Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/validator/Tests/Constraints/NotNullValidatorTest.php

@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Tests\Constraints;
+
+use Symfony\Component\Validator\Constraints\NotNull;
+use Symfony\Component\Validator\Constraints\NotNullValidator;
+use Symfony\Component\Validator\Validation;
+
+class NotNullValidatorTest extends AbstractConstraintValidatorTest
+{
+    protected function getApiVersion()
+    {
+        return Validation::API_VERSION_2_5;
+    }
+
+    protected function createValidator()
+    {
+        return new NotNullValidator();
+    }
+
+    /**
+     * @dataProvider getValidValues
+     */
+    public function testValidValues($value)
+    {
+        $this->validator->validate($value, new NotNull());
+
+        $this->assertNoViolation();
+    }
+
+    public function getValidValues()
+    {
+        return array(
+            array(0),
+            array(false),
+            array(true),
+            array(''),
+        );
+    }
+
+    public function testNullIsInvalid()
+    {
+        $constraint = new NotNull(array(
+            'message' => 'myMessage',
+        ));
+
+        $this->validator->validate(null, $constraint);
+
+        $this->buildViolation('myMessage')->assertRaised();
+    }
+}