transcendental-lisp/test/util/CharactersTester.java

package util;

import static org.junit.Assert.assertTrue;

import java.lang.reflect.*;

import org.junit.Test;

public class CharactersTester {

    @Test
    public void constructorIsPrivate() throws Exception {
        Constructor<Characters> constructor = Characters.class.getDeclaredConstructor();

        assertTrue(Modifier.isPrivate(constructor.getModifiers()));
        constructor.setAccessible(true);
        constructor.newInstance();
    }

}