/** * @test */ public function getAgeForAnAgeOfTenYearsMinusSomeDaysReturnsNine() { $GLOBALS['EXEC_TIME'] = mktime(18, 0, 0, 9, 15, 2010); $this->subject->setData(array('date_of_birth' => mktime(18, 0, 0, 9, 21, 2000))); self::assertSame(9, $this->subject->getAge()); }