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           <?php
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           // This file is part of Moodle - http://moodle.org/
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           //
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           // Moodle 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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           //
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           // Moodle 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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           //
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           // You should have received a copy of the GNU General Public License
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           // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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           namespace core;
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           /**
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            * Test markdown text format.
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            *
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            * This is not a complete markdown test, it just validates
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            * Moodle integration works.
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            *
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            * See http://daringfireball.net/projects/markdown/basics
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            * for more format information.
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            *
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            * @package    core
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            * @category   test
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            * @copyright  2012 Petr Skoda {@link http://skodak.org}
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            * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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            */
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           ariadna | 
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           final class markdown_test extends \basic_testcase {
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               public function test_paragraphs(): void {
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                   $text = "one\n\ntwo";
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                   $result = "<p>one</p>\n\n<p>two</p>\n";
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                   $this->assertSame($result, markdown_to_html($text));
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               }
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               public function test_headings(): void {
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                   $text = "Header 1\n====================\n\n## Header 2";
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                   $result = "<h1>Header 1</h1>\n\n<h2>Header 2</h2>\n";
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                   $this->assertSame($result, markdown_to_html($text));
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               }
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               public function test_lists(): void {
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                   $text = "* one\n* two\n* three\n";
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                   $result = "<ul>\n<li>one</li>\n<li>two</li>\n<li>three</li>\n</ul>\n";
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                   $this->assertSame($result, markdown_to_html($text));
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               }
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               public function test_links(): void {
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                   $text = "some [example link](http://example.com/)";
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                   $result = "<p>some <a href=\"http://example.com/\">example link</a></p>\n";
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                   $this->assertSame($result, markdown_to_html($text));
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               }
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               public function test_tabs(): void {
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                   $text = "a\tbb\tccc\tя\tюэ\t水\tabcd\tabcde\tabcdef";
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                   $result = "<p>a   bb  ccc я   юэ  水   abcd    abcde   abcdef</p>\n";
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                   $this->assertSame($result, markdown_to_html($text));
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               }
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           }
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