME: avoid `eval'
        append
        (cl-loop
         for (prefix suffix extra-desc) in
         (append (if test-in-comments
                     `((,(with-temp-buffer
                           (funcall mode)
                           (insert "z")
                           (comment-region (point-min) (point-max))
                           (buffer-substring-no-properties (point-min)
                                                           (1- (point-max))))
                        ""
                        "-in-comments")))
                 (if test-in-strings
182
                     '(("\"" "\"" "-in-strings")))
183
                 (if test-in-code
184
                     '(("" "" ""))))
185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204
         append
         (cl-loop
          for char across input
          for pos from 0
          unless (eq char ?-)
          collect (electric-pair-define-test-form
                   name
                   fixture
                   (aref input pos)
                   pos
                   expected-string
                   expected-point
                   skip-pair-string
                   prefix
                   suffix
                   extra-desc
                   mode
                   bindings
                   fixture-fn))))))

Paul Eggert's avatar
Paul Eggert committed
205
;;; Basic pairs and skips
206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255
;;;
(define-electric-pair-test balanced-situation
  " (())  " "(((((((" :skip-pair-string "ppppppp"
  :modes '(ruby-mode))

(define-electric-pair-test too-many-openings
  " ((()) " "(((((((" :skip-pair-string "ppppppp")

(define-electric-pair-test too-many-closings
  " (())) " "(((((((" :skip-pair-string "------p")

(define-electric-pair-test too-many-closings-2
  "()   ) " "---(---" :skip-pair-string "-------")

(define-electric-pair-test too-many-closings-3
  ")()    " "(------" :skip-pair-string "-------")

(define-electric-pair-test balanced-autoskipping
  " (())  " "---))--" :skip-pair-string "---ss--")

(define-electric-pair-test too-many-openings-autoskipping
  " ((()) " "----))-" :skip-pair-string "-------")

(define-electric-pair-test too-many-closings-autoskipping
  " (())) " "---)))-" :skip-pair-string "---sss-")


;;; Mixed parens
;;;
(define-electric-pair-test mixed-paren-1
  "  ()]  " "-(-(---" :skip-pair-string "-p-p---")

(define-electric-pair-test mixed-paren-2
  "  [()  " "-(-()--" :skip-pair-string "-p-ps--")

(define-electric-pair-test mixed-paren-3
  "  (])  " "-(-()--" :skip-pair-string "---ps--")

(define-electric-pair-test mixed-paren-4
  "  ()]  " "---)]--" :skip-pair-string "---ss--")

(define-electric-pair-test mixed-paren-5
  "  [()  " "----(--" :skip-pair-string "----p--")

(define-electric-pair-test find-matching-different-paren-type
  "  ()]  " "-[-----" :skip-pair-string "-------")

(define-electric-pair-test find-matching-different-paren-type-inside-list
  "( ()]) " "-[-----" :skip-pair-string "-------")

Paul Eggert's avatar
Paul Eggert committed
256
(define-electric-pair-test ignore-different-nonmatching-paren-type
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313
  "( ()]) " "-(-----" :skip-pair-string "-p-----")

(define-electric-pair-test autopair-keep-least-amount-of-mixed-unbalance
  "( ()]  " "-(-----" :skip-pair-string "-p-----")

(define-electric-pair-test dont-autopair-to-resolve-mixed-unbalance
  "( ()]  " "-[-----" :skip-pair-string "-------")

(define-electric-pair-test autopair-so-as-not-to-worsen-unbalance-situation
  "( (])  " "-[-----" :skip-pair-string "-p-----")

(define-electric-pair-test skip-over-partially-balanced
  " [([])   " "-----)---" :skip-pair-string "-----s---")

(define-electric-pair-test only-skip-over-at-least-partially-balanced-stuff
  " [([())  " "-----))--" :skip-pair-string "-----s---")




;;; Quotes
;;;
(define-electric-pair-test pair-some-quotes-skip-others
  " \"\"      " "-\"\"-----" :skip-pair-string "-ps------"
  :test-in-strings nil
  :bindings `((electric-pair-text-syntax-table
               . ,prog-mode-syntax-table)))

(define-electric-pair-test skip-single-quotes-in-ruby-mode
  " '' " "--'-" :skip-pair-string "--s-"
  :modes '(ruby-mode)
  :test-in-comments nil
  :test-in-strings nil
  :bindings `((electric-pair-text-syntax-table
               . ,prog-mode-syntax-table)))

