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+<?php
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+declare(strict_types=1);
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+
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+use PHPUnit\Framework\TestCase;
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+
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+require_once __DIR__ . '/../php/markdown.php';
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+
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+final class InlineTests extends TestCase {
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+ /** @type {Markdown} */
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+ private ?Markdown $parser = null;
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+
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+ protected function setUp(): void {
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+ parent::setUp();
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+ $this->parser = Markdown::completeParser();
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+ }
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+
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+ private function md(string $markdown): string {
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+ return $this->normalizeWhitespace($this->parser->toHTML($markdown));
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+ }
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+
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+ private function normalizeWhitespace(string $str): string {
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+ $str = mb_eregi_replace('\\s+', ' ', $str);
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+ return trim($str);
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+ }
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+
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+ public function test_simpleText() {
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+ $markdown = 'Lorem ipsum';
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+ $expected = 'Lorem ipsum';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strong() {
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+ $markdown = 'Lorem **ipsum** dolor **sit**';
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+ $expected = 'Lorem <strong>ipsum</strong> dolor <strong>sit</strong>';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_emphasis() {
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+ $markdown = 'Lorem _ipsum_ dolor _sit_';
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+ $expected = 'Lorem <em>ipsum</em> dolor <em>sit</em>';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_cleanNesting1() {
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+ $markdown = 'Lorem **ipsum *dolor* sit** amet';
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+ $expected = 'Lorem <strong>ipsum <em>dolor</em> sit</strong> amet';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_cleanNesting2() {
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+ $markdown = 'Lorem *ipsum **dolor** sit* amet';
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+ $expected = 'Lorem <em>ipsum <strong>dolor</strong> sit</em> amet';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_tightNesting() {
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+ $markdown = 'Lorem ***ipsum*** dolor';
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+ $expected = 'Lorem <strong><em>ipsum</em></strong> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_lopsidedNesting1() {
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+ $markdown = 'Lorem ***ipsum* dolor** sit';
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+ $expected = 'Lorem <strong><em>ipsum</em> dolor</strong> sit';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_lopsidedNesting2() {
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+ $markdown = 'Lorem ***ipsum** dolor* sit';
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+ $expected = 'Lorem <em><strong>ipsum</strong> dolor</em> sit';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_lopsidedNesting3() {
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+ $markdown = 'Lorem **ipsum *dolor*** sit';
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+ $expected = 'Lorem <strong>ipsum <em>dolor</em></strong> sit';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strongEmphasis_lopsidedNesting4() {
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+ $markdown = 'Lorem *ipsum **dolor*** sit';
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+ $expected = 'Lorem <em>ipsum <strong>dolor</strong></em> sit';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_inlineCode() {
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+ $markdown = 'Lorem `ipsum` dolor';
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+ $expected = 'Lorem <code>ipsum</code> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_inlineCode_withInnerBacktick() {
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+ $markdown = 'Lorem ``ip`su`m`` dolor';
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+ $expected = 'Lorem <code>ip`su`m</code> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_strikethrough_double() {
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+ $markdown = 'Lorem ~~ipsum~~ dolor';
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+ $expected = 'Lorem <s>ipsum</s> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_subscript() {
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+ $markdown = 'H~2~O';
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+ $expected = 'H<sub>2</sub>O';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_superscript() {
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+ $markdown = 'E=mc^2^';
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+ $expected = 'E=mc<sup>2</sup>';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_highlight() {
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+ $markdown = 'Lorem ==ipsum== dolor';
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+ $expected = 'Lorem <mark>ipsum</mark> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_underline() {
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+ $markdown = 'Lorem __ipsum__ dolor';
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+ $expected = 'Lorem <u>ipsum</u> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_fullyQualified() {
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+ $markdown = 'Lorem [ipsum](https://example.com/path/page.html) dolor';
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+ $expected = 'Lorem <a href="https://example.com/path/page.html">ipsum</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_relative() {
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+ $markdown = 'Lorem [ipsum](page.html) dolor';
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+ $expected = 'Lorem <a href="page.html">ipsum</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_title() {
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+ $markdown = 'Lorem [ipsum](page.html "link title") dolor';
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+ $expected = 'Lorem <a href="page.html" title="link title">ipsum</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_literal() {
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+ $markdown = 'Lorem <https://example.com> dolor';
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+ $expected = 'Lorem <a href="https://example.com">https://example.com</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_ref() {
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+ $markdown = "Lorem [ipsum][ref] dolor\n\n[ref]: https://example.com";
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+ $expected = '<p>Lorem <a href="https://example.com">ipsum</a> dolor</p>';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_email() {
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+ $markdown = 'Lorem [ipsum](user@example.com) dolor';
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+ $expected = 'Lorem <a href="mailto:user@example.com">ipsum</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_email_withTitle() {
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+ $markdown = 'Lorem [ipsum](user@example.com "title") dolor';
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+ $expected = 'Lorem <a href="mailto:user@example.com" title="title">ipsum</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_literalEmail() {
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+ $markdown = 'Lorem <user@example.com> dolor';
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+ $expected = 'Lorem <a href="mailto:user@example.com">user@example.com</a> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_image() {
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+ $markdown = 'Lorem [](page.html) ipsum';
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+ $expected = 'Lorem <a href="page.html"><img src="image.jpg" alt="alt"></a> ipsum';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_link_image_complex() {
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+ $markdown = 'Lorem [![alt] (image.jpg "image title")] (page.html "link title") ipsum';
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+ $expected = 'Lorem <a href="page.html" title="link title"><img src="image.jpg" alt="alt" title="image title"></a> ipsum';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_image() {
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+ $markdown = 'Lorem  dolor';
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+ $expected = 'Lorem <img src="image.jpg" alt="alt text"> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_image_noAlt() {
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+ $markdown = 'Lorem  dolor';
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+ $expected = 'Lorem <img src="image.jpg"> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_image_withTitle() {
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+ $markdown = 'Lorem  dolor';
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+ $expected = 'Lorem <img src="image.jpg" alt="alt text" title="image title"> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_image_ref() {
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+ $markdown = "Lorem ![alt text][ref] dolor\n\n" .
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+ '[ref]: image.jpg "image title"';
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+ $expected = '<p>Lorem <img src="image.jpg" alt="alt text" title="image title"> dolor</p>';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+
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+ public function test_htmlTags() {
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+ $markdown = 'Lorem <strong title=\'with " quote\' id="with \' apostrophe" lang=unquoted translate forbidden="true">ipsum</strong> dolor';
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+ $expected = 'Lorem <strong title="with " quote" id="with \' apostrophe" lang="unquoted" translate>ipsum</strong> dolor';
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+ $actual = $this->md($markdown);
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+ $this->assertSame($expected, $actual);
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+ }
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+}
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