opts.merge(MetadataTable.NAME, new Text("01"), new Text("02"));
assertEquals(1, opts.listSplits(MetadataTable.NAME).size());
addSplits(opts, "4 5 6 7 8".split(" "));
assertEquals(6, opts.listSplits(MetadataTable.NAME).size());
opts.merge(MetadataTable.NAME, new Text("6"), new Text("9"));
assertEquals(4, opts.listSplits(MetadataTable.NAME).size());
addSplits(opts, "44 55 66 77 88".split(" "));
assertEquals(9, opts.listSplits(MetadataTable.NAME).size());
opts.merge(MetadataTable.NAME, new Text("5"), new Text("7"));
assertEquals(6, opts.listSplits(MetadataTable.NAME).size());
opts.merge(MetadataTable.NAME, null, null);