ZCW-MacroLabs-OOP-ScientificCalculator/bonusFunctionsTest.java

import org.junit.Assert;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * The test class bonusFunctionsTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class bonusFunctionsTest
{
    private bonusFunctions bonusFunctions;
    @Before
    public void setUp(){
        bonusFunctions = new bonusFunctions();
    }

    @Test
    public void naturalLogLnTest(){
        // :Given
        Double expected = 0.0;

        // :When
        Double actual = bonusFunctions.naturalLogLn(1.0);

        // :Then
        Assert.assertEquals(expected, actual);
    }
    
    @Test
    public void LogBaseTenOfAnumberTest(){
        // :Given
        Double expected = 1.0;

        // :When
        Double actual = bonusFunctions.LogBaseTenOfAnumber(10.0);

        // :Then
        Assert.assertEquals(expected, actual);
    }
    
    @Test
    public void exponentialTest(){
        // :Given
        Double expected = 2.7182818285;

        // :When
        Double actual = bonusFunctions.exponential(1.0);

        // :Then
        Assert.assertEquals(expected, actual, 0.10);
    }
    
}