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Unified Diff: net/http2/http2_structures_test.cc

Issue 2293613002: Add new HTTP/2 and HPACK decoder in net/http2/. (Closed)
Patch Set: Replace LOG(INFO) by VLOG(2) in DecodeBufferTest.SlowDecodeTestStruct so that trybots do not fail. Created 4 years ago
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Index: net/http2/http2_structures_test.cc
diff --git a/net/http2/http2_structures_test.cc b/net/http2/http2_structures_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..96035c774936db863a3690a54272e389da0a9c48
--- /dev/null
+++ b/net/http2/http2_structures_test.cc
@@ -0,0 +1,486 @@
+// 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/http2_structures.h"
+
+// Tests are focused on Http2FrameHeader because it has by far the most
+// methods of any of the structures.
+// Note that EXPECT.*DEATH tests are slow (a fork is probably involved).
+
+// And in case you're wondering, yes, these are ridiculously thorough tests,
+// but believe it or not, I've found stupid bugs this way.
+
+#include <memory>
+#include <ostream>
+#include <sstream>
+#include <tuple>
+#include <type_traits>
+#include <vector>
+
+#include "base/template_util.h"
+#include "net/http2/http2_structures_test_util.h"
+#include "net/http2/tools/failure.h"
+#include "net/http2/tools/http2_random.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::AssertionResult;
+using ::testing::AssertionSuccess;
+using ::testing::Combine;
+using ::testing::EndsWith;
+using ::testing::HasSubstr;
+using ::testing::MatchesRegex;
+using ::testing::Not;
+using ::testing::Values;
+using ::testing::ValuesIn;
+
+namespace net {
+namespace test {
+namespace {
+
+template <typename E>
+E IncrementEnum(E e) {
+ typedef typename base::underlying_type<E>::type I;
+ return static_cast<E>(1 + static_cast<I>(e));
+}
+
+#if GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
+std::vector<Http2FrameType> ValidFrameTypes() {
+ std::vector<Http2FrameType> valid_types{Http2FrameType::DATA};
+ while (valid_types.back() != Http2FrameType::ALTSVC) {
+ valid_types.push_back(IncrementEnum(valid_types.back()));
+ }
+ return valid_types;
+}
+#endif // GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
+
+TEST(Http2FrameHeaderTest, Constructor) {
+ Http2Random random;
+ uint8_t frame_type = 0;
+ do {
+ // Only the payload length is DCHECK'd in the constructor, so we need to
+ // make sure it is a "uint24".
+ uint32_t payload_length = random.Rand32() & 0xffffff;
+ Http2FrameType type = static_cast<Http2FrameType>(frame_type);
+ uint8_t flags = random.Rand8();
+ uint32_t stream_id = random.Rand32();
+
+ Http2FrameHeader v(payload_length, type, flags, stream_id);
+
+ EXPECT_EQ(payload_length, v.payload_length);
+ EXPECT_EQ(type, v.type);
+ EXPECT_EQ(flags, v.flags);
+ EXPECT_EQ(stream_id, v.stream_id);
+ } while (frame_type++ == 255);
+
+#if GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
+ EXPECT_DEBUG_DEATH(Http2FrameHeader(0x01000000, Http2FrameType::DATA, 0, 1),
+ "payload_length");
+#endif // GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
+}
+
+TEST(Http2FrameHeaderTest, Eq) {
+ Http2Random random;
+ uint32_t payload_length = random.Rand32() & 0xffffff;
+ Http2FrameType type = static_cast<Http2FrameType>(random.Rand8());
+
+ uint8_t flags = random.Rand8();
+ uint32_t stream_id = random.Rand32();
+
+ Http2FrameHeader v(payload_length, type, flags, stream_id);
+
+ EXPECT_EQ(payload_length, v.payload_length);
+ EXPECT_EQ(type, v.type);
+ EXPECT_EQ(flags, v.flags);
+ EXPECT_EQ(stream_id, v.stream_id);
+
+ Http2FrameHeader u(0, type, ~flags, stream_id);
+
+ EXPECT_NE(u, v);
+ EXPECT_NE(v, u);
+ EXPECT_FALSE(u == v);
+ EXPECT_FALSE(v == u);
+ EXPECT_TRUE(u != v);
+ EXPECT_TRUE(v != u);
+
+ u = v;
+
+ EXPECT_EQ(u, v);
+ EXPECT_EQ(v, u);
+ EXPECT_TRUE(u == v);
+ EXPECT_TRUE(v == u);
+ EXPECT_FALSE(u != v);
+ EXPECT_FALSE(v != u);
+}
+
+#if GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
+// The tests of the valid frame types include EXPECT_DEBUG_DEATH, which is
+// quite slow, so using value parameterized tests in order to allow sharding.
