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

net/http2/decoder/payload_decoders/altsvc_payload_decoder_test.cc

Index: net/http2/decoder/payload_decoders/altsvc_payload_decoder_test.cc
diff --git a/net/http2/decoder/payload_decoders/altsvc_payload_decoder_test.cc b/net/http2/decoder/payload_decoders/altsvc_payload_decoder_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e10fc503c77fbfd599c0c4a5acd602405b35b308
--- /dev/null
+++ b/net/http2/decoder/payload_decoders/altsvc_payload_decoder_test.cc
@@ -0,0 +1,133 @@
+// 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/altsvc_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 {
+
+// Provides friend access to an instance of the payload decoder, and also
+// provides info to aid in testing.
+class AltSvcPayloadDecoderPeer {
+ public:
+  static constexpr Http2FrameType FrameType() { return Http2FrameType::ALTSVC; }
+
+  // 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(AltSvcPayloadDecoder* p, RandomBase* rng) {
+    CorruptEnum(&p->payload_state_, rng);
+    test::Randomize(&p->altsvc_fields_, rng);
+    VLOG(1) << "AltSvcPayloadDecoderPeer::Randomize altsvc_fields_="
+            << p->altsvc_fields_;
+  }
+};
+
+namespace {
+
+struct Listener : public FramePartsCollector {
+  void OnAltSvcStart(const Http2FrameHeader& header,
+                     size_t origin_length,
+                     size_t value_length) override {
+    VLOG(1) << "OnAltSvcStart header: " << header
+            << "; origin_length=" << origin_length
+            << "; value_length=" << value_length;
+    StartFrame(header)->OnAltSvcStart(header, origin_length, value_length);
+  }
+
+  void OnAltSvcOriginData(const char* data, size_t len) override {
+    VLOG(1) << "OnAltSvcOriginData: len=" << len;
+    CurrentFrame()->OnAltSvcOriginData(data, len);
+  }
+
+  void OnAltSvcValueData(const char* data, size_t len) override {
+    VLOG(1) << "OnAltSvcValueData: len=" << len;
+    CurrentFrame()->OnAltSvcValueData(data, len);
+  }
+
+  void OnAltSvcEnd() override {
+    VLOG(1) << "OnAltSvcEnd";
+    EndFrame()->OnAltSvcEnd();
+  }
+
+  void OnFrameSizeError(const Http2FrameHeader& header) override {
+    VLOG(1) << "OnFrameSizeError: " << header;
+    FrameError(header)->OnFrameSizeError(header);
+  }
+};
+
+class AltSvcPayloadDecoderTest
+    : public AbstractPayloadDecoderTest<AltSvcPayloadDecoder,
+                                        AltSvcPayloadDecoderPeer,
+                                        Listener> {};
+
+// Confirm we get an error if the payload is not long enough to hold
+// Http2AltSvcFields and the indicated length of origin.
+TEST_F(AltSvcPayloadDecoderTest, Truncated) {
+  Http2FrameBuilder fb;
+  fb.Append(Http2AltSvcFields{0xffff});  // The longest possible origin length.
+  fb.Append("Too little origin!");
+  EXPECT_TRUE(VerifyDetectsFrameSizeError(
+      0, fb.buffer(),
+      base::Bind(&AbstractPayloadDecoderTest::SucceedingApproveSize)));
+}
+
+class AltSvcPayloadLengthTests : public AltSvcPayloadDecoderTest,
+                                 public ::testing::WithParamInterface<
+                                     ::testing::tuple<uint16_t, uint32_t>> {
+ protected:
+  AltSvcPayloadLengthTests()
+      : origin_length_(::testing::get<0>(GetParam())),
+        value_length_(::testing::get<1>(GetParam())) {
+    VLOG(1) << "################  origin_length_=" << origin_length_
+            << "   value_length_=" << value_length_ << "  ################";
+  }
+
+  const uint16_t origin_length_;
+  const uint32_t value_length_;
+};
+
+INSTANTIATE_TEST_CASE_P(VariousOriginAndValueLengths,
+                        AltSvcPayloadLengthTests,
+                        ::testing::Combine(::testing::Values(0, 1, 3, 65535),
+                                           ::testing::Values(0, 1, 3, 65537)));
+
+TEST_P(AltSvcPayloadLengthTests, ValidOriginAndValueLength) {
+  string origin = Random().RandString(origin_length_);
+  string value = Random().RandString(value_length_);
+  Http2FrameBuilder fb;
+  fb.Append(Http2AltSvcFields{origin_length_});
+  fb.Append(origin);
+  fb.Append(value);
+  Http2FrameHeader header(fb.size(), Http2FrameType::ALTSVC, RandFlags(),
+                          RandStreamId());
+  set_frame_header(header);
+  FrameParts expected(header);
+  expected.SetAltSvcExpected(origin, value);
+  ASSERT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected));
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace net