move = (SGFPointProperty) i.current().getProperty(SGFPropertyName.W);
assertEquals(new SGFPointProperty(SGFPropertyName.W, new SGFPoint(4, 3)), move);
assertFalse(i.current().hasProperty(SGFPropertyName.B));
assertSame(tree, i.prev(false));
assertNull(i.prevVariant(false));
assertNull(i.nextVariant(false));
i.next(true);
move = (SGFPointProperty) i.current().getProperty(SGFPropertyName.B);
assertEquals(move, new SGFPointProperty(SGFPropertyName.B, new SGFPoint(4, 2)));
assertFalse(i.current().hasProperty(SGFPropertyName.W));