public function testCoolSettersAndGetters() { $day = 12; $month = 1; $year = 2012; $date = new DateTime('12.1.2012'); $this->assertSame($day, $date->getDay()); $this->assertSame($month, $date->getMonth()); $this->assertSame($year, $date->getYear()); $date->setYear(1940); $this->assertSame($day, $date->getDay()); $this->assertSame($month, $date->getMonth()); $this->assertSame(1940, $date->getYear()); }