ZCW-MacroLabs-OOP-ScientificCalculator/ConsoleTest.java

import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayInputStream;

/**
 * The test class ConsoleTest.
 *
 * @author  (your name)
 * @version (a version number or a date)
 */
public class ConsoleTest
{

    @Test
    public void testInputDouble(){
        ByteArrayInputStream in = new ByteArrayInputStream ("7".getBytes());
        System.setIn(in);

        assertEquals(Double.valueOf("7"),Console.inputDouble(),.000000001);
    }

    @Test
    public void testInputInt(){
        ByteArrayInputStream in = new ByteArrayInputStream ("7".getBytes());
        System.setIn(in);

        assertEquals(7,Console.inputInt());
    }

    @Test
    public void testInputString(){
        ByteArrayInputStream in = new ByteArrayInputStream ("7".getBytes());
        System.setIn(in);

        assertEquals("7",Console.inputString());

    }

    @Test
    public void testGetOperator(){
        ByteArrayInputStream in = new ByteArrayInputStream ("a".getBytes());
        System.setIn(in);

        assertEquals('a',Console.getOperator());
    }

    @Test
    public void TestInputAddMethod()
    {
        assertEquals(5, Console.inputString());
    }
}