ZCW-MacroLabs-OOP-ScientificCalculator/calculatorCoreFunctionsTest...

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

/**
 * The test class calculatorCoreFunctionsTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
* The test class calculatorCoreFunctionsTest.
*
* @author  (your name)
* @version (a version number or a date)
*/
public class calculatorCoreFunctionsTest
{
   public calculatorCoreFunctions coreFunctions;
   
 
   @Before
   public void setUp()
   {
     coreFunctions = new calculatorCoreFunctions();
   }
   
   @After
   public void tearDown()
   {
   }
   
   @Test
   public void addTest()
   {
       double expected = 9.0;
       double actual = coreFunctions.add(8,1);
       assertEquals(expected, actual, 0.1);
     
   }

   @Test
   public void subtractTest()
   {
       double expected = 5.0;
       double actual = coreFunctions.subtract(7,2);
       assertEquals(expected, actual, 0.1);
   }
   
   @Test
   public void multiplyTest()
   {
       double expected = 12.0;
       double actual = coreFunctions.multiply(3,4);
       assertEquals(expected, actual, 0.1);
   }
   
   @Test
   public void divideTest()
   {
       double expected = 7.0;
       double actual = coreFunctions.divide(21,3);
       assertEquals(expected, actual, 0.1);
   }
   
   @Test
   public void expTest()
   {
       double expected = 4.0;
       double actual = coreFunctions.exponent(2,2);
       assertEquals(expected, actual, 0.1);
   }
   
   @Test
   public void sqrtTest()
   {
       double expected = 5.0;
       double actual = coreFunctions.sqrt(25.0);
       assertEquals(expected, actual, 0.1);
   }
   
   @Test
   public void invertTest()
   {
       double expected = 0.2;
       double actual = coreFunctions.inverse(5.0);
       assertEquals(expected, actual, 0.1);
   }
}