chromium/net/third_party/quiche/src/quiche/quic/core/qpack/qpack_decoded_headers_accumulator_test.cc

// Copyright (c) 2019 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 "quiche/quic/core/qpack/qpack_decoded_headers_accumulator.h"

#include <cstring>
#include <string>

#include "absl/strings/escaping.h"
#include "absl/strings/string_view.h"
#include "quiche/quic/core/qpack/qpack_decoder.h"
#include "quiche/quic/platform/api/quic_test.h"
#include "quiche/quic/test_tools/qpack/qpack_test_utils.h"

_;
ElementsAre;
Eq;
Pair;
SaveArg;
StrictMock;

namespace quic {
namespace test {
namespace {

// Arbitrary stream ID used for testing.
QuicStreamId kTestStreamId = …;

// Limit on header list size.
const size_t kMaxHeaderListSize = …;

// Maximum dynamic table capacity.
const size_t kMaxDynamicTableCapacity = …;

// Maximum number of blocked streams.
const uint64_t kMaximumBlockedStreams = …;

// Header Acknowledgement decoder stream instruction with stream_id = 1.
const char* const kHeaderAcknowledgement = …;

class MockVisitor : public QpackDecodedHeadersAccumulator::Visitor { … };

}  // anonymous namespace

class QpackDecodedHeadersAccumulatorTest : public QuicTest { … };

// HEADERS frame payload must have a complete Header Block Prefix.
TEST_F(QpackDecodedHeadersAccumulatorTest, EmptyPayload) { … }

// HEADERS frame payload must have a complete Header Block Prefix.
TEST_F(QpackDecodedHeadersAccumulatorTest, TruncatedHeaderBlockPrefix) { … }

TEST_F(QpackDecodedHeadersAccumulatorTest, EmptyHeaderList) { … }

// This payload is the prefix of a valid payload, but EndHeaderBlock() is called
// before it can be completely decoded.
TEST_F(QpackDecodedHeadersAccumulatorTest, TruncatedPayload) { … }

// This payload is invalid because it refers to a non-existing static entry.
TEST_F(QpackDecodedHeadersAccumulatorTest, InvalidPayload) { … }

TEST_F(QpackDecodedHeadersAccumulatorTest, Success) { … }

// Test that Decode() calls are not ignored after header list limit is exceeded,
// otherwise decoding could fail with "incomplete header block" error.
TEST_F(QpackDecodedHeadersAccumulatorTest, ExceedLimitThenSplitInstruction) { … }

// Test that header list limit enforcement works with blocked encoding.
TEST_F(QpackDecodedHeadersAccumulatorTest, ExceedLimitBlocked) { … }

TEST_F(QpackDecodedHeadersAccumulatorTest, BlockedDecoding) { … }

TEST_F(QpackDecodedHeadersAccumulatorTest,
       BlockedDecodingUnblockedBeforeEndOfHeaderBlock) { … }

// Regression test for https://crbug.com/1024263.
TEST_F(QpackDecodedHeadersAccumulatorTest,
       BlockedDecodingUnblockedAndErrorBeforeEndOfHeaderBlock) { … }

}  // namespace test
}  // namespace quic