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diff --git a/web/core/modules/comment/tests/src/Functional/CommentStatisticsTest.php b/web/core/modules/comment/tests/src/Functional/CommentStatisticsTest.php
new file mode 100644
index 000000000..4a0eae087
--- /dev/null
+++ b/web/core/modules/comment/tests/src/Functional/CommentStatisticsTest.php
@@ -0,0 +1,118 @@
+<?php
+
+namespace Drupal\Tests\comment\Functional;
+
+use Drupal\comment\CommentManagerInterface;
+use Drupal\comment\Entity\Comment;
+use Drupal\user\RoleInterface;
+
+/**
+ * Tests comment statistics on nodes.
+ *
+ * @group comment
+ */
+class CommentStatisticsTest extends CommentTestBase {
+
+  /**
+   * A secondary user for posting comments.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $webUser2;
+
+  protected function setUp() {
+    parent::setUp();
+
+    // Create a second user to post comments.
+    $this->webUser2 = $this->drupalCreateUser([
+      'post comments',
+      'create article content',
+      'edit own comments',
+      'post comments',
+      'skip comment approval',
+      'access comments',
+      'access content',
+    ]);
+  }
+
+  /**
+   * Tests the node comment statistics.
+   */
+  public function testCommentNodeCommentStatistics() {
+    $node_storage = $this->container->get('entity.manager')->getStorage('node');
+    // Set comments to have subject and preview disabled.
+    $this->drupalLogin($this->adminUser);
+    $this->setCommentPreview(DRUPAL_DISABLED);
+    $this->setCommentForm(TRUE);
+    $this->setCommentSubject(FALSE);
+    $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Comment paging changed.');
+    $this->drupalLogout();
+
+    // Checks the initial values of node comment statistics with no comment.
+    $node = $node_storage->load($this->node->id());
+    $this->assertEqual($node->get('comment')->last_comment_timestamp, $this->node->getCreatedTime(), 'The initial value of node last_comment_timestamp is the node created date.');
+    $this->assertEqual($node->get('comment')->last_comment_name, NULL, 'The initial value of node last_comment_name is NULL.');
+    $this->assertEqual($node->get('comment')->last_comment_uid, $this->webUser->id(), 'The initial value of node last_comment_uid is the node uid.');
+    $this->assertEqual($node->get('comment')->comment_count, 0, 'The initial value of node comment_count is zero.');
+
+    // Post comment #1 as web_user2.
+    $this->drupalLogin($this->webUser2);
+    $comment_text = $this->randomMachineName();
+    $this->postComment($this->node, $comment_text);
+
+    // Checks the new values of node comment statistics with comment #1.
+    // The node cache needs to be reset before reload.
+    $node_storage->resetCache([$this->node->id()]);
+    $node = $node_storage->load($this->node->id());
+    $this->assertEqual($node->get('comment')->last_comment_name, NULL, 'The value of node last_comment_name is NULL.');
+    $this->assertEqual($node->get('comment')->last_comment_uid, $this->webUser2->id(), 'The value of node last_comment_uid is the comment #1 uid.');
+    $this->assertEqual($node->get('comment')->comment_count, 1, 'The value of node comment_count is 1.');
+
+    // Prepare for anonymous comment submission (comment approval enabled).
+    $this->drupalLogin($this->adminUser);
+    user_role_change_permissions(RoleInterface::ANONYMOUS_ID, [
+      'access comments' => TRUE,
+      'post comments' => TRUE,
+      'skip comment approval' => FALSE,
+    ]);
+    // Ensure that the poster can leave some contact info.
+    $this->setCommentAnonymous('1');
+    $this->drupalLogout();
+
+    // Post comment #2 as anonymous (comment approval enabled).
+    $this->drupalGet('comment/reply/node/' . $this->node->id() . '/comment');
+    $anonymous_comment = $this->postComment($this->node, $this->randomMachineName(), '', TRUE);
+
+    // Checks the new values of node comment statistics with comment #2 and
+    // ensure they haven't changed since the comment has not been moderated.
+    // The node needs to be reloaded with the cache reset.
+    $node_storage->resetCache([$this->node->id()]);
+    $node = $node_storage->load($this->node->id());
+    $this->assertEqual($node->get('comment')->last_comment_name, NULL, 'The value of node last_comment_name is still NULL.');
+    $this->assertEqual($node->get('comment')->last_comment_uid, $this->webUser2->id(), 'The value of node last_comment_uid is still the comment #1 uid.');
+    $this->assertEqual($node->get('comment')->comment_count, 1, 'The value of node comment_count is still 1.');
+
+    // Prepare for anonymous comment submission (no approval required).
+    $this->drupalLogin($this->adminUser);
+    user_role_change_permissions(RoleInterface::ANONYMOUS_ID, [
+      'access comments' => TRUE,
+      'post comments' => TRUE,
+      'skip comment approval' => TRUE,
+    ]);
+    $this->drupalLogout();
+
+    // Post comment #3 as anonymous.
+    $this->drupalGet('comment/reply/node/' . $this->node->id() . '/comment');
+    $anonymous_comment = $this->postComment($this->node, $this->randomMachineName(), '', ['name' => $this->randomMachineName()]);
+    $comment_loaded = Comment::load($anonymous_comment->id());
+
+    // Checks the new values of node comment statistics with comment #3.
+    // The node needs to be reloaded with the cache reset.
+    $node_storage->resetCache([$this->node->id()]);
+    $node = $node_storage->load($this->node->id());
+    $this->assertEqual($node->get('comment')->last_comment_name, $comment_loaded->getAuthorName(), 'The value of node last_comment_name is the name of the anonymous user.');
+    $this->assertEqual($node->get('comment')->last_comment_uid, 0, 'The value of node last_comment_uid is zero.');
+    $this->assertEqual($node->get('comment')->comment_count, 2, 'The value of node comment_count is 2.');
+  }
+
+}