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Diffstat (limited to 'test/lisp/legacy/occur-tests.el')
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diff --git a/test/lisp/legacy/occur-tests.el b/test/lisp/legacy/occur-tests.el new file mode 100644 index 00000000000..1699cd007e5 --- /dev/null +++ b/test/lisp/legacy/occur-tests.el @@ -0,0 +1,352 @@ +;;; occur-tests.el --- Test suite for occur. + +;; Copyright (C) 2010-2015 Free Software Foundation, Inc. + +;; Author: Juri Linkov <juri@jurta.org> +;; Keywords: matching, internal + +;; 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/>. + +;;; Code: + +(require 'ert) + +(defconst occur-tests + '( + ;; * Test one-line matches (at bob, eob, bol, eol). + ("x" 0 "\ +xa +b +cx +xd +xex +fx +" "\ +6 matches in 5 lines for \"x\" in buffer: *test-occur* + 1:xa + 3:cx + 4:xd + 5:xex + 6:fx +") + ;; * Test multi-line matches, this is the first test from + ;; http://lists.gnu.org/archive/html/emacs-devel/2005-06/msg01008.html + ;; where numbers are replaced with letters. + ("a\na" 0 "\ +a +a +a +a +a +" "\ +2 matches for \"a\na\" in buffer: *test-occur* + 1:a + :a + 3:a + :a +") + ;; * Test multi-line matches, this is the second test from + ;; http://lists.gnu.org/archive/html/emacs-devel/2005-06/msg01008.html + ;; where numbers are replaced with letters. + ("a\nb" 0 "\ +a +b +c +a +b +" "\ +2 matches for \"a\nb\" in buffer: *test-occur* + 1:a + :b + 4:a + :b +") + ;; * Test line numbers for multi-line matches with empty last match line. + ("a\n" 0 "\ +a + +c +a + +" "\ +2 matches for \"a\n\" in buffer: *test-occur* + 1:a + : + 4:a + : +") + ;; * Test multi-line matches with 3 match lines. + ("x\n.x\n" 0 "\ +ax +bx +c +d +ex +fx +" "\ +2 matches for \"x\n.x\n\" in buffer: *test-occur* + 1:ax + :bx + :c + 5:ex + :fx + : +") + ;; * Test non-overlapping context lines with matches at bob/eob. + ("x" 1 "\ +ax +b +c +d +ex +f +g +hx +" "\ +3 matches for \"x\" in buffer: *test-occur* + 1:ax + :b +------- + :d + 5:ex + :f +------- + :g + 8:hx +") + ;; * Test non-overlapping context lines with matches not at bob/eob. + ("x" 1 "\ +a +bx +c +d +ex +f +" "\ +2 matches for \"x\" in buffer: *test-occur* + :a + 2:bx + :c +------- + :d + 5:ex + :f +") + ;; * Test overlapping context lines with matches at bob/eob. + ("x" 2 "\ +ax +bx +c +dx +e +f +gx +h +i +j +kx +" "\ +5 matches for \"x\" in buffer: *test-occur* + 1:ax + 2:bx + :c + 4:dx + :e + :f + 7:gx + :h + :i + :j + 11:kx +") + ;; * Test overlapping context lines with matches not at bob/eob. + ("x" 2 "\ +a +b +cx +d +e +f +gx +h +i +" "\ +2 matches for \"x\" in buffer: *test-occur* + :a + :b + 3:cx + :d + :e + :f + 7:gx + :h + :i +") + ;; * Test overlapping context lines with empty first and last line.. + ("x" 2 "\ + +b +cx +d +e +f +gx +h + +" "\ +2 matches for \"x\" in buffer: *test-occur* + : + :b + 3:cx + :d + :e + :f + 7:gx + :h + : +") + ;; * Test multi-line overlapping context lines. + ("x\n.x" 2 "\ +ax +bx +c +d +ex +fx +g +h +i +jx +kx +" "\ +3 matches for \"x\n.x\" in buffer: *test-occur* + 1:ax + :bx + :c + :d + 5:ex + :fx + :g + :h + :i + 10:jx + :kx +") + ;; * Test multi-line non-overlapping context lines. + ("x\n.x" 2 "\ +ax +bx +c +d +e +f +gx +hx +" "\ +2 matches for \"x\n.x\" in buffer: *test-occur* + 1:ax + :bx + :c + :d +------- + :e + :f + 7:gx + :hx +") + ;; * Test non-overlapping negative (before-context) lines. + ("x" -2 "\ +a +bx +c +d +e +fx +g +h +ix +" "\ +3 matches for \"x\" in buffer: *test-occur* + :a + 2:bx +------- + :d + :e + 6:fx +------- + :g + :h + 9:ix +") + ;; * Test overlapping negative (before-context) lines. + ("x" -3 "\ +a +bx +c +dx +e +f +gx +h +" "\ +3 matches for \"x\" in buffer: *test-occur* + :a + 2:bx + :c + 4:dx + :e + :f + 7:gx +") + +) + "List of tests for `occur'. +Each element has the format: +\(REGEXP NLINES INPUT-BUFFER-STRING OUTPUT-BUFFER-STRING).") + +(defun occur-test-case (test) + (let ((regexp (nth 0 test)) + (nlines (nth 1 test)) + (input-buffer-string (nth 2 test)) + (temp-buffer (get-buffer-create " *test-occur*"))) + (unwind-protect + (save-window-excursion + (with-current-buffer temp-buffer + (erase-buffer) + (insert input-buffer-string) + (occur regexp nlines) + (with-current-buffer "*Occur*" + (buffer-substring-no-properties (point-min) (point-max))))) + (and (buffer-name temp-buffer) + (kill-buffer temp-buffer))))) + +(defun occur-test-create (n) + "Create a test for element N of the `occur-tests' constant." + (let ((testname (intern (format "occur-test-%.2d" n))) + (testdoc (format "Test element %d of `occur-tests'." n))) + (eval + `(ert-deftest ,testname () + ,testdoc + (let (occur-hook) + (should (equal (occur-test-case (nth ,n occur-tests)) + (nth 3 (nth ,n occur-tests))))))))) + +(dotimes (i (length occur-tests)) + (occur-test-create i)) + +(provide 'occur-tests) + +;;; occur-tests.el ends here |