(define-electric-pair-test leave-unbalanced-quotes-alone
  " \"' " "-\"'-" :skip-pair-string "----"
  :modes '(ruby-mode)
  :test-in-strings nil
  :bindings `((electric-pair-text-syntax-table
               . ,prog-mode-syntax-table)))

(define-electric-pair-test leave-unbalanced-quotes-alone-2
  " \"\\\"' " "-\"--'-" :skip-pair-string "------"
  :modes '(ruby-mode)
  :test-in-strings nil
  :bindings `((electric-pair-text-syntax-table
               . ,prog-mode-syntax-table)))

(define-electric-pair-test leave-unbalanced-quotes-alone-3
  " foo\\''" "'------" :skip-pair-string "-------"
  :modes '(ruby-mode)
  :test-in-strings nil
  :bindings `((electric-pair-text-syntax-table
               . ,prog-mode-syntax-table)))

314
(define-electric-pair-test inhibit-if-strings-mismatched
315
  "\"foo\"\"bar" "\""
316
  :expected-string "\"\"foo\"\"bar"
317 318 319 320 321
  :expected-point 2
  :test-in-strings nil
  :bindings `((electric-pair-text-syntax-table
               . ,prog-mode-syntax-table)))

322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
(define-electric-pair-test inhibit-in-mismatched-string-inside-ruby-comments
  "foo\"\"
#
#    \"bar\"
#    \"   \"
#    \"
#
baz\"\""
  "\""
  :modes '(ruby-mode)
  :test-in-strings nil
  :test-in-comments nil
  :expected-point 19
  :expected-string
  "foo\"\"
#
#    \"bar\"\"
#    \"   \"
#    \"
#
baz\"\""
  :fixture-fn #'(lambda () (goto-char (point-min)) (search-forward "bar")))

(define-electric-pair-test inhibit-in-mismatched-string-inside-c-comments
  "foo\"\"/*
    \"bar\"
    \"   \"
    \"
*/baz\"\""
  "\""
  :modes '(c-mode)
  :test-in-strings nil
  :test-in-comments nil
  :expected-point 18
  :expected-string
  "foo\"\"/*
    \"bar\"\"
    \"   \"
    \"
*/baz\"\""
  :fixture-fn #'(lambda () (goto-char (point-min)) (search-forward "bar")))

364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393

;;; More quotes, but now don't bind `electric-pair-text-syntax-table'
;;; to `prog-mode-syntax-table'. Use the defaults for
;;; `electric-pair-pairs' and `electric-pair-text-pairs'.
;;;
(define-electric-pair-test pairing-skipping-quotes-in-code
  " \"\"      " "-\"\"-----" :skip-pair-string "-ps------"
  :test-in-strings nil
  :test-in-comments nil)

(define-electric-pair-test skipping-quotes-in-comments
  " \"\"      " "--\"-----" :skip-pair-string "--s------"
  :test-in-strings nil)


;;; Skipping over whitespace
;;;
(define-electric-pair-test whitespace-jumping
  " (    )  " "--))))---" :expected-string " (    )  " :expected-point 8
  :bindings '((electric-pair-skip-whitespace . t)))

(define-electric-pair-test whitespace-chomping
  " (    )  " "--)------" :expected-string " ()  " :expected-point 4
  :bindings '((electric-pair-skip-whitespace . chomp)))

(define-electric-pair-test whitespace-chomping-2
  " ( \n\t\t\n  )  " "--)------" :expected-string " ()  " :expected-point 4
  :bindings '((electric-pair-skip-whitespace . chomp))
  :test-in-comments nil)

394 395 396 397 398

;; A test failure introduced by some changes in CC mode.  Hopefully CC
;; mode will sort this out eventually, using some new e-p-m machinery.
;; See
;; https://lists.gnu.org/archive/html/emacs-devel/2018-06/msg00535.html
399 400 401 402
(setf
 (ert-test-expected-result-type
  (ert-get-test 'electric-pair-whitespace-chomping-2-at-point-4-in-c++-mode-in-strings))
 :failed)
403

404 405 406 407 408 409 410 411
(define-electric-pair-test whitespace-chomping-dont-cross-comments
  " ( \n\t\t\n  )  " "--)------" :expected-string " () \n\t\t\n  )  "
  :expected-point 4
  :bindings '((electric-pair-skip-whitespace . chomp))
  :test-in-strings nil
  :test-in-code nil
  :test-in-comments t)

