Implement the "sanity checks" described in b/9509040: Incoming packets

net/quic/test_tools/quic_test_utils.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Common utilities for Quic tests
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
 
 #include <string>
@@ skipping 48 matching lines @@
 IPAddressNumber Loopback6();
 
 void GenerateBody(std::string* body, int length);
 
 // Create an encrypted packet for testing.
 QuicEncryptedPacket* ConstructEncryptedPacket(
     QuicConnectionId connection_id,
     bool version_flag,
     bool reset_flag,
     QuicPacketSequenceNumber sequence_number,
+    const std::string& data,
+    QuicConnectionIdLength connection_id_length,
+    QuicSequenceNumberLength sequence_number_length);
+
+// This form assumes |connection_id_length| == PACKET_8BYTE_CONNECTION_ID and
+// |sequence_number_length| == PACKET_6BYTE_SEQUENCE_NUMBER.
+QuicEncryptedPacket* ConstructEncryptedPacket(
+    QuicConnectionId connection_id,
+    bool version_flag,
+    bool reset_flag,
+    QuicPacketSequenceNumber sequence_number,
     const std::string& data);
 
 void CompareCharArraysWithHexError(const std::string& description,
                                    const char* actual,
                                    const int actual_len,
                                    const char* expected,
                                    const int expected_len);
 
 bool DecodeHexString(const base::StringPiece& hex, std::string* bytes);
 
@@ skipping 518 matching lines @@
   // clears the pointer to it to prevent use-after-free.
   void Unregister(PerConnectionPacketWriter* writer);
 
   PerConnectionPacketWriter* current_writer_;
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_