package pr1.uebung10;

import static org.junit.Assert.*;

import org.junit.Test;

import static pr.MakeItSimple.*;

public class OrderedList1stTest {

//	private OrderedList list = new ArrayList();
	private OrderedList list = new LinkedList();
	
	@Test
	public void demoDatei() throws Exception {
		
		/*
		 * Hier müssen die Testdaten gelesen und in die Liste eingefügt werden
		 */
		
		assertEquals(2928, list.size());
		
		// erstes Element
		assertEquals(0, list.indexOf("'N Mann"));
		assertEquals("'N Mann", list.get(0).getSongName());
		
		// doppeltes Element
		int pos = list.indexOf("Boom Boom");
		assertTrue(pos ==  328|| pos == 329);
		assertEquals("Boom Boom", list.get(328).getSongName());
		assertEquals("Boom Boom", list.get(329).getSongName());
		
		// letztes Element
		assertEquals(2927, list.indexOf("Überblendung"));
		assertEquals("Überblendung", list.get(2927).getSongName());
		
		// nicht-existierendes Element
		assertEquals(-1, list.indexOf("den Song gibt es nicht"));
	}
	
	
	@Test
	public void sizeOnEmpty() {
		assertEquals(0, list.size());
	}
	
	@Test
	public void insertOnlyElement() {
		list.insert(new SongImplementation("s1", new String[] {"a1", "a2"}, "album"));
		assertEquals(1, list.size());
		assertEquals(0, list.indexOf("s1"));
		SongImplementation s = list.get(0);
		assertEquals("s1", s.getSongName());
		assertArrayEquals(new String[] {"a1", "a2"}, s.getArtists());
		assertEquals("album", s.getAlbumName());
	}
	

	@Test
	public void indexOfOnEmpty() {
		assertEquals(-1, list.indexOf("Scarecrow"));
	}
	
	@Test
	public void indexOfFromFront() {
		list.insert(new SongImplementation("s1", new String[] {"a1"}, "album1"));
		
		assertEquals(0, list.indexOf("s1"));
	}
	
	

	@Test(expected=PRException.class)
	public void getOnEmpty() {
		list.get(0);
	}

	@Test
	public void getLeftMost() {
		list.insert(new SongImplementation("s1", new String[] {"a1a", "a1b", "a1c"}, "album1"));
		
		SongImplementation s = list.get(0);
		assertEquals("s1", s.getSongName());
		assertArrayEquals(new String[] {"a1a", "a1b", "a1c"}, s.getArtists());
		assertEquals("album1", s.getAlbumName());
	}

	
	
	
	@Test(expected=PRException.class)
	public void deleteOnEmpty() {
		list.delete(0);
	}

	@Test
	public void deleteLeftMost() {
		list.insert(new SongImplementation("s1", new String[] {"a1a", "a1b", "a1c"}, "album1"));
		list.insert(new SongImplementation("s2", new String[] {"a2"}, "album2"));
		
		list.delete(0);
		
		assertEquals(1, list.size());
		assertEquals("s2", list.get(0).getSongName());
	}

}