--- /dev/null
+<?php
+
+namespace Drupal\Tests\comment\Functional;
+
+/**
+ * Tests to ensure that appropriate and accessible markup is created for comment
+ * titles.
+ *
+ * @group comment
+ */
+class CommentTitleTest extends CommentTestBase {
+ /**
+ * Tests markup for comments with empty titles.
+ */
+ public function testCommentEmptyTitles() {
+ // Installs module that sets comments to an empty string.
+ \Drupal::service('module_installer')->install(['comment_empty_title_test']);
+
+ // Set comments to have a subject with preview disabled.
+ $this->setCommentPreview(DRUPAL_DISABLED);
+ $this->setCommentForm(TRUE);
+ $this->setCommentSubject(TRUE);
+
+ // Create a node.
+ $this->drupalLogin($this->webUser);
+ $this->node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1, 'uid' => $this->webUser->id()]);
+
+ // Post comment #1 and verify that h3's are not rendered.
+ $subject_text = $this->randomMachineName();
+ $comment_text = $this->randomMachineName();
+ $comment = $this->postComment($this->node, $comment_text, $subject_text, TRUE);
+
+ // The entity fields for name and mail have no meaning if the user is not
+ // Anonymous.
+ $this->assertNull($comment->name->value);
+ $this->assertNull($comment->mail->value);
+
+ // Confirm that the comment was created.
+ $regex = '/<a id="comment-' . $comment->id() . '"(.*?)';
+ $regex .= $comment->comment_body->value . '(.*?)';
+ $regex .= '/s';
+ $this->assertPattern($regex, 'Comment is created successfully');
+ // Tests that markup is not generated for the comment without header.
+ $this->assertNoPattern('|<h3[^>]*></h3>|', 'Comment title H3 element not found when title is an empty string.');
+ }
+
+ /**
+ * Tests markup for comments with populated titles.
+ */
+ public function testCommentPopulatedTitles() {
+ // Set comments to have a subject with preview disabled.
+ $this->setCommentPreview(DRUPAL_DISABLED);
+ $this->setCommentForm(TRUE);
+ $this->setCommentSubject(TRUE);
+
+ // Create a node.
+ $this->drupalLogin($this->webUser);
+ $this->node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1, 'uid' => $this->webUser->id()]);
+
+ // Post comment #1 and verify that title is rendered in h3.
+ $subject_text = $this->randomMachineName();
+ $comment_text = $this->randomMachineName();
+ $comment1 = $this->postComment($this->node, $comment_text, $subject_text, TRUE);
+
+ // The entity fields for name and mail have no meaning if the user is not
+ // Anonymous.
+ $this->assertNull($comment1->name->value);
+ $this->assertNull($comment1->mail->value);
+
+ // Confirm that the comment was created.
+ $this->assertTrue($this->commentExists($comment1), 'Comment #1. Comment found.');
+ // Tests that markup is created for comment with heading.
+ $this->assertPattern('|<h3[^>]*><a[^>]*>' . $subject_text . '</a></h3>|', 'Comment title is rendered in h3 when title populated.');
+ // Tests that the comment's title link is the permalink of the comment.
+ $comment_permalink = $this->cssSelect('.permalink');
+ $comment_permalink = $comment_permalink[0]->getAttribute('href');
+ // Tests that the comment's title link contains the url fragment.
+ $this->assertTrue(strpos($comment_permalink, '#comment-' . $comment1->id()), "The comment's title link contains the url fragment.");
+ $this->assertEqual($comment1->permalink()->toString(), $comment_permalink, "The comment's title has the correct link.");
+ }
+
+}