Accept and ignore PRIORITY frames in SPDY4+.

net/spdy/spdy_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/spdy/spdy_protocol.h"
 
 #include <limits>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 23 matching lines @@
   // Version of SPDY protocol to be used.
   SpdyMajorVersion spdy_version_;
 };
 
 // All tests are run with two different SPDY versions: SPDY/2 and SPDY/3.
 INSTANTIATE_TEST_CASE_P(SpdyProtocolTests,
                         SpdyProtocolTest,
                         ::testing::Values(SPDY2, SPDY3));
 
 // Test our protocol constants
+// TODO(hkhalil): Remove this test once we no longer rely on exact values.
 TEST_P(SpdyProtocolTest, ProtocolConstants) {
   EXPECT_EQ(1, SYN_STREAM);
   EXPECT_EQ(2, SYN_REPLY);
   EXPECT_EQ(3, RST_STREAM);
   EXPECT_EQ(4, SETTINGS);
   EXPECT_EQ(5, NOOP);
   EXPECT_EQ(6, PING);
   EXPECT_EQ(7, GOAWAY);
   EXPECT_EQ(8, HEADERS);
   EXPECT_EQ(9, WINDOW_UPDATE);
   EXPECT_EQ(10, CREDENTIAL);
   EXPECT_EQ(11, BLOCKED);
   EXPECT_EQ(12, PUSH_PROMISE);
   EXPECT_EQ(13, CONTINUATION);
   EXPECT_EQ(14, ALTSVC);
-  EXPECT_EQ(14, LAST_CONTROL_TYPE);
+  EXPECT_EQ(15, PRIORITY);
+  EXPECT_EQ(15, LAST_CONTROL_TYPE);
   EXPECT_EQ(std::numeric_limits<int32>::max(), kSpdyMaximumWindowSize);
 }
 
 class SpdyProtocolDeathTest : public SpdyProtocolTest {};
 
 // All tests are run with two different SPDY versions: SPDY/2 and SPDY/3.
 INSTANTIATE_TEST_CASE_P(SpdyProtocolDeathTests,
                         SpdyProtocolDeathTest,
                         ::testing::Values(SPDY2, SPDY3));
 
 TEST_P(SpdyProtocolDeathTest, TestSpdySettingsAndIdOutOfBounds) {
   scoped_ptr<SettingsFlagsAndId> flags_and_id;
 
   EXPECT_DFATAL(flags_and_id.reset(new SettingsFlagsAndId(1, ~0)),
                 "SPDY setting ID too large.");
   // Make sure that we get expected values in opt mode.
   if (flags_and_id.get() != NULL) {
     EXPECT_EQ(1, flags_and_id->flags());
     EXPECT_EQ(static_cast<SpdyPingId>(0xffffff), flags_and_id->id());
   }
 }
 
 }  // namespace net