Add new HTTP/2 and HPACK decoder in net/http2/.

net/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc

Index: net/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc
diff --git a/net/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc b/net/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..248ac0d19e2a4bf5806df62ca18caa43b9d77f67
--- /dev/null
+++ b/net/http2/decoder/payload_decoders/goaway_payload_decoder_test.cc
@@ -0,0 +1,122 @@
+// Copyright 2016 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/http2/decoder/payload_decoders/goaway_payload_decoder.h"
+
+#include <stddef.h>
+
+#include <string>
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "net/http2/decoder/frame_parts.h"
+#include "net/http2/decoder/frame_parts_collector.h"
+#include "net/http2/decoder/http2_frame_decoder_listener.h"
+#include "net/http2/decoder/payload_decoders/payload_decoder_base_test_util.h"
+#include "net/http2/http2_constants.h"
+#include "net/http2/http2_structures_test_util.h"
+#include "net/http2/tools/http2_frame_builder.h"
+#include "net/http2/tools/http2_random.h"
+#include "net/http2/tools/random_decoder_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using std::string;
+
+namespace net {
+namespace test {
+
+class GoAwayPayloadDecoderPeer {
+ public:
+  static constexpr Http2FrameType FrameType() { return Http2FrameType::GOAWAY; }
+
+  // Returns the mask of flags that affect the decoding of the payload (i.e.
+  // flags that that indicate the presence of certain fields or padding).
+  static constexpr uint8_t FlagsAffectingPayloadDecoding() { return 0; }
+
+  static void Randomize(GoAwayPayloadDecoder* p, RandomBase* rng) {
+    CorruptEnum(&p->payload_state_, rng);
+    test::Randomize(&p->goaway_fields_, rng);
+    VLOG(1) << "GoAwayPayloadDecoderPeer::Randomize goaway_fields: "
+            << p->goaway_fields_;
+  }
+};
+
+namespace {
+
+struct Listener : public FramePartsCollector {
+  void OnGoAwayStart(const Http2FrameHeader& header,
+                     const Http2GoAwayFields& goaway) override {
+    VLOG(1) << "OnGoAwayStart header: " << header << "; goaway: " << goaway;
+    StartFrame(header)->OnGoAwayStart(header, goaway);
+  }
+
+  void OnGoAwayOpaqueData(const char* data, size_t len) override {
+    VLOG(1) << "OnGoAwayOpaqueData: len=" << len;
+    CurrentFrame()->OnGoAwayOpaqueData(data, len);
+  }
+
+  void OnGoAwayEnd() override {
+    VLOG(1) << "OnGoAwayEnd";
+    EndFrame()->OnGoAwayEnd();
+  }
+
+  void OnFrameSizeError(const Http2FrameHeader& header) override {
+    VLOG(1) << "OnFrameSizeError: " << header;
+    FrameError(header)->OnFrameSizeError(header);
+  }
+};
+
+class GoAwayPayloadDecoderTest
+    : public AbstractPayloadDecoderTest<GoAwayPayloadDecoder,
+                                        GoAwayPayloadDecoderPeer,
+                                        Listener> {
+ public:
+  static bool ApproveSizeForTruncated(size_t size) {
+    return size != Http2GoAwayFields::EncodedSize();
+  }
+};
+
+// Confirm we get an error if the payload is not long enough to hold
+// Http2GoAwayFields.
+TEST_F(GoAwayPayloadDecoderTest, Truncated) {
+  Http2FrameBuilder fb;
+  fb.Append(Http2GoAwayFields(123, Http2ErrorCode::ENHANCE_YOUR_CALM));
+  EXPECT_TRUE(VerifyDetectsFrameSizeError(
+      0, fb.buffer(),
+      base::Bind(&GoAwayPayloadDecoderTest::ApproveSizeForTruncated)));
+}
+
+class GoAwayOpaqueDataLengthTests
+    : public GoAwayPayloadDecoderTest,
+      public ::testing::WithParamInterface<uint32_t> {
+ protected:
+  GoAwayOpaqueDataLengthTests() : length_(GetParam()) {
+    VLOG(1) << "################  length_=" << length_ << "  ################";
+  }
+
+  const uint32_t length_;
+};
+
+INSTANTIATE_TEST_CASE_P(VariousLengths,
+                        GoAwayOpaqueDataLengthTests,
+                        ::testing::Values(0, 1, 2, 3, 4, 5, 6));
+
+TEST_P(GoAwayOpaqueDataLengthTests, ValidLength) {
+  Http2GoAwayFields goaway;
+  Randomize(&goaway, RandomPtr());
+  string opaque_data = Random().RandString(length_);
+  Http2FrameBuilder fb;
+  fb.Append(goaway);
+  fb.Append(opaque_data);
+  Http2FrameHeader header(fb.size(), Http2FrameType::GOAWAY, RandFlags(),
+                          RandStreamId());
+  set_frame_header(header);
+  FrameParts expected(header, opaque_data);
+  expected.opt_goaway = goaway;
+  ASSERT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected));
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace net