Call Log Test

CallLogTest.java

import static org.junit.Assert.*;

import org.junit.Test;


public class CallLogTest {

  private CallLog log = new CallLog();

	@Test
	public void testSimple() {
		log.record("1");
		check("1");
	}

	@Test
	public void testMultiple() {
		log.record("1");
		log.record("2");
		check("2", "1");
	}

	@Test
	public void testLimit() {
		log.record("1");
		log.record("2");
		log.record("3");
		log.record("4");
		log.record("5");
		log.record("6");
		check("6", "5", "4", "3", "2");
	}

	@Test
	public void testDuplicate() {
		log.record("2");
		log.record("2");
		check("2");
	}

	@Test
	public void testMultiDuplicate() {
		log.record("1");
		log.record("2");
		log.record("3");
		log.record("1");
		log.record("1");
		log.record("4");
		log.record("2");
		check("2", "4", "1", "3");
	}
	

	@Test
	public void testLimit2() {
		log.record("1");
		log.record("2");
		log.record("3");
		log.record("4");
		log.record("5");
		log.record("6");
		log.record("5");
		check("5", "6", "4", "3", "2");
	}
	
	@Test
	public void testExample() {
		log.record("191");
		log.record("1112");
		log.record("1150");
		log.record("191");
		log.record("181");
		log.record("1175");
		log.record("1678");
		log.record("181");
		check("181", "1678", "1175", "191", "1150");
	}
	
	public void check(String... expecteds) {
		assertArrayEquals(expecteds, log.getNumbers());
	}

}