public static void assertMaxTimestamp(ColumnFamilyStore cfs, long maxTimestampExpected) { long maxTimestampObserved = Long.MIN_VALUE; for (SSTableReader sstable : cfs.getSSTables()) maxTimestampObserved = Math.max(sstable.getMaxTimestamp(), maxTimestampObserved); assertEquals(maxTimestampExpected, maxTimestampObserved); }