external-software/github_OpenIdentityPlatform_OpenDJ.git

			@@ -13,6 +13,7 @@
			*
			* Copyright 2009 Sun Microsystems, Inc.
			* Portions Copyright 2013-2015 ForgeRock AS.
			* Portions Copyright 2026 3A Systems, LLC.
			*/
			package org.opends.server.replication.common;

			@@ -57,6 +58,46 @@
			}

			/**
			* An adjust with no CSN - a domain reads back a ServerState which holds no change of its own -
			* leaves the generator where it is: moved back to the clock, it numbered the next change as one it
			* had numbered already, or before it.
			*/
			@Test
			public void adjustWithNoCSNDoesNotNumberBeforeTheCSNsGenerated()
			{
			// Ahead of the clock, as a generator is once it numbered changes within the current tick of the
			// clock, or followed the CSNs of a server whose clock runs ahead.
			CSNGenerator generator = new CSNGenerator(5, TimeThread.getTime() + 3600 * 1000);
			CSN csn1 = generator.newCSN();

			generator.adjust((CSN) null);

			CSN csn2 = generator.newCSN();
			assertTrue(csn2.compareTo(csn1) > 0,
			"CSNGenerator generated an earlier CSN after an adjust with no CSN.");
			}

			/**
			* An adjust with no CSN does not take the generator back past the CSNs received from the other
			* servers either: a local change numbered before a change of another server it follows would lose
			* the conflict resolution to it on the other servers.
			*/
			@Test
			public void adjustWithNoCSNDoesNotNumberBeforeTheCSNsReceived()
			{
			CSNGenerator generator = new CSNGenerator(5, TimeThread.getTime());
			// From a server whose clock runs an hour ahead.
			CSN received = new CSN(TimeThread.getTime() + 3600 * 1000, 0, 6);
			generator.adjust(received);

			generator.adjust((CSN) null);

			CSN csn = generator.newCSN();
			assertTrue(csn.compareTo(received) > 0,
			"CSNGenerator generated a CSN earlier than one it received after an adjust with no CSN.");
			}

			/**
			* Test the correct behavior of the CSNGenerator when
			* the seqnum is rolling over its limit.
			*/