+<?php
+
+namespace Drupal\Tests\comment\Kernel\Migrate\d6;
+
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
+use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
+
+/**
+ * Tests the migration of comment form display from Drupal 6.
+ *
+ * @group comment
+ * @group migrate_drupal_6
+ */
+class MigrateCommentEntityFormDisplayTest extends MigrateDrupal6TestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['comment', 'menu_ui'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+ $this->installConfig(['comment']);
+ $this->migrateContentTypes();
+ $this->executeMigrations([
+ 'd6_comment_type',
+ 'd6_comment_field',
+ 'd6_comment_field_instance',
+ 'd6_comment_entity_form_display',
+ ]);
+ }
+
+ /**
+ * Asserts various aspects of a comment component in an entity form display.
+ *
+ * @param string $id
+ * The entity ID.
+ * @param string $component_id
+ * The ID of the form component.
+ */
+ protected function assertDisplay($id, $component_id) {
+ $component = EntityFormDisplay::load($id)->getComponent($component_id);
+ $this->assertInternalType('array', $component);
+ $this->assertSame('comment_default', $component['type']);
+ $this->assertSame(20, $component['weight']);
+ }
+
+ /**
+ * Tests the migrated display configuration.
+ */
+ public function testMigration() {
+ $this->assertDisplay('node.article.default', 'comment_node_article');
+ $this->assertDisplay('node.company.default', 'comment_node_company');
+ $this->assertDisplay('node.employee.default', 'comment_node_employee');
+ $this->assertDisplay('node.event.default', 'comment_node_event');
+ $this->assertDisplay('node.forum.default', 'comment_forum');
+ $this->assertDisplay('node.page.default', 'comment_node_page');
+ $this->assertDisplay('node.sponsor.default', 'comment_node_sponsor');
+ $this->assertDisplay('node.story.default', 'comment_node_story');
+ $this->assertDisplay('node.test_event.default', 'comment_node_test_event');
+ $this->assertDisplay('node.test_page.default', 'comment_node_test_page');
+ $this->assertDisplay('node.test_planet.default', 'comment_node_test_planet');
+ $this->assertDisplay('node.test_story.default', 'comment_node_test_story');
+ }
+
+}