Edit: IpValidatorTest.php

Editing: IpValidatorTest.php

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<?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\Ip;
use Symfony\Component\Validator\Constraints\IpValidator;

class IpValidatorTest extends \PHPUnit_Framework_TestCase
{
    protected $context;
    protected $validator;

protected function setUp()
    {
        $this->context = $this->getMock('Symfony\Component\Validator\ExecutionContext', array(), array(), '', false);
        $this->validator = new IpValidator();
        $this->validator->initialize($this->context);
    }

protected function tearDown()
    {
        $this->context = null;
        $this->validator = null;
    }

public function testNullIsValid()
    {
        $this->context->expects($this->never())
            ->method('addViolation');

$this->validator->validate(null, new Ip());
    }

public function testEmptyStringIsValid()
    {
        $this->context->expects($this->never())
            ->method('addViolation');

$this->validator->validate('', new Ip());
    }

/**
     * @expectedException \Symfony\Component\Validator\Exception\UnexpectedTypeException
     */
    public function testExpectsStringCompatibleType()
    {
        $this->validator->validate(new \stdClass(), new Ip());
    }

/**
     * @expectedException \Symfony\Component\Validator\Exception\ConstraintDefinitionException
     */
    public function testInvalidValidatorVersion()
    {
        $ip = new Ip(array(
            'version' => 666,
        ));
    }

/**
     * @dataProvider getValidIpsV4
     */
    public function testValidIpsV4($ip)
    {
        $this->context->expects($this->never())
            ->method('addViolation');

$this->validator->validate($ip, new Ip(array(
            'version' => Ip::V4,
        )));
    }

public function getValidIpsV4()
    {
        return array(
            array('0.0.0.0'),
            array('10.0.0.0'),
            array('123.45.67.178'),
            array('172.16.0.0'),
            array('192.168.1.0'),
            array('224.0.0.1'),
            array('255.255.255.255'),
            array('127.0.0.0'),
        );
    }

/**
     * @dataProvider getValidIpsV6
     */
    public function testValidIpsV6($ip)
    {
        $this->context->expects($this->never())
            ->method('addViolation');

$this->validator->validate($ip, new Ip(array(
            'version' => Ip::V6,
        )));
    }

public function getValidIpsV6()
    {
        return array(
            array('2001:0db8:85a3:0000:0000:8a2e:0370:7334'),
            array('2001:0DB8:85A3:0000:0000:8A2E:0370:7334'),
            array('2001:0Db8:85a3:0000:0000:8A2e:0370:7334'),
            array('fdfe:dcba:9876:ffff:fdc6:c46b:bb8f:7d4c'),
            array('fdc6:c46b:bb8f:7d4c:fdc6:c46b:bb8f:7d4c'),
            array('fdc6:c46b:bb8f:7d4c:0000:8a2e:0370:7334'),
            array('fe80:0000:0000:0000:0202:b3ff:fe1e:8329'),
            array('fe80:0:0:0:202:b3ff:fe1e:8329'),
            array('fe80::202:b3ff:fe1e:8329'),
            array('0:0:0:0:0:0:0:0'),
            array('::'),
            array('0::'),
            array('::0'),
            array('0::0'),
            // IPv4 mapped to IPv6
            array('2001:0db8:85a3:0000:0000:8a2e:0.0.0.0'),
            array('::0.0.0.0'),
            array('::255.255.255.255'),
            array('::123.45.67.178'),
        );
    }

/**
     * @dataProvider getValidIpsAll
     */
    public function testValidIpsAll($ip)
    {
        $this->context->expects($this->never())
            ->method('addViolation');

$this->validator->validate($ip, new Ip(array(
            'version' => Ip::ALL,
        )));
    }

public function getValidIpsAll()
    {
        return array_merge($this->getValidIpsV4(), $this->getValidIpsV6());
    }

/**
     * @dataProvider getInvalidIpsV4
     */
    public function testInvalidIpsV4($ip)
    {
        $constraint = new Ip(array(
            'version' => Ip::V4,
            'message' => 'myMessage',
        ));