In quic, do not arm pto timer with no packets in flight if handshake packet gets received by peer. affecting client only. not protected.
PiperOrigin-RevId: 321619242
Change-Id: If85c601a6d033d45658546c3b6ac87b8e908367f
diff --git a/quic/core/quic_sent_packet_manager_test.cc b/quic/core/quic_sent_packet_manager_test.cc
index a6c8338..2ce7529 100644
--- a/quic/core/quic_sent_packet_manager_test.cc
+++ b/quic/core/quic_sent_packet_manager_test.cc
@@ -2765,6 +2765,19 @@
// Fire PTO.
EXPECT_EQ(QuicSentPacketManager::PTO_MODE,
manager_.OnRetransmissionTimeout());
+ // Send handshake packet.
+ SendDataPacket(2, ENCRYPTION_HANDSHAKE);
+ // Ack packet 2.
+ ExpectAck(2);
+ manager_.OnAckFrameStart(QuicPacketNumber(2), QuicTime::Delta::Infinite(),
+ clock_.Now());
+ manager_.OnAckRange(QuicPacketNumber(2), QuicPacketNumber(3));
+ EXPECT_EQ(PACKETS_NEWLY_ACKED,
+ manager_.OnAckFrameEnd(clock_.Now(), QuicPacketNumber(2),
+ ENCRYPTION_HANDSHAKE));
+ // Verify retransmission timeout is zero because server has successfully
+ // processed HANDSHAKE packet.
+ EXPECT_EQ(QuicTime::Zero(), manager_.GetRetransmissionTime());
}
TEST_F(QuicSentPacketManagerTest, DisableHandshakeModeServer) {