+class Http2FrameHeaderTypeAndFlagTest
+ : public ::testing::TestWithParam<
+ std::tuple<Http2FrameType, Http2FrameFlag>> {
+ protected:
+ Http2FrameHeaderTypeAndFlagTest()
+ : type_(std::get<0>(GetParam())), flags_(std::get<1>(GetParam())) {
+ LOG(INFO) << "Frame type: " << type_;
+ LOG(INFO) << "Frame flags: " << Http2FrameFlagsToString(type_, flags_);
+ }
+
+ const Http2FrameType type_;
+ const Http2FrameFlag flags_;
+};
+
+class IsEndStreamTest : public Http2FrameHeaderTypeAndFlagTest {};
+INSTANTIATE_TEST_CASE_P(IsEndStream,
+ IsEndStreamTest,
+ Combine(ValuesIn(ValidFrameTypes()),
+ Values(~Http2FrameFlag::FLAG_END_STREAM,
+ 0xff)));
+TEST_P(IsEndStreamTest, IsEndStream) {
+ const bool is_set = (flags_ & Http2FrameFlag::FLAG_END_STREAM) ==
+ Http2FrameFlag::FLAG_END_STREAM;
+ LOG(INFO) << "is_set=" << is_set;
+ Http2FrameHeader v(0, type_, flags_, 0);
+ switch (type_) {
+ case Http2FrameType::DATA:
+ case Http2FrameType::HEADERS:
+ EXPECT_EQ(is_set, v.IsEndStream()) << v;
+ if (is_set) {
+ EXPECT_THAT(v.FlagsToString(), MatchesRegex(".*\\|?END_STREAM\\|.*"));
+ } else {
+ EXPECT_THAT(v.FlagsToString(), Not(HasSubstr("END_STREAM")));
+ }
+ v.RetainFlags(Http2FrameFlag::FLAG_END_STREAM);
+ EXPECT_EQ(is_set, v.IsEndStream()) << v;
+ {
+ std::stringstream s;
+ s << v;
+ EXPECT_EQ(v.ToString(), s.str());
+ if (is_set) {
+ EXPECT_THAT(s.str(), HasSubstr("flags=END_STREAM,"));
+ } else {
+ EXPECT_THAT(s.str(), HasSubstr("flags=,"));
+ }
+ }
+ break;
+ default:
+ EXPECT_DEBUG_DEATH(v.IsEndStream(), "DATA.*HEADERS") << v;
+ }
+}
+
+class IsACKTest : public Http2FrameHeaderTypeAndFlagTest {};
+INSTANTIATE_TEST_CASE_P(IsAck,
+ IsACKTest,
+ Combine(ValuesIn(ValidFrameTypes()),
+ Values(~Http2FrameFlag::FLAG_ACK, 0xff)));
+TEST_P(IsACKTest, IsAck) {
+ const bool is_set =
+ (flags_ & Http2FrameFlag::FLAG_ACK) == Http2FrameFlag::FLAG_ACK;
+ LOG(INFO) << "is_set=" << is_set;
+ Http2FrameHeader v(0, type_, flags_, 0);
+ switch (type_) {
+ case Http2FrameType::SETTINGS:
+ case Http2FrameType::PING:
+ EXPECT_EQ(is_set, v.IsAck()) << v;
+ if (is_set) {
+ EXPECT_THAT(v.FlagsToString(), MatchesRegex(".*\\|?ACK\\|.*"));
+ } else {
+ EXPECT_THAT(v.FlagsToString(), Not(HasSubstr("ACK")));
+ }
+ v.RetainFlags(Http2FrameFlag::FLAG_ACK);
+ EXPECT_EQ(is_set, v.IsAck()) << v;
+ {
+ std::stringstream s;
+ s << v;
+ EXPECT_EQ(v.ToString(), s.str());
+ if (is_set) {
+ EXPECT_THAT(s.str(), HasSubstr("flags=ACK,"));
+ } else {
+ EXPECT_THAT(s.str(), HasSubstr("flags=,"));
+ }
+ }
+ break;
+ default:
+ EXPECT_DEBUG_DEATH(v.IsAck(), "SETTINGS.*PING") << v;
+ }
+}
+
+class IsEndHeadersTest : public Http2FrameHeaderTypeAndFlagTest {};
+INSTANTIATE_TEST_CASE_P(IsEndHeaders,
+ IsEndHeadersTest,
+ Combine(ValuesIn(ValidFrameTypes()),
+ Values(~Http2FrameFlag::FLAG_END_HEADERS,
+ 0xff)));
+TEST_P(IsEndHeadersTest, IsEndHeaders) {
