--- /dev/null
+<?php
+
+namespace Drupal\Tests\comment\Kernel\Migrate\d6;
+
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
+
+/**
+ * Tests the migration of comment fields from Drupal 6.
+ *
+ * @group comment
+ * @group migrate_drupal_6
+ */
+class MigrateCommentFieldTest extends MigrateDrupal6TestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['comment', 'menu_ui'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+ $this->installConfig(['comment']);
+ $this->executeMigrations([
+ 'd6_comment_type',
+ 'd6_comment_field',
+ ]);
+ }
+
+ /**
+ * Asserts a comment field entity.
+ *
+ * @param string $comment_type
+ * The comment type.
+ */
+ protected function assertEntity($comment_type) {
+ $entity = FieldStorageConfig::load('node.' . $comment_type);
+ $this->assertInstanceOf(FieldStorageConfig::class, $entity);
+ $this->assertSame('node', $entity->getTargetEntityTypeId());
+ $this->assertSame('comment', $entity->getType());
+ $this->assertSame($comment_type, $entity->getSetting('comment_type'));
+ }
+
+ /**
+ * Tests the migrated comment fields.
+ */
+ public function testMigration() {
+ $this->assertEntity('comment_node_article');
+ $this->assertEntity('comment_node_company');
+ $this->assertEntity('comment_node_employee');
+ $this->assertEntity('comment_node_event');
+ $this->assertEntity('comment_forum');
+ $this->assertEntity('comment_node_page');
+ $this->assertEntity('comment_node_sponsor');
+ $this->assertEntity('comment_node_story');
+ $this->assertEntity('comment_node_test_event');
+ $this->assertEntity('comment_node_test_page');
+ $this->assertEntity('comment_node_test_planet');
+ $this->assertEntity('comment_node_test_story');
+ }
+
+}