ZCW-MacroLabs-OOP-ScientificCalculator/BonusFeaturesTest.java

import static org.junit.Assert.*;
import org.junit.Test;
import java.math.BigDecimal;

/**
 * The test class BonusFeaturesTest.
 */
public class BonusFeaturesTest
{
    private Console console = new Console();
    private BonusFeatures bonus = new BonusFeatures(console);
      
    @Test
    public void factorialOfTest(){
        //Given
        
        Double test1 = 100.00;
        //When
        Double actual = (9.33262154439441E157);
        Double expected = bonus.factorialOf(test1);
        //Then
        assertEquals(expected,actual);
    }

    @Test
    public void logarithmTest(){
        //Given
        
        Double test1 = 10.00;
        //When
        double actual = 1.00;
        double expected = bonus.logarithm(test1);
        //Then
        assertEquals(expected,actual, 0);
    }

    @Test
    public void invLogarithmTest(){
        //Given
        
        Double test1 = 10.00;
        //When
        double actual = 10000000000.00;
        double expected = bonus.invLogarithm(test1);
        //Then
        assertEquals(expected,actual,0);
    }
    
    @Test
    public void lnLogarithmTest(){
        //Given
        
        Double test1 = Math.exp(1);
        //When
        double actual = 1;
        double expected = bonus.lnLogarithm(test1);
        //Then
        assertEquals(expected,actual, 0);
    }
    
        @Test
    public void expLogarithmTest(){
        //Given
        
        Double test1 = 0.00;
        //When
        double actual = 1;
        double expected = bonus.expLogarithm(test1);
        //Then
        assertEquals(expected,actual, 0);
    }
}