public void testAdvance() {
mp3.loadSongs(list);
mp3.play();
assertTrue(mp3.isPlaying());
mp3.prev();
assertEquals(mp3.currentSong(), list.get(0));
assertTrue(mp3.isPlaying());
mp3.next();
assertEquals(mp3.currentSong(), list.get(1));
mp3.next();
assertEquals(mp3.currentSong(), list.get(2));
mp3.prev();
assertEquals(mp3.currentSong(), list.get(1));
mp3.next();
assertEquals(mp3.currentSong(), list.get(2));
mp3.next();
assertEquals(mp3.currentSong(), list.get(3));
mp3.next();
assertEquals(mp3.currentSong(), list.get(3));
assertTrue(mp3.isPlaying());
}
public void testPlay() {
mp3.loadSongs(list);
assertFalse(mp3.isPlaying());
mp3.play();
assertTrue(mp3.isPlaying());
assertTrue(mp3.currentPosition() != 0.0);
mp3.pause();
assertTrue(mp3.currentPosition() != 0.0);
mp3.stop();
assertEquals(mp3.currentPosition(), 0.0, 0.1);
}
public void testPlayNoList() {
// Don't set the list up
assertFalse(mp3.isPlaying());
mp3.play();
assertFalse(mp3.isPlaying());
assertEquals(mp3.currentPosition(), 0.0, 0.1);
mp3.pause();
assertEquals(mp3.currentPosition(), 0.0, 0.1);
assertFalse(mp3.isPlaying());
mp3.stop();
assertEquals(mp3.currentPosition(), 0.0, 0.1);
assertFalse(mp3.isPlaying());
}