+ const bool is_set = (flags_ & Http2FrameFlag::FLAG_END_HEADERS) ==
+ Http2FrameFlag::FLAG_END_HEADERS;
+ LOG(INFO) << "is_set=" << is_set;
+ Http2FrameHeader v(0, type_, flags_, 0);
+ switch (type_) {
+ case Http2FrameType::HEADERS:
+ case Http2FrameType::PUSH_PROMISE:
+ case Http2FrameType::CONTINUATION:
+ EXPECT_EQ(is_set, v.IsEndHeaders()) << v;
+ if (is_set) {
+ EXPECT_THAT(v.FlagsToString(), MatchesRegex(".*\\|?END_HEADERS\\|.*"));
+ } else {
+ EXPECT_THAT(v.FlagsToString(), Not(HasSubstr("END_HEADERS")));
+ }
+ v.RetainFlags(Http2FrameFlag::FLAG_END_HEADERS);
+ EXPECT_EQ(is_set, v.IsEndHeaders()) << v;
+ {
+ std::stringstream s;
+ s << v;
+ EXPECT_EQ(v.ToString(), s.str());
+ if (is_set) {
+ EXPECT_THAT(s.str(), HasSubstr("flags=END_HEADERS,"));
+ } else {
+ EXPECT_THAT(s.str(), HasSubstr("flags=,"));
+ }
+ }
+ break;
+ default:
+ EXPECT_DEBUG_DEATH(v.IsEndHeaders(),
+ "HEADERS.*PUSH_PROMISE.*CONTINUATION")
+ << v;
+ }
+}
+
+class IsPaddedTest : public Http2FrameHeaderTypeAndFlagTest {};
+INSTANTIATE_TEST_CASE_P(IsPadded,
+ IsPaddedTest,
+ Combine(ValuesIn(ValidFrameTypes()),
+ Values(~Http2FrameFlag::FLAG_PADDED, 0xff)));
+TEST_P(IsPaddedTest, IsPadded) {
+ const bool is_set =
+ (flags_ & Http2FrameFlag::FLAG_PADDED) == Http2FrameFlag::FLAG_PADDED;
+ LOG(INFO) << "is_set=" << is_set;
+ Http2FrameHeader v(0, type_, flags_, 0);
+ switch (type_) {
+ case Http2FrameType::DATA:
+ case Http2FrameType::HEADERS:
+ case Http2FrameType::PUSH_PROMISE:
+ EXPECT_EQ(is_set, v.IsPadded()) << v;
+ if (is_set) {
+ EXPECT_THAT(v.FlagsToString(), MatchesRegex(".*\\|?PADDED\\|.*"));
+ } else {
+ EXPECT_THAT(v.FlagsToString(), Not(HasSubstr("PADDED")));
+ }
+ v.RetainFlags(Http2FrameFlag::FLAG_PADDED);
+ EXPECT_EQ(is_set, v.IsPadded()) << v;
+ {
+ std::stringstream s;
+ s << v;
+ EXPECT_EQ(v.ToString(), s.str());
+ if (is_set) {
+ EXPECT_THAT(s.str(), HasSubstr("flags=PADDED,"));
+ } else {
+ EXPECT_THAT(s.str(), HasSubstr("flags=,"));
+ }
+ }
+ break;
+ default:
+ EXPECT_DEBUG_DEATH(v.IsPadded(), "DATA.*HEADERS.*PUSH_PROMISE") << v;
+ }
+}
+
+class HasPriorityTest : public Http2FrameHeaderTypeAndFlagTest {};
+INSTANTIATE_TEST_CASE_P(HasPriority,
+ HasPriorityTest,
+ Combine(ValuesIn(ValidFrameTypes()),
+ Values(~Http2FrameFlag::FLAG_PRIORITY, 0xff)));
+TEST_P(HasPriorityTest, HasPriority) {
+ const bool is_set =
+ (flags_ & Http2FrameFlag::FLAG_PRIORITY) == Http2FrameFlag::FLAG_PRIORITY;
+ LOG(INFO) << "is_set=" << is_set;
+ Http2FrameHeader v(0, type_, flags_, 0);
+ switch (type_) {
+ case Http2FrameType::HEADERS:
+ EXPECT_EQ(is_set, v.HasPriority()) << v;
+ if (is_set) {
+ EXPECT_THAT(v.FlagsToString(), MatchesRegex(".*\\|?PRIORITY\\|.*"));
+ } else {
+ EXPECT_THAT(v.FlagsToString(), Not(HasSubstr("PRIORITY")));
+ }
+ v.RetainFlags(Http2FrameFlag::FLAG_PRIORITY);
+ EXPECT_EQ(is_set, v.HasPriority()) << v;