Paul Eggert's avatar
Paul Eggert committed
412
(define-electric-pair-test whitespace-skipping-for-quotes-not-outside
413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436
  "  \"  \"" "\"-----" :expected-string "\"\"  \"  \""
  :expected-point 2
  :bindings '((electric-pair-skip-whitespace . chomp))
  :test-in-strings nil
  :test-in-code t
  :test-in-comments nil)

(define-electric-pair-test whitespace-skipping-for-quotes-only-inside
  "  \"  \"" "---\"--" :expected-string "  \"\""
  :expected-point 5
  :bindings '((electric-pair-skip-whitespace . chomp))
  :test-in-strings nil
  :test-in-code t
  :test-in-comments nil)

(define-electric-pair-test whitespace-skipping-quotes-not-without-proper-syntax
  "  \"  \"" "---\"--" :expected-string "  \"\"\"  \""
  :expected-point 5
  :modes '(text-mode)
  :bindings '((electric-pair-skip-whitespace . chomp))
  :test-in-strings nil
  :test-in-code t
  :test-in-comments nil)

437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537

;;; Pairing arbitrary characters
;;;
(define-electric-pair-test angle-brackets-everywhere
  "<>" "<>" :skip-pair-string "ps"
  :bindings '((electric-pair-pairs . ((?\< . ?\>)))))

(define-electric-pair-test angle-brackets-everywhere-2
  "(<>" "-<>" :skip-pair-string "-ps"
  :bindings '((electric-pair-pairs . ((?\< . ?\>)))))

(defvar electric-pair-test-angle-brackets-table
  (let ((table (make-syntax-table prog-mode-syntax-table)))
    (modify-syntax-entry ?\< "(>" table)
    (modify-syntax-entry ?\> ")<`" table)
    table))

(define-electric-pair-test angle-brackets-pair
  "<>" "<" :expected-string "<><>" :expected-point 2
  :test-in-code nil
  :bindings `((electric-pair-text-syntax-table
               . ,electric-pair-test-angle-brackets-table)))

(define-electric-pair-test angle-brackets-skip
  "<>" "->" :expected-string "<>" :expected-point 3
  :test-in-code nil
  :bindings `((electric-pair-text-syntax-table
               . ,electric-pair-test-angle-brackets-table)))

(define-electric-pair-test pair-backtick-and-quote-in-comments
  ";; " "---`" :expected-string ";; `'" :expected-point 5
  :test-in-comments nil
  :test-in-strings nil
  :modes '(emacs-lisp-mode)
  :bindings '((electric-pair-text-pairs . ((?\` . ?\')))))

(define-electric-pair-test skip-backtick-and-quote-in-comments
  ";; `foo'" "-------'" :expected-string ";; `foo'" :expected-point 9
  :test-in-comments nil
  :test-in-strings nil
  :modes '(emacs-lisp-mode)
  :bindings '((electric-pair-text-pairs . ((?\` . ?\')))))

(define-electric-pair-test pair-backtick-and-quote-in-strings
  "\"\"" "-`" :expected-string "\"`'\"" :expected-point 3
  :test-in-comments nil
  :test-in-strings nil
  :modes '(emacs-lisp-mode)
  :bindings '((electric-pair-text-pairs . ((?\` . ?\')))))

(define-electric-pair-test skip-backtick-and-quote-in-strings
  "\"`'\"" "--'" :expected-string "\"`'\"" :expected-point 4
  :test-in-comments nil
  :test-in-strings nil
  :modes '(emacs-lisp-mode)
  :bindings '((electric-pair-text-pairs . ((?\` . ?\')))))

(define-electric-pair-test skip-backtick-and-quote-in-strings-2
  "  \"`'\"" "----'" :expected-string "  \"`'\"" :expected-point 6
  :test-in-comments nil
  :test-in-strings nil
  :modes '(emacs-lisp-mode)
  :bindings '((electric-pair-text-pairs . ((?\` . ?\')))))


;;; `js-mode' has `electric-layout-rules' for '{ and '}
;;;
(define-electric-pair-test js-mode-braces
  "" "{" :expected-string "{}" :expected-point 2
  :modes '(js-mode)
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)))

