Prog3/CredentialsTest.java

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

class CredentialsTest {

    Credentials credentials = new Credentials();

    @Test
    void valid() {
        //Credentials credentials = new Credentials();
        assertTrue(credentials.valid("hofmannol", "GERONIMO"));
        assertTrue(credentials.valid("wimmerma", "GEHEIM123"));
        assertFalse(credentials.valid("meierandr", "GERONIMO"));
        assertFalse(credentials.valid("wimmerma", "ÖFFENTLICH123"));
    }

    @Test
    void login() {
        //Credentials credentials = new Credentials();

    }

    @Test
    void register() {
        //Credentials credentials = new Credentials();

    }

    @Test
    void checkUser() {
        assertTrue(credentials.checkUser("heinz"));
        assertTrue(credentials.checkUser("hoffmannol"));
        assertFalse(credentials.checkUser("hofmannol"));

        //Credentials credentials = new Credentials();
    }

    @Test
    void checkPassword() {
        //Credentials credentials = new Credentials();
        assertTrue(credentials.checkPassword("12345678"));
        assertTrue(credentials.checkPassword("GERONIMO"));
        assertFalse(credentials.checkPassword("D1234"));
    }
}