ZCW-MacroLabs-OOP-ScientificCalculator/CoreFunctionsTest.java

import org.junit.Assert;
import org.junit.Test;

/**
 * The test class CoreFunctionsTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class CoreFunctionsTest
{   CoreFunctions coreFunctionsTest = new CoreFunctions();
    /**
     * Default constructor for test class CoreFunctionsTest
     */
    public CoreFunctionsTest()
    {
    }

    @Test
    public void testAdd(){
    double actual = CoreFunctions.add(1,2);
    double expected = 3;
    Assert.assertEquals(expected,actual,1e-8);
    }
    
    @Test
    public void testSubtract(){
    double actual = CoreFunctions.subtract(2,1);
    double expected = 1;
    Assert.assertEquals(expected,actual,1e-8);
    }
    
    @Test
    public void testMultiply(){
    double actual = CoreFunctions.multiply(2,1);
    double expected = 2;
    Assert.assertEquals(expected,actual,1e-8);
    }
    
    @Test
    public void testDivide(){
    double actual = CoreFunctions.multiply(2,1);
    double expected = 2;
    Assert.assertEquals(expected,actual,1e-8);
    }
    
    
    @Test
    public void vtestExp(){
    double actual = CoreFunctions.exp(2, 2);
    double expected = 4;
    Assert.assertEquals(expected,actual,1e-8);
    }
    

}