Problem4_2Test.java

package com.shekhargulati.tadm.ch04.excercises;

import com.shekhargulati.IntPair;
import org.junit.Test;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

public class Problem4_2Test {

    @Test
    public void shouldFindPairThatMaximizeWithinUnsortedArray() throws Exception {
        int[] numbers = {6, 13, 19, 3, 8};

        IntPair p = Problem4_2.maximize_unsorted(numbers);
        assertThat(p, equalTo(new IntPair(3, 19)));
    }

    @Test
    public void shouldFindPairThatMaximizeWithinSortedArray() throws Exception {
        int[] numbers = {3, 6, 8, 13, 19};

        IntPair p = Problem4_2.maximize_sorted(numbers);
        assertThat(p, equalTo(new IntPair(3, 19)));
    }

    @Test
    public void shouldFindPairThatMinimizeWithinUnsortedArray() throws Exception {
        int[] numbers = {6, 13, 19, 3, 8, 14};

        IntPair p = Problem4_2.minimize_unsorted(numbers);
        assertThat(p, equalTo(new IntPair(13, 14)));
    }

    @Test
    public void shouldFindPairThatMinimiseWithinSortedArray() throws Exception {
        int[] numbers = {3, 6, 8, 13, 19};

        IntPair p = Problem4_2.minimize_sorted(numbers);
        assertThat(p, equalTo(new IntPair(6, 8)));
    }
}