(define-electric-pair-test js-mode-braces-with-layout
  "" "{" :expected-string "{\n\n}" :expected-point 3
  :modes '(js-mode)
  :test-in-comments nil
  :test-in-strings nil
  :fixture-fn #'(lambda ()
                  (electric-layout-mode 1)
                  (electric-pair-mode 1)))

(define-electric-pair-test js-mode-braces-with-layout-and-indent
  "" "{" :expected-string "{\n    \n}" :expected-point 7
  :modes '(js-mode)
  :test-in-comments nil
  :test-in-strings nil
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (electric-indent-mode 1)
                  (electric-layout-mode 1)))


;;; Backspacing
;;; TODO: better tests
;;;
(ert-deftest electric-pair-backspace-1 ()
  (save-electric-modes
    (with-temp-buffer
      (insert "()")
      (goto-char 2)
538
      (electric-pair-delete-pair 1)
539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
      (should (equal "" (buffer-string))))))


;;; Electric newlines between pairs
;;; TODO: better tests
(ert-deftest electric-pair-open-extra-newline ()
  (save-electric-modes
    (with-temp-buffer
      (c-mode)
      (electric-pair-mode 1)
      (electric-indent-mode 1)
      (insert "int main {}")
      (backward-char 1)
      (let ((c-basic-offset 4))
        (newline 1 t)
        (should (equal "int main {\n    \n}"
                       (buffer-string)))
        (should (equal (point) (- (point-max) 2)))))))



;;; Autowrapping
;;;
(define-electric-pair-test autowrapping-1
  "foo" "(" :expected-string "(foo)" :expected-point 2
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (mark-sexp 1)))

(define-electric-pair-test autowrapping-2
  "foo" ")" :expected-string "(foo)" :expected-point 6
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (mark-sexp 1)))

(define-electric-pair-test autowrapping-3
  "foo" ")" :expected-string "(foo)" :expected-point 6
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (goto-char (point-max))
                  (skip-chars-backward "\"")
                  (mark-sexp -1)))

(define-electric-pair-test autowrapping-4
  "foo" "(" :expected-string "(foo)" :expected-point 2
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (goto-char (point-max))
                  (skip-chars-backward "\"")
                  (mark-sexp -1)))

(define-electric-pair-test autowrapping-5
  "foo" "\"" :expected-string "\"foo\"" :expected-point 2
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (mark-sexp 1)))

(define-electric-pair-test autowrapping-6
  "foo" "\"" :expected-string "\"foo\"" :expected-point 6
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (goto-char (point-max))
                  (skip-chars-backward "\"")
                  (mark-sexp -1)))

604 605 606
(define-electric-pair-test autowrapping-7
  "foo" "\"" :expected-string "``foo''" :expected-point 8
  :modes '(tex-mode)
607
  :test-in-comments nil
608 609 610 611 612 613
  :fixture-fn #'(lambda ()
                  (electric-pair-mode 1)
                  (goto-char (point-max))
                  (skip-chars-backward "\"")
                  (mark-sexp -1)))

614 615 616 617 618 619 620 621

;;; Electric quotes
(define-electric-pair-test electric-quote-string
  "" "'" :expected-string "'" :expected-point 2
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-string . t))
  :test-in-comments nil :test-in-strings nil)

622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645
(define-electric-pair-test electric-quote-opening-single
  "" "`" :expected-string "‘" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-closing-single
  "" "'" :expected-string "’" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-opening-double
  "‘" "-`" :expected-string "“" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-closing-double
  "’" "-'" :expected-string "”" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :test-in-comments nil :test-in-strings nil)

646 647 648 649 650 651
(define-electric-pair-test electric-quote-replace-double-disabled
  "" "\"" :expected-string "\"" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :test-in-comments nil :test-in-strings nil)

652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672
(define-electric-pair-test electric-quote-context-sensitive-backtick
  "" "`" :expected-string "`" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-context-sensitive-bob-single
  "" "'" :expected-string "‘" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-context-sensitive-bob-double
  "‘" "-'" :expected-string "“" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

673 674 675 676 677 678 679
(define-electric-pair-test electric-quote-replace-double-bob
  "" "\"" :expected-string "“" :expected-point 2
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t))
  :test-in-comments nil :test-in-strings nil)

