assertEquals(0.17578125, metadata.getBounds().getMaximum(1), 0.001);
assertEquals(0.087890625, metadata.getBounds().getMinimum(1), 0.001);
assertEquals(MBTilesMetadata.t_type.OVERLAY, metadata.getType());
assertEquals(MBTilesMetadata.t_format.PNG, metadata.getFormat());
assertEquals(1, mbtiles.numberOfTiles());
MBTilesFile.TileIterator tiles = mbtiles.tiles();
assertTrue(tiles.hasNext());
MBTilesTile e = tiles.next();
assertEquals(10, e.getZoomLevel());