--- /dev/null
+<?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\IsTrue;
+use Symfony\Component\Validator\Constraints\IsTrueValidator;
+use Symfony\Component\Validator\Validation;
+
+class IsTrueValidatorTest extends AbstractConstraintValidatorTest
+{
+ protected function getApiVersion()
+ {
+ return Validation::API_VERSION_2_5;
+ }
+
+ protected function createValidator()
+ {
+ return new IsTrueValidator();
+ }
+
+ public function testNullIsValid()
+ {
+ $this->validator->validate(null, new IsTrue());
+
+ $this->assertNoViolation();
+ }
+
+ public function testTrueIsValid()
+ {
+ $this->validator->validate(true, new IsTrue());
+
+ $this->assertNoViolation();
+ }
+
+ public function testFalseIsInvalid()
+ {
+ $constraint = new IsTrue(array(
+ 'message' => 'myMessage',
+ ));
+
+ $this->validator->validate(false, $constraint);
+
+ $this->buildViolation('myMessage')
+ ->setParameter('{{ value }}', 'false')
+ ->setCode(IsTrue::NOT_TRUE_ERROR)
+ ->assertRaised();
+ }
+}