doctrine / dbal

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

    }

    public function testDateIntervalConvertsToDatabaseValue()

    {

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

        $expected = '+P02Y00M01DT01H02M03S';

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

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

    }

    public function testDateIntervalConvertsToPHPValue()

    {

        $this->assertEquals('+P02Y00M01DT01H02M03S', $interval->format('%RP%YY%MM%DDT%HH%IM%SS'));

    }

    public function testNegativeDateIntervalConvertsToDatabaseValue()

    {

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

        $interval->invert = 1;

        $expected = '-P02Y00M01DT01H02M03S';

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

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

    }

    public function testNegativeDateIntervalConvertsToPHPValue()

    {