public function testFirstOfMonth() { $dt1 = new QDateTime("2/23/2009"); $this->assertEqual($dt1->FirstDayOfTheMonth, new QDateTime("2/1/2009")); $dt2 = new QDateTime("12/2/2015"); $this->assertEqual($dt2->FirstDayOfTheMonth, new QDateTime("12/1/2015")); // static function test $this->assertEqual(QDateTime::FirstDayOfTheMonth(1, 1923), new QDateTime("1/1/1923")); }