doctrine / dbal

        $this->assertInstanceOf('Doctrine\DBAL\Types\DateIntervalType', $this->type);

    }

    public function testDateIntervalConvertsToDatabaseValue()

    {

        $interval = new \DateInterval('P2Y1DT1H2M3S');

        $expected = '+P0002-00-01T01:02:03';

        $actual = $this->type->convertToDatabaseValue($interval, $this->platform);

        $this->assertEquals($expected, $actual);

    }

    public function testDateIntervalConvertsToPHPValue()

    {

        $this->assertEquals('+P2Y0M1DT1H2M3S', $interval->format('%RP%yY%mM%dDT%hH%iM%sS'));

    }

    public function testNegativeDateIntervalConvertsToDatabaseValue()

    {

        $interval = new \DateInterval('P2Y1DT1H2M3S');

        $interval->invert = 1;

        $expected = '-P0002-00-01T01:02:03';

        $actual = $this->type->convertToDatabaseValue($interval, $this->platform);

        $this->assertEquals($expected, $actual);

    }

    public function testNegativeDateIntervalConvertsToPHPValue()

    {