ZCW-MacroLabs-OOP-ScientificCalculator/ScientificFunctionsTest.java

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

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

    @Test
    public void testSquared(){
        double actual = ScientificFunctions.sqr(4);
        double expected = 16;
        Assert.assertEquals(expected,actual,1e-8);
    }

    @Test
    public void testSqRoot(){
        double actual = ScientificFunctions.sqRoot(4);
        double expected = 2;
        Assert.assertEquals(expected,actual,1e-8);
    }

    @Test
    public void testInvFraction(){
        double actual = ScientificFunctions.invFraction(2);
        double expected = .5;
        Assert.assertEquals(expected,actual,1e-8);
    }

    @Test
    public void testInvSign(){
        double actual = ScientificFunctions.invSign(3);
        double expected = -3;
        Assert.assertEquals(expected,actual,1e-8);
    }
    @Test
    public void testCosine(){
        double actual = ScientificFunctions.cosine(3);
        double expected = 0.9986295347545738;
        Assert.assertEquals(expected,actual,1e-8);
    }
        @Test
    public void testSine(){
        double actual = ScientificFunctions.sin(3);
        double expected = 0.05233595624294383;
        Assert.assertEquals(expected,actual,1e-8);
    }
        @Test
    public void testTan(){
        double actual = ScientificFunctions.tan(3);
        double expected = 0.052407779283041196;
        Assert.assertEquals(expected,actual,1e-8);
    }
        @Test
    public void testAcosine(){
        double actual = ScientificFunctions.acosin(3);
        double expected = 1.518412495074819;
        Assert.assertEquals(expected,actual,1e-8);
    }
        @Test    
        public void testAsin(){
        double actual = ScientificFunctions.asin(3);
        double expected = 0.05238383172007756;
        Assert.assertEquals(expected,actual,1e-8);
    }
        @Test
        public void testATangent(){
        double actual = ScientificFunctions.atan(3);
        double expected = 0.05231210692238478;
        Assert.assertEquals(expected,actual,1e-8);
    }
    

}