package doubler.impl;

import doubler.Doubler;
import org.junit.Test;

public class DoublerImplTest {
    
    @Test
    public void testIt() {
        Doubler doubler = new DoublerImpl();
        assert doubler.doubleIt(2) == 4;
    }
}

package doubler.impl;

import doubler.Doubler;
import org.junit.Test;
import static org.junit.Assert.*;

public class DoublerImplTest {
    @Test
    public void testIt() {
        Doubler doubler = new DoublerImpl();
        assertEquals(4, doubler.doubleIt(2));
    }
}

Use JUnit assert method in test case
gradle: Use JUnit assert method in test case

Signed-off-by: BJ Hargrave <3d26bb3930946e3370762d769a073cece444c2d8@bjhargrave.com>
