ZCW-MacroLabs-OOP-ScientificCalculator/TrigonometryTest.java

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

/**
 * The test class TrigonometryTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class TrigonometryTest
{
    /**
     * Default constructor for test class TrigonometryTest
     */
    public TrigonometryTest()
    {
    }

    /**
     * Sets up the test fixture.
     *
     * Called before every test case method.
     */
    @Before
    public void setUp()
    {
    }

    /**
     * Tears down the test fixture.
     *
     * Called after every test case method.
     */
    @After
    public void tearDown()
    {
    }

    @Test
    public void TanTrigTest()
    {
        assertEquals(-0.5872139151569291, Trigonometry.tan(100), 0.1);
    }

    @Test
    public void CosTrigTest()
    {
        assertEquals(0.8623188722876839, Trigonometry.cos(100), 0.1);
    }

    @Test
    public void ATanTrigTest()
    {
        assertEquals(1.5607966601082315, Trigonometry.tanInverse(100), 0.1);
    }

    @Test
    public void ACosTrigTest()
    {
        assertEquals(3.141592653589793, Trigonometry.cosInverse(-1), 0.1);
    }

    @Test
    public void ASinTrigTest()
    {
        assertEquals(-1.5707963267948966, Trigonometry.sinInverse(-1), 0.1);
    }
}