@Test
public void testGetPositions() {
initialize();
assertEquals(5, model.getRowCount());
assertEquals("b", model.getPosition(1).getComment());
assertEquals(0, model.getPositions(1, 1).size());
assertEquals("b", model.getPositions(1, 3).get(0).getComment());
assertEquals("b", model.getPositions(0, 2).get(1).getComment());
assertEquals(1, model.getPositions(new int[] {1}).size());
assertEquals("b", model.getPositions(new int[] {1}).get(0).getComment());
assertEquals("b", model.getPositions(new int[] {0, 1}).get(1).getComment());
}
