junrao commented on code in PR #13255:
URL: https://github.com/apache/kafka/pull/13255#discussion_r1110260488


##########
core/src/test/scala/other/kafka/StressTestLog.scala:
##########
@@ -123,7 +123,8 @@ object StressTestLog {
   class WriterThread(val log: UnifiedLog) extends WorkerThread with 
LogProgress {
     override def work(): Unit = {
       val logAppendInfo = 
log.appendAsLeader(TestUtils.singletonRecords(currentOffset.toString.getBytes), 
0)
-      require(logAppendInfo.firstOffset.forall(_.messageOffset == 
currentOffset) && logAppendInfo.lastOffset == currentOffset)
+      require((!logAppendInfo.firstOffset.isPresent || 
logAppendInfo.firstOffset.get().messageOffset == currentOffset)

Review Comment:
   It seems that `logAppendInfo.firstOffset.isEmpty` is simpler than 
`!logAppendInfo.firstOffset.isPresent`.



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