Passwort-Pruefer-Profis/test/java/MainTest.java

import org.junit.jupiter.api.Test;

import java.io.ByteArrayInputStream;

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

class MainTest {

    @Test
    public void testFirstTryRight() {

        //Arrange
        byte[] bytes = "hofmannol\nGERONIMO\n".getBytes();
        ByteArrayInputStream in = new ByteArrayInputStream(bytes);

        //Act
        boolean logged_in = Main.login(in);

        assertTrue(logged_in);
    }

}