Disable QUIC v29 and earlier. Protected by FLAGS_quic_disable_pre_30.

net/quic/quic_protocol_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_protocol.h"
 
 #include <sstream>
 
 #include "base/stl_util.h"
+#include "net/quic/quic_flags.h"
 #include "net/quic/quic_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 namespace {
 
 TEST(QuicProtocolTest, AdjustErrorForVersion) {
   ASSERT_EQ(14, QUIC_STREAM_LAST_ERROR)
       << "Any additions to QuicRstStreamErrorCode require an addition to "
@@ skipping 255 matching lines @@
 }
 
 TEST(QuicProtocolTest, PathCloseFrameToString) {
   QuicPathCloseFrame frame;
   frame.path_id = 1;
   std::ostringstream stream;
   stream << frame;
   EXPECT_EQ("{ path_id: 1 }\n", stream.str());
 }
 
+TEST(QuicProtocolTest, FilterSupportedVersions) {
+  QuicVersionVector all_versions = {QUIC_VERSION_25, QUIC_VERSION_26,
+                                    QUIC_VERSION_27, QUIC_VERSION_29,
+                                    QUIC_VERSION_30};
+
+  FLAGS_quic_disable_pre_30 = true;
+  QuicVersionVector filtered_versions = FilterSupportedVersions(all_versions);
+  ASSERT_EQ(1u, filtered_versions.size());
+  EXPECT_EQ(QUIC_VERSION_30, filtered_versions[0]);
+}
+
 // Tests that a queue contains the expected data after calls to Add().
 TEST(PacketNumberQueueTest, AddRange) {
   PacketNumberQueue queue;
   queue.Add(1, 51);
   queue.Add(53);
 
   EXPECT_FALSE(queue.Contains(0));
   for (int i = 1; i < 51; ++i) {
     EXPECT_TRUE(queue.Contains(i));
   }
@@ skipping 89 matching lines @@
   EXPECT_EQ(10u, queue.LastIntervalLength());
   queue.Remove(9, 21);
   EXPECT_EQ(3u, queue.NumIntervals());
   EXPECT_FALSE(queue.Contains(9));
   EXPECT_FALSE(queue.Contains(20));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net