/**
* @test
*/
function use_Diff_directly()
{
$d0 = DateTime::createDate('2015', '03', '04');
$d1 = DateTime::createDate('2016', '04', '07');
$this->assertEquals(1, Diff::start($d0)->inYears($d1));
$this->assertEquals(13, Diff::start($d0)->inMonths($d1));
}
/**
* @test
*/
function leapYear()
{
$d1 = DateTime::createDate('2020');
$this->assertTrue($d1->is->leapYear());
$d2 = DateTime::createDate('2021');
$this->assertFalse($d2->is->leapYear());
}
/**
* @test
*/
function createEndOfMonth()
{
$dt = DateTime::createEndOfMonth('2015', '3');
$this->assertEquals('2015-03-31 00:00:00', $dt->format('Y-m-d H:i:s'));
$dt = DateTime::createEndOfMonth('2015', '3', true);
$this->assertEquals('2015-03-31 23:59:59', $dt->format('Y-m-d H:i:s'));
}