public function testIncludes() { $dateRange = new DateRange(strtotime('2015-10-01'), strtotime('2015-10-20')); $actual = $dateRange->includes(strtotime('2015-10-20')); $this->assertTrue($actual); $actual = $dateRange->includes(strtotime('2015-10-25')); $this->assertFalse($actual); }