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diff --git a/web/core/modules/field/tests/src/Kernel/FieldValidationTest.php b/web/core/modules/field/tests/src/Kernel/FieldValidationTest.php
new file mode 100644
index 000000000..92d33972f
--- /dev/null
+++ b/web/core/modules/field/tests/src/Kernel/FieldValidationTest.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\Tests\field\Kernel;
+
+/**
+ * Tests field validation.
+ *
+ * @group field
+ */
+class FieldValidationTest extends FieldKernelTestBase {
+
+  /**
+   * @var string
+   */
+  private $entityType;
+
+  /**
+   * @var string
+   */
+  private $bundle;
+
+  /**
+   * @var \Drupal\Core\Entity\EntityInterface
+   */
+  private $entity;
+
+  protected function setUp() {
+    parent::setUp();
+
+    // Create a field and storage of type 'test_field', on the 'entity_test'
+    // entity type.
+    $this->entityType = 'entity_test';
+    $this->bundle = 'entity_test';
+    $this->createFieldWithStorage('', $this->entityType, $this->bundle);
+
+    // Create an 'entity_test' entity.
+    $this->entity = entity_create($this->entityType, [
+      'type' => $this->bundle,
+    ]);
+  }
+
+  /**
+   * Tests that the number of values is validated against the field cardinality.
+   */
+  public function testCardinalityConstraint() {
+    $cardinality = $this->fieldTestData->field_storage->getCardinality();
+    $entity = $this->entity;
+
+    for ($delta = 0; $delta < $cardinality + 1; $delta++) {
+      $entity->{$this->fieldTestData->field_name}[] = ['value' => 1];
+    }
+
+    // Validate the field.
+    $violations = $entity->{$this->fieldTestData->field_name}->validate();
+
+    // Check that the expected constraint violations are reported.
+    $this->assertEqual(count($violations), 1);
+    $this->assertEqual($violations[0]->getPropertyPath(), '');
+    $this->assertEqual($violations[0]->getMessage(), t('%name: this field cannot hold more than @count values.', ['%name' => $this->fieldTestData->field->getLabel(), '@count' => $cardinality]));
+  }
+
+  /**
+   * Tests that constraints defined by the field type are validated.
+   */
+  public function testFieldConstraints() {
+    $cardinality = $this->fieldTestData->field_storage->getCardinality();
+    $entity = $this->entity;
+
+    // The test is only valid if the field cardinality is greater than 2.
+    $this->assertTrue($cardinality >= 2);
+
+    // Set up values for the field.
+    $expected_violations = [];
+    for ($delta = 0; $delta < $cardinality; $delta++) {
+      // All deltas except '1' have incorrect values.
+      if ($delta == 1) {
+        $value = 1;
+      }
+      else {
+        $value = -1;
+        $expected_violations[$delta . '.value'][] = t('%name does not accept the value -1.', ['%name' => $this->fieldTestData->field->getLabel()]);
+      }
+      $entity->{$this->fieldTestData->field_name}[] = $value;
+    }
+
+    // Validate the field.
+    $violations = $entity->{$this->fieldTestData->field_name}->validate();
+
+    // Check that the expected constraint violations are reported.
+    $violations_by_path = [];
+    foreach ($violations as $violation) {
+      $violations_by_path[$violation->getPropertyPath()][] = $violation->getMessage();
+    }
+    $this->assertEqual($violations_by_path, $expected_violations);
+  }
+
+}