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1dd4f26ab6
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95 lines
3.6 KiB
EmacsLisp
95 lines
3.6 KiB
EmacsLisp
;;; descr-text-test.el --- ERT tests for descr-text.el -*- lexical-binding: t -*-
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;; Copyright (C) 2014, 2016 Free Software Foundation, Inc.
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;; Author: Michal Nazarewicz <mina86@mina86.com>
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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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;; This package defines regression tests for the descr-text package.
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;;; Code:
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(require 'ert)
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(require 'descr-text)
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(ert-deftest descr-text-test-truncate ()
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"Tests describe-char-eldoc--truncate function."
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(should (equal ""
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(describe-char-eldoc--truncate " \t \n" 100)))
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(should (equal "foo"
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(describe-char-eldoc--truncate "foo" 1)))
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(should (equal "foo..."
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(describe-char-eldoc--truncate "foo wilma fred" 0)))
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(should (equal "foo..."
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(describe-char-eldoc--truncate
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"foo wilma fred" (length "foo wilma"))))
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(should (equal "foo wilma..."
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(describe-char-eldoc--truncate
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"foo wilma fred" (+ 3 (length "foo wilma")))))
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(should (equal "foo wilma..."
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(describe-char-eldoc--truncate
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"foo wilma fred" (1- (length "foo wilma fred")))))
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(should (equal "foo wilma fred"
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(describe-char-eldoc--truncate
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"foo wilma fred" (length "foo wilma fred"))))
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(should (equal "foo wilma fred"
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(describe-char-eldoc--truncate
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" foo\t wilma \nfred\t " (length "foo wilma fred")))))
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(ert-deftest descr-text-test-format-desc ()
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"Tests describe-char-eldoc--format function."
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(should (equal "U+2026: Horizontal ellipsis (Po: Punctuation, Other)"
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(describe-char-eldoc--format ?…)))
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(should (equal "U+2026: Horizontal ellipsis (Punctuation, Other)"
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(describe-char-eldoc--format ?… 51)))
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(should (equal "U+2026: Horizontal ellipsis (Po)"
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(describe-char-eldoc--format ?… 40)))
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(should (equal "Horizontal ellipsis (Po)"
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(describe-char-eldoc--format ?… 30)))
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(should (equal "Horizontal ellipsis"
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(describe-char-eldoc--format ?… 20)))
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(should (equal "Horizontal..."
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(describe-char-eldoc--format ?… 10))))
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(ert-deftest descr-text-test-desc ()
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"Tests describe-char-eldoc function."
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(with-temp-buffer
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(insert "a…")
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(goto-char (point-min))
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(should (eq ?a (following-char))) ; make sure we are where we think we are
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;; Function should return nil for an ASCII character.
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(should (not (describe-char-eldoc)))
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(goto-char (1+ (point)))
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(should (eq ?… (following-char)))
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(let ((eldoc-echo-area-use-multiline-p t))
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;; Function should return description of an Unicode character.
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(should (equal "U+2026: Horizontal ellipsis (Po: Punctuation, Other)"
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(describe-char-eldoc))))
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(goto-char (point-max))
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;; At the end of the buffer, function should return nil and not blow up.
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(should (not (describe-char-eldoc)))))
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(provide 'descr-text-test)
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;;; descr-text-test.el ends here
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