680 681 682 683 684 685 686 687 688 689 690 691 692 693
(define-electric-pair-test electric-quote-context-sensitive-bol-single
  "a\n" "--'" :expected-string "a\n‘" :expected-point 4
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-context-sensitive-bol-double
  "a\n‘" "---'" :expected-string "a\n“" :expected-point 4
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

694 695 696 697 698 699 700
(define-electric-pair-test electric-quote-replace-double-bol
  "a\n" "--\"" :expected-string "a\n“" :expected-point 4
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t))
  :test-in-comments nil :test-in-strings nil)

701 702 703 704 705 706 707 708 709 710 711 712 713 714
(define-electric-pair-test electric-quote-context-sensitive-after-space-single
  " " "-'" :expected-string " ‘" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-context-sensitive-after-space-double
  " ‘" "--'" :expected-string " “" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

715 716 717 718 719 720 721
(define-electric-pair-test electric-quote-replace-double-after-space
  " " "-\"" :expected-string " “" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t))
  :test-in-comments nil :test-in-strings nil)

722 723 724 725 726 727 728 729 730 731 732 733 734 735
(define-electric-pair-test electric-quote-context-sensitive-after-letter-single
  "a" "-'" :expected-string "a’" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-context-sensitive-after-letter-double
  "a’" "--'" :expected-string "a”" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

736 737 738 739 740 741 742
(define-electric-pair-test electric-quote-replace-double-after-letter
  "a" "-\"" :expected-string "a”" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t))
  :test-in-comments nil :test-in-strings nil)

743 744 745 746 747 748 749 750 751 752 753 754 755 756
(define-electric-pair-test electric-quote-context-sensitive-after-paren-single
  "(" "-'" :expected-string "(‘" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-context-sensitive-after-paren-double
  "(‘" "--'" :expected-string "(“" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-context-sensitive . t))
  :test-in-comments nil :test-in-strings nil)

757 758 759 760 761 762 763
(define-electric-pair-test electric-quote-replace-double-after-paren
  "(" "-\"" :expected-string "(“" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t))
  :test-in-comments nil :test-in-strings nil)

764 765 766 767 768 769 770
(define-electric-pair-test electric-quote-replace-double-no-context-single
  " " "-'" :expected-string " ’" :expected-point 3
  :modes '(text-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t))
  :test-in-comments nil :test-in-strings nil)

771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788
(define-electric-pair-test electric-quote-replace-double-escaped-open
  "foo \\" "-----\"" :expected-string "foo \\“"
  :expected-point 7 :modes '(emacs-lisp-mode c-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t)
              (electric-quote-comment . t)
              (electric-quote-string . t))
  :test-in-comments t :test-in-strings t :test-in-code nil)

(define-electric-pair-test electric-quote-replace-double-escaped-close
  "foo \\“foo\\" "----------\"" :expected-string "foo \\“foo\\”"
  :expected-point 12 :modes '(emacs-lisp-mode c-mode)
  :fixture-fn #'electric-quote-local-mode
  :bindings '((electric-quote-replace-double . t)
              (electric-quote-comment . t)
              (electric-quote-string . t))
  :test-in-comments t :test-in-strings t :test-in-code nil)

789 790
;; Simulate ‘markdown-mode’: it sets both ‘comment-start’ and
;; ‘comment-use-syntax’, but derives from ‘text-mode’.
791 792 793
(define-electric-pair-test electric-quote-markdown-in-text
  "" "'" :expected-string "’" :expected-point 2
  :modes '(text-mode)
794 795 796 797 798 799
  :fixture-fn (lambda ()
                (electric-quote-local-mode)
                (add-hook 'electric-quote-inhibit-functions
                          (lambda ()
                            (save-excursion (search-backward "`" nil t)))
                          nil :local))
800
  :bindings '((comment-start . "<!--") (comment-use-syntax . t))
801 802 803
  :test-in-comments nil :test-in-strings nil)

(define-electric-pair-test electric-quote-markdown-in-code
804
  "`a`" "-'" :expected-string "`'a`" :expected-point 3
805
  :modes '(text-mode)
806 807 808 809 810 811
  :fixture-fn (lambda ()
                (electric-quote-local-mode)
                (add-hook 'electric-quote-inhibit-functions
                          (lambda ()
                            (save-excursion (search-backward "`" nil t)))
                          nil :local))
812
  :bindings '((comment-start . "<!--") (comment-use-syntax . t))
813 814
  :test-in-comments nil :test-in-strings nil)

