These packets got reformatted at some point, maybe before the clang-format off annotation was added.

net/quic/quic_framer_test.cc

 // 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.
 
 #include "net/quic/quic_framer.h"
 
 #include <stdint.h>
 #include <algorithm>
 #include <map>
 #include <string>
@@ skipping 3092 matching lines @@
                                StringPiece("hello world!"));
 
   QuicFrames frames;
   frames.push_back(QuicFrame(&stream_frame));
 
   // clang-format off
   unsigned char packet[] = {
       // public flags (version, 8 byte connection_id)
       0x3D,
       // connection_id
-      0x10,
-      0x32,
-      0x54,
-      0x76,
-      0x98,
-      0xBA,
-      0xDC,
-      0xFE,
+      0x10, 0x32, 0x54, 0x76, 0x98, 0xBA, 0xDC, 0xFE,
       // version tag
-      'Q',
-      '0',
-      GetQuicVersionDigitTens(),
-      GetQuicVersionDigitOnes(),
+      'Q', '0',  GetQuicVersionDigitTens(), GetQuicVersionDigitOnes(),
       // packet number
-      0xBC,
-      0x9A,
-      0x78,
-      0x56,
-      0x34,
-      0x12,
+      0xBC, 0x9A, 0x78, 0x56, 0x34, 0x12,
       // private flags (entropy)
       0x01,
 
       // frame type (stream frame with fin and no length)
       0xDF,
       // stream id
-      0x04,
-      0x03,
-      0x02,
-      0x01,
+      0x04, 0x03, 0x02, 0x01,
       // offset
-      0x54,
-      0x76,
-      0x10,
-      0x32,
-      0xDC,
-      0xFE,
-      0x98,
-      0xBA,
+      0x54, 0x76, 0x10, 0x32, 0xDC, 0xFE, 0x98, 0xBA,
       // data
-      'h',
-      'e',
-      'l',
-      'l',
-      'o',
-      ' ',
-      'w',
-      'o',
-      'r',
-      'l',
-      'd',
-      '!',
+      'h',  'e',  'l',  'l',  'o',  ' ',  'w',  'o',  'r', 'l', 'd', '!',
   };
   // clang-format on
 
   QuicFramerPeer::SetPerspective(&framer_, Perspective::IS_CLIENT);
   scoped_ptr<QuicPacket> data(BuildDataPacket(header, frames));
   ASSERT_TRUE(data != nullptr);
 
   test::CompareCharArraysWithHexError("constructed packet", data->data(),
                                       data->length(), AsChars(packet),
                                       arraysize(packet));
 }
 
 TEST_P(QuicFramerTest, BuildVersionNegotiationPacket) {
   // clang-format off
   unsigned char packet[] = {
       // public flags (version, 8 byte connection_id)
       0x0D,
       // connection_id
-      0x10,
-      0x32,
-      0x54,
-      0x76,
-      0x98,
-      0xBA,
-      0xDC,
-      0xFE,
+      0x10, 0x32, 0x54, 0x76, 0x98, 0xBA, 0xDC, 0xFE,
       // version tag
-      'Q',
-      '0',
-      GetQuicVersionDigitTens(),
-      GetQuicVersionDigitOnes(),
+      'Q', '0',  GetQuicVersionDigitTens(), GetQuicVersionDigitOnes(),
   };
   // clang-format on
 
   QuicConnectionId connection_id = kConnectionId;
   scoped_ptr<QuicEncryptedPacket> data(framer_.BuildVersionNegotiationPacket(
       connection_id, SupportedVersions(GetParam())));
   test::CompareCharArraysWithHexError("constructed packet", data->data(),
                                       data->length(), AsChars(packet),
                                       arraysize(packet));
 }
@@ skipping 1167 matching lines @@
   EXPECT_CALL(visitor, OnStreamFrame(_)).Times(0);
   EXPECT_CALL(visitor, OnAckFrame(_)).Times(0);
   EXPECT_CALL(visitor, OnPacketComplete()).Times(0);
 
   EXPECT_FALSE(framer_.ProcessPacket(*packet));
   EXPECT_EQ(QUIC_INVALID_PACKET_HEADER, framer_.error());
 }
 
 }  // namespace test
 }  // namespace net