--- /dev/null
+<?php
+
+namespace Drupal\Tests\field\Kernel\Email;
+
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\FieldItemInterface;
+use Drupal\entity_test\Entity\EntityTest;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\Tests\field\Kernel\FieldKernelTestBase;
+use Drupal\field\Entity\FieldStorageConfig;
+
+/**
+ * Tests the new entity API for the email field type.
+ *
+ * @group field
+ */
+class EmailItemTest extends FieldKernelTestBase {
+
+ protected function setUp() {
+ parent::setUp();
+
+ // Create an email field storage and field for validation.
+ FieldStorageConfig::create([
+ 'field_name' => 'field_email',
+ 'entity_type' => 'entity_test',
+ 'type' => 'email',
+ ])->save();
+ FieldConfig::create([
+ 'entity_type' => 'entity_test',
+ 'field_name' => 'field_email',
+ 'bundle' => 'entity_test',
+ ])->save();
+
+ // Create a form display for the default form mode.
+ entity_get_form_display('entity_test', 'entity_test', 'default')
+ ->setComponent('field_email', [
+ 'type' => 'email_default',
+ ])
+ ->save();
+ }
+
+ /**
+ * Tests using entity fields of the email field type.
+ */
+ public function testEmailItem() {
+ // Verify entity creation.
+ $entity = EntityTest::create();
+ $value = 'test@example.com';
+ $entity->field_email = $value;
+ $entity->name->value = $this->randomMachineName();
+ $entity->save();
+
+ // Verify entity has been created properly.
+ $id = $entity->id();
+ $entity = EntityTest::load($id);
+ $this->assertTrue($entity->field_email instanceof FieldItemListInterface, 'Field implements interface.');
+ $this->assertTrue($entity->field_email[0] instanceof FieldItemInterface, 'Field item implements interface.');
+ $this->assertEqual($entity->field_email->value, $value);
+ $this->assertEqual($entity->field_email[0]->value, $value);
+
+ // Verify changing the email value.
+ $new_value = $this->randomMachineName();
+ $entity->field_email->value = $new_value;
+ $this->assertEqual($entity->field_email->value, $new_value);
+
+ // Read changed entity and assert changed values.
+ $entity->save();
+ $entity = EntityTest::load($id);
+ $this->assertEqual($entity->field_email->value, $new_value);
+
+ // Test sample item generation.
+ $entity = EntityTest::create();
+ $entity->field_email->generateSampleItems();
+ $this->entityValidateAndSave($entity);
+ }
+
+}