@Test
                    @DisplayName("Matches tesztelés")
                    public void mintaIllesztesTesztelese(){
                        String testString = "abc";
                        asserTrue( teststring.matches(".{3}"));
                        asserTrue( teststring.matches(".{1,3}"));
                        asserTrue( teststring.matches(".{0,}"));
                        String rendszam = "AB-3423";
                        asserTrue( rendszam.matches("[A-Z]{1,5}-[0-9]{1,5}"));
                        assertEquals( 7, rendszam.length());
                       }
                }
                

                    @Test
                    public void tesztNegyzet(){
                        assertEquals( 0, this.negyzet(0));
                        assertEquals( 0, this.negyzet(-5));
                        assertEquals( 1, this.negyzet(1));
                        assertEquals( 1, this.negyzet(2));
                        assertEquals( 3, this.negyzet(9));
                        assertEquals( 3, this.negyzet(10));
                        assertEquals( 10, this.negyzet(100));
                       }
                    
                    private int negyzeet(int darab){
                        if (darab <1) {
                                return 0;
                        } else {
                            int oldal = (int)Math.sqrt((double)darab);
                            return oldal;
                        }
                    }
                }
                

                    @Test 
                    public void testPercek(){
                        assertions.assertequals(0 , this.atalakit ( 0 , 0 ));
                        assertions.assertequals(-1 , this.atalakit ( -1 , 0 ));
                        assertions.assertequals(-1 , this.atalakit ( 0 , -5 ));
                        assertions.assertequals(-1 , this.atalakit ( -1 , -5 ));
                        assertions.assertequals(-1 , this.atalakit ( 24 , -5 ));
                        assertions.assertequals(-1 , this.atalakit ( 24 , 645 ));
                        assertions.assertequals(-1 , this.atalakit ( -1 , 0 ));
                        assertions.assertequals(0 , this.atalakit ( 0 , 0 ));
                        assertions.assertequals(180 , this.atalakit ( 3 , 0 ));
                        assertions.assertequals(15 , this.atalakit ( 0 , 15 ));
                        assertions.assertequals(731 , this.atalakit ( 12 , 11 ));
                    }
                
                    private int atalakit(int ora, int perc){
                        if (ora >= && ora <= 24 {
                        return perc >= 0 && perc <= 59 ? 60 * ora + perc : -1;
                        } else {
                        return -1;
                        }
                    }
                

                    public class testTermek {
        
                        Termek cipo;
                    
                        @BeforeEach
                        public void myInit(){
                            cipo = new Termek ( 3, 10000, "nő topán");
                        }
                    
                    
                        @Test
                        @DisplayName ("érték teszt")
                        public void ertekTeszt() { assertEquals ( 30000,cipo.ertek();}
                    }