HistoryListTest.java example

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/*
 * RapidBeans Framework: HistoryListTest.java
 * 
 * Copyright Martin Bluemel, 2009
 * 
 * 11.08.2009
 */
package org.rapidbeans.core.common;

import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;

import junit.framework.TestCase;

/**
 * Tests for the history list.
 * 
 * @author Martin Bluemel
 */
public class HistoryListTest extends TestCase {

	public void testCreateNewHistoryList() {
		HistoryList<String> list = new HistoryList<String>(5);
		assertEquals(5, list.getMax());
		assertEquals(0, list.size());
	}

	public void testCreateNewHistoryListDefault() {
		HistoryList<URL> list = new HistoryList<URL>();
		assertEquals(10, list.getMax());
		assertEquals(0, list.size());
	}

	public void testCreateNewHistoryListIllegal() {
		try {
			new HistoryList<String>(-2);
			fail();
		} catch (IllegalArgumentException e) {
			assertTrue(true);
		}
	}

	public void testAddFirst() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>();
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		Iterator<URL> iter = list.iterator();
		assertEquals("test1.xml", new File(iter.next().getFile()).getName());
		assertFalse(iter.hasNext());
		assertEquals("test1.xml", new File(list.get(0).getFile()).getName());
		try {
			list.get(1);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAdd2() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>();
		list.add(new File("test1.xml").toURI().toURL());
		list.add(new File("test2.xml").toURI().toURL());
		Iterator<URL> iter = list.iterator();
		assertEquals("test2.xml", new File(iter.next().getFile()).getName());
		assertEquals("test1.xml", new File(iter.next().getFile()).getName());
		assertEquals(2, list.size());
		assertFalse(iter.hasNext());
		assertEquals("test2.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test1.xml", new File(list.get(1).getFile()).getName());
		try {
			list.get(2);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAdd3() throws MalformedURLException {
		HistoryList<String> list = new HistoryList<String>();
		list.add("test1.xml");
		list.add("test2.xml");
		list.add("test3.xml");
		assertEquals(3, list.size());
		Iterator<String> iter = list.iterator();
		assertEquals("test3.xml", iter.next());
		assertEquals("test2.xml", iter.next());
		assertEquals("test1.xml", iter.next());
		assertFalse(iter.hasNext());
		assertEquals("test3.xml", list.get(0));
		assertEquals("test2.xml", list.get(1));
		assertEquals("test1.xml", list.get(2));
		try {
			list.get(3);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAdd3PartiallySame() throws MalformedURLException {
		HistoryList<String> list = new HistoryList<String>();
		list.add("test1.xml");
		list.add("test2.xml");
		list.add("test2.xml");
		list.add("test3.xml");
		list.add("test3.xml");
		list.add("test2.xml");
		assertEquals(3, list.size());
		Iterator<String> iter = list.iterator();
		assertEquals("test2.xml", iter.next());
		assertEquals("test3.xml", iter.next());
		assertEquals("test1.xml", iter.next());
		assertFalse(iter.hasNext());
		assertEquals("test2.xml", list.get(0));
		assertEquals("test3.xml", list.get(1));
		assertEquals("test1.xml", list.get(2));
		try {
			list.get(3);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAdd5() throws MalformedURLException {
		HistoryList<URL> historyList = new HistoryList<URL>();
		historyList.add(new File("test1.xml").toURI().toURL());
		historyList.add(new File("test2.xml").toURI().toURL());
		historyList.add(new File("test3.xml").toURI().toURL());
		historyList.add(new File("test4.xml").toURI().toURL());
		historyList.add(new File("test5.xml").toURI().toURL());
		assertEquals(5, historyList.size());
		Iterator<URL> iter = historyList.iterator();
		assertEquals("test5.xml", new File(iter.next().getFile()).getName());
		assertEquals("test4.xml", new File(iter.next().getFile()).getName());
		assertEquals("test3.xml", new File(iter.next().getFile()).getName());
		assertEquals("test2.xml", new File(iter.next().getFile()).getName());
		assertEquals("test1.xml", new File(iter.next().getFile()).getName());
		assertFalse(iter.hasNext());
		assertEquals("test5.xml", new File(historyList.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(historyList.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(historyList.get(2).getFile()).getName());
		assertEquals("test2.xml", new File(historyList.get(3).getFile()).getName());
		assertEquals("test1.xml", new File(historyList.get(4).getFile()).getName());
		try {
			historyList.get(5);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAddMoreThanMax() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(3);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test5.xml").toURI().toURL());
		assertEquals(3, list.size());
		Iterator<URL> iter = list.iterator();
		assertEquals("test5.xml", new File(iter.next().getFile()).getName());
