--- /dev/null
+<?php
+
+namespace Drupal\entity_test\Entity;
+use Drupal\Core\Entity\EntityTypeInterface;
+
+/**
+ * Defines a test class for testing composite constraints.
+ *
+ * @ContentEntityType(
+ * id = "entity_test_composite_constraint",
+ * label = @Translation("Test entity constraints with composite constraint"),
+ * entity_keys = {
+ * "id" = "id",
+ * "uuid" = "uuid",
+ * "bundle" = "type",
+ * "label" = "name"
+ * },
+ * handlers = {
+ * "form" = {
+ * "default" = "Drupal\entity_test\EntityTestForm"
+ * }
+ * },
+ * base_table = "entity_test_composite_constraint",
+ * persistent_cache = FALSE,
+ * constraints = {
+ * "EntityTestComposite" = {},
+ * "EntityTestEntityLevel" = {},
+ * }
+ * )
+ */
+class EntityTestCompositeConstraint extends EntityTest {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
+ $fields = parent::baseFieldDefinitions($entity_type);
+
+ $fields['name']->setDisplayOptions('form', [
+ 'type' => 'string',
+ 'weight' => 0,
+ ]);
+
+ $fields['type']->setDisplayOptions('form', [
+ 'type' => 'entity_reference_autocomplete',
+ 'weight' => 0,
+ ]);
+
+ return $fields;
+ }
+
+}