StrategyTest.java

import junit.framework.TestCase;

public class StrategyTest extends TestCase {

    public void testSequentialStrategy() {
        GuessTheNumber guesser = new GuessTheNumber(5, 100);
        SequentialStrategy strategy = new SequentialStrategy(guesser);

        int value = strategy.solve();
        assertEquals(guesser.getValue(), value);
    }
}