		assertEquals("test4.xml", new File(iter.next().getFile()).getName());
		assertEquals("test3.xml", new File(iter.next().getFile()).getName());
		assertFalse(iter.hasNext());
		assertEquals("test5.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(list.get(2).getFile()).getName());
		try {
			list.get(3);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAddMoreThanMaxPartiallySame() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(3);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test5.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(3, list.size());
		Iterator<URL> iter = list.iterator();
		assertEquals("test4.xml", new File(iter.next().getFile()).getName());
		assertEquals("test5.xml", new File(iter.next().getFile()).getName());
		assertEquals("test3.xml", new File(iter.next().getFile()).getName());
		assertFalse(iter.hasNext());
		assertEquals("test4.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test5.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(list.get(2).getFile()).getName());
		try {
			list.get(3);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testSetMaxGreater() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(3);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test5.xml").toURI().toURL());
		assertEquals(3, list.size());
		assertEquals("test5.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(list.get(2).getFile()).getName());
		try {
			list.get(3);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
		list.setMax(5);
		assertEquals(3, list.size());
		list.add(new File("test6.xml").toURI().toURL());
		assertEquals(4, list.size());
		list.add(new File("test7.xml").toURI().toURL());
		assertEquals(5, list.size());
		list.add(new File("test8.xml").toURI().toURL());
		assertEquals(5, list.size());
		assertEquals("test8.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test7.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test6.xml", new File(list.get(2).getFile()).getName());
		assertEquals("test5.xml", new File(list.get(3).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(4).getFile()).getName());
		try {
			list.get(5);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testSetMaxLessFilled() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(4);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(4, list.size());
		list.add(new File("test5.xml").toURI().toURL());
		assertEquals(4, list.size());
		assertEquals("test5.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(list.get(2).getFile()).getName());
		assertEquals("test2.xml", new File(list.get(3).getFile()).getName());
		try {
			list.get(4);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
		list.setMax(2);
		assertEquals(2, list.size());
		assertEquals("test5.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(1).getFile()).getName());
		try {
			list.get(2);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testSetMaxLessNotFilled() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(4);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		assertEquals("test3.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test2.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test1.xml", new File(list.get(2).getFile()).getName());
		try {
			list.get(3);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
		list.setMax(2);
		assertEquals(2, list.size());
		assertEquals("test3.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test2.xml", new File(list.get(1).getFile()).getName());
		try {
			list.get(2);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testSetMaxEqual() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(4);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(4, list.size());
		list.add(new File("test5.xml").toURI().toURL());
		list.setMax(4);
		assertEquals(4, list.size());
		assertEquals("test5.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(list.get(2).getFile()).getName());
		assertEquals("test2.xml", new File(list.get(3).getFile()).getName());
		try {
			list.get(4);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}

	public void testAddDoubleUrl() throws MalformedURLException {
		HistoryList<URL> list = new HistoryList<URL>(4);
		list.add(new File("test1.xml").toURI().toURL());
		assertEquals(1, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test2.xml").toURI().toURL());
		assertEquals(2, list.size());
		list.add(new File("test3.xml").toURI().toURL());
		assertEquals(3, list.size());
		list.add(new File("test4.xml").toURI().toURL());
		assertEquals(4, list.size());
		list.add(new File("test5.xml").toURI().toURL());
		assertEquals("test5.xml", new File(list.get(0).getFile()).getName());
		assertEquals("test4.xml", new File(list.get(1).getFile()).getName());
		assertEquals("test3.xml", new File(list.get(2).getFile()).getName());
		assertEquals("test2.xml", new File(list.get(3).getFile()).getName());
		try {
			list.get(4);
			fail();
		} catch (IndexOutOfBoundsException e) {
			assertTrue(true);
		}
	}
}