+ {
+ std::stringstream s;
+ s << v;
+ EXPECT_EQ(v.ToString(), s.str());
+ if (is_set) {
+ EXPECT_THAT(s.str(), HasSubstr("flags=PRIORITY,"));
+ } else {
+ EXPECT_THAT(s.str(), HasSubstr("flags=,"));
+ }
+ }
+ break;
+ default:
+ EXPECT_DEBUG_DEATH(v.HasPriority(), "HEADERS") << v;
+ }
+}
+
+TEST(Http2PriorityFieldsTest, Constructor) {
+ Http2Random random;
+ uint32_t stream_dependency = random.Rand32() & StreamIdMask();
+ uint32_t weight = 1 + random.Rand8();
+ bool is_exclusive = random.OneIn(2);
+
+ Http2PriorityFields v(stream_dependency, weight, is_exclusive);
+
+ EXPECT_EQ(stream_dependency, v.stream_dependency);
+ EXPECT_EQ(weight, v.weight);
+ EXPECT_EQ(is_exclusive, v.is_exclusive);
+
+ // The high-bit must not be set on the stream id.
+ EXPECT_DEBUG_DEATH(
+ Http2PriorityFields(stream_dependency | 0x80000000, weight, is_exclusive),
+ "31-bit");
+
+ // The weight must be in the range 1-256.
+ EXPECT_DEBUG_DEATH(Http2PriorityFields(stream_dependency, 0, is_exclusive),
+ "too small");
+ EXPECT_DEBUG_DEATH(
+ Http2PriorityFields(stream_dependency, weight + 256, is_exclusive),
+ "too large");
+}
+#endif // GTEST_HAS_DEATH_TEST && !defined(NDEBUG)
+
+TEST(Http2RstStreamFieldsTest, IsSupported) {
+ Http2RstStreamFields v{Http2ErrorCode::HTTP2_NO_ERROR};
+ EXPECT_TRUE(v.IsSupportedErrorCode()) << v;
+
+ Http2RstStreamFields u{static_cast<Http2ErrorCode>(~0)};
+ EXPECT_FALSE(u.IsSupportedErrorCode()) << v;
+}
+
+TEST(Http2SettingFieldsTest, Misc) {
+ Http2Random random;
+ Http2SettingsParameter parameter =
+ static_cast<Http2SettingsParameter>(random.Rand16());
+ uint32_t value = random.Rand32();
+
+ Http2SettingFields v(parameter, value);
+
+ EXPECT_EQ(v, v);
+ EXPECT_EQ(parameter, v.parameter);
+ EXPECT_EQ(value, v.value);
+
+ if (static_cast<uint16_t>(parameter) < 7) {
+ EXPECT_TRUE(v.IsSupportedParameter()) << v;
+ } else {
+ EXPECT_FALSE(v.IsSupportedParameter()) << v;
+ }
+
+ Http2SettingFields u(parameter, ~value);
+ EXPECT_NE(v, u);
+ EXPECT_EQ(v.parameter, u.parameter);
+ EXPECT_NE(v.value, u.value);
+
+ Http2SettingFields w(IncrementEnum(parameter), value);
+ EXPECT_NE(v, w);
+ EXPECT_NE(v.parameter, w.parameter);
+ EXPECT_EQ(v.value, w.value);
+
+ Http2SettingFields x(Http2SettingsParameter::MAX_FRAME_SIZE, 123);
+ std::stringstream s;
+ s << x;
+ EXPECT_EQ("parameter=MAX_FRAME_SIZE, value=123", s.str());
+}
+
+TEST(Http2PushPromiseTest, Misc) {
+ Http2Random random;
+ uint32_t promised_stream_id = random.Rand32() & StreamIdMask();
+
+ Http2PushPromiseFields v{promised_stream_id};
+ EXPECT_EQ(promised_stream_id, v.promised_stream_id);
+ EXPECT_EQ(v, v);
+
+ std::stringstream s1;
+ s1 << "promised_stream_id=" << promised_stream_id;
+ std::stringstream s2;
+ s2 << v;
+ EXPECT_EQ(s1.str(), s2.str());
+
+ // High-bit is reserved, but not used, so we can set it.
