public function testIsActive()
{
$before = new DateTime('2016-01-06');
$first = new DateTime('2016-01-07');
$mid = new DateTime('2016-01-15');
$last = new DateTime('2016-01-23');
$after = new DateTime('2016-01-24');
$holiday = new Holiday('Test Holiday', new DateTime('2016-01-07'), new DateTime('2016-01-23'));
$this->assertFalse($holiday->isActive($before));
$this->assertTrue($holiday->isActive($first));
$this->assertTrue($holiday->isActive($mid));
$this->assertTrue($holiday->isActive($last));
$this->assertFalse($holiday->isActive($after));
}
