Close the QUIC connection if too many sent or received packets are

net/quic/quic_connection_test.cc

Index: net/quic/quic_connection_test.cc
diff --git a/net/quic/quic_connection_test.cc b/net/quic/quic_connection_test.cc
index fddf22a32127c84de4f2434fcc69822ea528caea..4f1e97a13496fc1c424015944173dd4d06335ffe 100644
--- a/net/quic/quic_connection_test.cc
+++ b/net/quic/quic_connection_test.cc
@@ -1314,6 +1314,49 @@ TEST_P(QuicConnectionTest, LeastUnackedLower) {
   ProcessStopWaitingPacket(&frame3);
 }
 
+TEST_P(QuicConnectionTest, TooManySentPackets) {
+  EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
+
+  for (int i = 0; i < 1100; ++i) {
+    SendStreamDataToPeer(1, "foo", 3 * i, !kFin, nullptr);
+  }
+
+  // Ack packet 1, which leaves more than the limit outstanding.
+  EXPECT_CALL(*send_algorithm_, OnCongestionEvent(true, _, _, _));
+  if (FLAGS_quic_too_many_outstanding_packets) {
+    EXPECT_CALL(visitor_,
+                OnConnectionClosed(QUIC_TOO_MANY_OUTSTANDING_SENT_PACKETS,
+                                   false));
+    EXPECT_CALL(visitor_, OnCanWrite()).Times(0);
+  } else {
+    EXPECT_CALL(visitor_, OnCanWrite()).Times(1);
+  }
+  // Nack every packet except the last one, leaving a huge gap.
+  QuicAckFrame frame1 = InitAckFrame(1100);
+  for (QuicPacketSequenceNumber i = 1; i < 1100; ++i) {
+    NackPacket(i, &frame1);
+  }
+  ProcessAckPacket(&frame1);
+}
+
+TEST_P(QuicConnectionTest, TooManyReceivedPackets) {
+  EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));
+
+  if (FLAGS_quic_too_many_outstanding_packets) {
+    EXPECT_CALL(visitor_,
+                OnConnectionClosed(QUIC_TOO_MANY_OUTSTANDING_RECEIVED_PACKETS,
+                                   false));
+  }
+
+  // Miss every other packet for 1000 packets.
+  for (QuicPacketSequenceNumber i = 1; i < 1000; ++i) {
+    ProcessPacket(i * 2);
+    if (!connection_.connected()) {
+      break;
+    }
+  }
+}
+
 TEST_P(QuicConnectionTest, LargestObservedLower) {
   EXPECT_CALL(visitor_, OnSuccessfulVersionNegotiation(_));