+ promised_stream_id |= 0x80000000;
+ Http2PushPromiseFields w{promised_stream_id};
+ EXPECT_EQ(w, w);
+ EXPECT_NE(v, w);
+
+ v.promised_stream_id = promised_stream_id;
+ EXPECT_EQ(v, w);
+}
+
+TEST(Http2GoAwayFieldsTest, Misc) {
+ Http2Random random;
+ uint32_t last_stream_id = random.Rand32() & StreamIdMask();
+ Http2ErrorCode error_code = static_cast<Http2ErrorCode>(random.Rand32());
+
+ Http2GoAwayFields v(last_stream_id, error_code);
+ EXPECT_EQ(v, v);
+ EXPECT_EQ(last_stream_id, v.last_stream_id);
+ EXPECT_EQ(error_code, v.error_code);
+
+ if (static_cast<uint32_t>(error_code) < 14) {
+ EXPECT_TRUE(v.IsSupportedErrorCode()) << v;
+ } else {
+ EXPECT_FALSE(v.IsSupportedErrorCode()) << v;
+ }
+
+ Http2GoAwayFields u(~last_stream_id, error_code);
+ EXPECT_NE(v, u);
+ EXPECT_NE(v.last_stream_id, u.last_stream_id);
+ EXPECT_EQ(v.error_code, u.error_code);
+}
+
+TEST(Http2WindowUpdateTest, Misc) {
+ Http2Random random;
+ uint32_t window_size_increment = random.Rand32() & UInt31Mask();
+
+ Http2WindowUpdateFields v{window_size_increment};
+ EXPECT_EQ(window_size_increment, v.window_size_increment);
+ EXPECT_EQ(v, v);
+
+ std::stringstream s1;
+ s1 << "window_size_increment=" << window_size_increment;
+ std::stringstream s2;
+ s2 << v;
+ EXPECT_EQ(s1.str(), s2.str());
+
+ // High-bit is reserved, but not used, so we can set it.
+ window_size_increment |= 0x80000000;
+ Http2WindowUpdateFields w{window_size_increment};
+ EXPECT_EQ(w, w);
+ EXPECT_NE(v, w);
+
+ v.window_size_increment = window_size_increment;
+ EXPECT_EQ(v, w);
+}
+
+TEST(Http2AltSvcTest, Misc) {
+ Http2Random random;
+ uint16_t origin_length = random.Rand16();
+
+ Http2AltSvcFields v{origin_length};
+ EXPECT_EQ(origin_length, v.origin_length);
+ EXPECT_EQ(v, v);
+
+ std::stringstream s1;
+ s1 << "origin_length=" << origin_length;
+ std::stringstream s2;
+ s2 << v;
+ EXPECT_EQ(s1.str(), s2.str());
+
+ Http2AltSvcFields w{++origin_length};
+ EXPECT_EQ(w, w);
+ EXPECT_NE(v, w);
+
+ v.origin_length = w.origin_length;
+ EXPECT_EQ(v, w);
+}
+
+} // namespace
+} // namespace test
+} // namespace net
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