### Question:
ProducerBatch { boolean maybeExpire(int requestTimeoutMs, long retryBackoffMs, long now, long lingerMs, boolean isFull) { if (!this.inRetry() && isFull && requestTimeoutMs < (now - this.lastAppendTime)) expiryErrorMessage = (now - this.lastAppendTime) + " ms has passed since last append"; else if (!this.inRetry() && requestTimeoutMs < (createdTimeMs(now) - lingerMs)) expiryErrorMessage = (createdTimeMs(now) - lingerMs) + " ms has passed since batch creation plus linger time"; else if (this.inRetry() && requestTimeoutMs < (waitedTimeMs(now) - retryBackoffMs)) expiryErrorMessage = (waitedTimeMs(now) - retryBackoffMs) + " ms has passed since last attempt plus backoff time"; boolean expired = expiryErrorMessage != null; if (expired) abortRecordAppends(); return expired; } ProducerBatch(TopicPartition tp, MemoryRecordsBuilder recordsBuilder, long now);  ProducerBatch(TopicPartition tp, MemoryRecordsBuilder recordsBuilder, long now, boolean isSplitBatch); FutureRecordMetadata tryAppend(long timestamp, byte[] key, byte[] value, Header[] headers, Callback callback, long now); void abort(RuntimeException exception); void done(long baseOffset, long logAppendTime, RuntimeException exception); Deque<ProducerBatch> split(int splitBatchSize); boolean isCompressed(); @Override String toString(); boolean inRetry(); MemoryRecords records(); int sizeInBytes(); double compressionRatio(); boolean isFull(); void setProducerState(ProducerIdAndEpoch producerIdAndEpoch, int baseSequence, boolean isTransactional); void closeForRecordAppends(); void close(); void abortRecordAppends(); boolean isClosed(); ByteBuffer buffer(); int initialCapacity(); boolean isWritable(); byte magic(); long producerId(); short producerEpoch();  }### Answer:
@Test public void testLargeLingerOldNowExpire() { ProducerBatch batch = new ProducerBatch(new TopicPartition("topic", 1), memoryRecordsBuilder, now); assertFalse(batch.maybeExpire(10240, 100L, now - 2L, Long.MAX_VALUE, false)); }
@Test public void testLargeFullOldNowExpire() { ProducerBatch batch = new ProducerBatch(new TopicPartition("topic", 1), memoryRecordsBuilder, now); assertFalse(batch.maybeExpire(10240, 10240L, now - 2L, 10240L, true)); }