/** * Tests first letter lowercase. */ public function testLcfirst() { $this->assertEquals('žlutý kůň', String::lcfirst('Žlutý kůň')); $this->assertEquals('žlutý kůň', String::lcfirst('žlutý kůň')); }
public function testLcFirst() { $string = new String("ABCDE"); $this->assertTrue($string->lcfirst()->equals("aBCDE")); }