public function test2DigitTo4DigitYearConversion() { $s = new TDateTimeStamp(); $this->assertEquals($s->get4DigitYear(00), 2000, "Err 2-digit 2000"); $this->assertEquals($s->get4DigitYear(10), 2010, "Err 2-digit 2010"); $this->assertEquals($s->get4DigitYear(20), 2020, "Err 2-digit 2020"); $this->assertEquals($s->get4DigitYear(30), 2030, "Err 2-digit 2030"); $this->assertEquals($s->get4DigitYear(40), 2040, "Err 2-digit 2040"); $this->assertEquals($s->get4DigitYear(50), 1950, "Err 2-digit 1950"); $this->assertEquals($s->get4DigitYear(90), 1990, "Err 2-digit 1990"); }