import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.BeforeEach;

public class SimpleTest {

    private Doubler doubler;

    @BeforeEach public void init() {
        doubler = new MyDoubler();
    }

    @Test
    public void testIsDouble() {
        Assertions.assertTrue(doubler.isDouble("couscous"), "'couscous' is a double word");
        Assertions.assertTrue(doubler.isDouble("Caucasus"), "'Caucasus' is a double word");
        Assertions.assertTrue(doubler.isDouble("cAuCasUs"), "'cAUCasUs' is a double word");
    }

    @Test
    public void testIsNotDouble() {
        Assertions.assertFalse(doubler.isDouble("rice"), "'rice' is not a double word");
        Assertions.assertFalse(doubler.isDouble("meenemen"), "'meenemen' is not a double word");
    }

}