private static List<Object[]> bloomAndCompressionCombinations() {
    List<Object[]> configurations = new ArrayList<>();
    for (Compression.Algorithm comprAlgo : HBaseCommonTestingUtil.COMPRESSION_ALGORITHMS) {
      for (BloomType bloomType : BloomType.values()) {
        configurations.add(new Object[] { comprAlgo, bloomType });
      }
    }
    return Collections.unmodifiableList(configurations);
  }
Create all combinations of Bloom filters and compression algorithms for testing.
hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java