Record stats when forward progress is made on a QUIC connection after
changing the flow label on PTO.
PiperOrigin-RevId: 691148078
diff --git a/quiche/quic/core/quic_connection_test.cc b/quiche/quic/core/quic_connection_test.cc
index 9d5a937..007f422 100644
--- a/quiche/quic/core/quic_connection_test.cc
+++ b/quiche/quic/core/quic_connection_test.cc
@@ -10043,6 +10043,14 @@
EXPECT_CALL(*send_algorithm_, OnPacketSent(_, _, _, _, _)).Times(1);
connection_.GetRetransmissionAlarm()->Fire();
EXPECT_NE(flow_label, connection_.outgoing_flow_label());
+ EXPECT_EQ(1, connection_.GetStats().num_flow_label_changes);
+
+ EXPECT_CALL(visitor_, OnForwardProgressMadeAfterFlowLabelChange());
+ EXPECT_CALL(*send_algorithm_, OnCongestionEvent(_, _, _, _, _, _, _));
+ QuicAckFrame frame = InitAckFrame(last_packet);
+ ProcessAckPacket(1, &frame);
+ EXPECT_EQ(
+ 1, connection_.GetStats().num_forward_progress_after_flow_label_change);
}
TEST_P(QuicConnectionTest, NewReceiveNewFlowLabelWithGapChangesFlowLabel) {
