InterfaceComparableLab/src/test/java/com/zipcoder/payment/CompareToTest.java

package com.zipcoder.payment;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class CompareToTest {

    @Test
    public void compareToNegativeTest(){
        Check myCheck = new Check("Dan Rivas", "1243567895");
        PayPal pp = new PayPal("Shane McNaulty", "shane@loews.com");
        int actual = myCheck.compareTo(pp);
        assertTrue(actual < 0);
    }

    @Test
    public void compareToPositiveTest(){
        Check myCheck = new Check("Dan Rivas", "1243567895");
        PayPal pp = new PayPal("Shane McNaulty", "shane@loews.com");
        int actual = pp.compareTo(myCheck);
        assertTrue(actual > 0);
    }

    @Test
    public void compareToZeroTest(){
        Payment myCheck = new Check("Dan Rivas", "1243567876");
        Payment yourCheck = new Check("Dan Rivas", "1243567876");
        int actual = myCheck.compareTo(yourCheck);
        assertEquals(0, actual);
    }
}