assertEquals(0, mp3.getUnsynchronizedFragments().size());
filename.setFrame(frame);
assertEquals(0, mp3.getUnsynchronizedFragments().size());
// test differences
body = new FrameBodyTIT2((byte) 0, "<song title>");
frame = new ID3v2_4Frame();
frame.setBody(body);
filename.setFrame(frame);
assertEquals(0, mp3.getUnsynchronizedFragments().size());
id3v1.setTitle("different");
assertEquals(1, mp3.getUnsynchronizedFragments().size());
id3v1.setTitle("<song title>");
assertEquals(0, mp3.getUnsynchronizedFragments().size());
lyrics3.setField(new Lyrics3v2Field(new FieldBodyETT("different")));
assertEquals(1, mp3.getUnsynchronizedFragments().size());
lyrics3.setField(new Lyrics3v2Field(new FieldBodyETT("<song title>")));
assertEquals(0, mp3.getUnsynchronizedFragments().size());
body = new FrameBodyTIT2((byte) 0, "different");
frame = new ID3v2_4Frame(body);
id3v2.setFrame(frame);
assertEquals(1, mp3.getUnsynchronizedFragments().size());
// test two differences