P08Test.java

package com.shekhargulati.ninetynine_problems._01_lists;

import org.junit.Test;

import java.util.List;

import static java.util.Arrays.asList;
import static org.hamcrest.collection.IsCollectionWithSize.hasSize;
import static org.hamcrest.collection.IsIterableContainingInOrder.contains;
import static org.junit.Assert.assertThat;

public class P08Test {

    @Test
    public void shouldRemoveConsecutiveDuplicatesInAList() throws Exception {
        List<String> compressedList = P08.compress(asList("a", "a", "a", "a", "b", "c", "c", "d", "e", "e", "e", "e"));
        assertThat(compressedList, hasSize(5));
        assertThat(compressedList, contains("a", "b", "c", "d", "e"));
    }

    @Test
    public void shouldNotRemoveNonConsecutiveSimilarElementsFromAList() throws Exception {
        List<String> compressedList = P08.compress(asList("a", "a", "a", "a", "b", "c", "c", "a", "a", "d", "e", "e", "e", "e"));
        assertThat(compressedList, hasSize(6));
        assertThat(compressedList, contains("a", "b", "c", "a", "d", "e"));
    }
}