815 816 817

;;; tests for `electric-layout-mode'

818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842
(ert-deftest electric-layout-int-main-kernel-style ()
  (ert-with-test-buffer ()
    (c-mode)
    (electric-layout-local-mode 1)
    (electric-pair-local-mode 1)
    (electric-indent-local-mode 1)
    (setq-local electric-layout-rules
                '((?\{ . (after-stay after))))
    (insert "int main () ")
    (let ((last-command-event ?\{))
      (call-interactively (key-binding `[,last-command-event])))
    (should (equal (buffer-string) "int main () {\n  \n}"))))

(ert-deftest electric-layout-int-main-allman-style ()
  (ert-with-test-buffer ()
    (c-mode)
    (electric-layout-local-mode 1)
    (electric-pair-local-mode 1)
    (electric-indent-local-mode 1)
    (setq-local electric-layout-rules
                '((?\{ . (before after-stay after))))
    (insert "int main () ")
    (let ((last-command-event ?\{))
      (call-interactively (key-binding `[,last-command-event])))
    (should (equal (buffer-string) "int main ()\n{\n  \n}"))))
843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918

(define-derived-mode plainer-c-mode c-mode "pC"
  "A plainer/saner C-mode with no internal electric machinery."
  (c-toggle-electric-state -1)
  (setq-local electric-indent-local-mode-hook nil)
  (setq-local electric-indent-mode-hook nil)
  (electric-indent-local-mode 1)
  (dolist (key '(?\" ?\' ?\{ ?\} ?\( ?\) ?\[ ?\]))
    (local-set-key (vector key) 'self-insert-command)))

(ert-deftest electric-modes-in-c-mode-with-self-insert-command ()
  (ert-with-test-buffer ()
    (plainer-c-mode)
    (electric-layout-local-mode 1)
    (electric-pair-local-mode 1)
    (electric-indent-local-mode 1)
    (setq-local electric-layout-rules
                '((?\{ . (before after-stay after))))
    (insert "int main () ")
    (let ((last-command-event ?\{))
      (call-interactively (key-binding `[,last-command-event])))
    (should (equal (buffer-string) "int main ()\n{\n  \n}"))))

(ert-deftest electric-pair-mode-newline-between-parens ()
  (ert-with-test-buffer ()
    (plainer-c-mode)
    (electric-layout-local-mode -1) ;; ensure e-l-m mode is off
    (electric-pair-local-mode 1)
    (insert-before-markers "int main () {}")
    (backward-char 1)
    (let ((last-command-event ?))
      (call-interactively (key-binding `[,last-command-event])))
    (should (equal (buffer-string) "int main () {\n  \n}"))))

(ert-deftest electric-layout-mode-newline-between-parens-without-e-p-m ()
  (ert-with-test-buffer ()
    (plainer-c-mode)
    (electric-layout-local-mode 1)
    (electric-pair-local-mode -1) ;; ensure e-p-m mode is off
    (electric-indent-local-mode 1)
    (setq-local electric-layout-rules
                '((?\n
                   .
                   (lambda ()
                     (when (eq (save-excursion
                                 (skip-chars-backward "\t\s")
                                 (char-before (1- (point))))
                               (matching-paren (char-after)))
                       '(after-stay))))))
    (insert "int main () {}")
    (backward-char 1)
    (let ((last-command-event ?))
      (call-interactively (key-binding `[,last-command-event])))
    (should (equal (buffer-string) "int main () {\n  \n}"))))

(ert-deftest electric-layout-mode-newline-between-parens-without-e-p-m-2 ()
  (ert-with-test-buffer ()
    (plainer-c-mode)
    (electric-layout-local-mode 1)
    (electric-pair-local-mode -1) ;; ensure e-p-m mode is off
    (electric-indent-local-mode 1)
    (setq-local electric-layout-rules
                '((lambda (char)
                    (when (and
                           (eq char ?\n)
                           (eq (save-excursion
                                 (skip-chars-backward "\t\s")
                                 (char-before (1- (point))))
                               (matching-paren (char-after))))
                       '(after-stay)))))
    (insert "int main () {}")
    (backward-char 1)
    (let ((last-command-event ?))
      (call-interactively (key-binding `[,last-command-event])))
    (should (equal (buffer-string) "int main () {\n  \n}"))))

919 920
(provide 'electric-tests)
;;; electric-tests.el ends here