// 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.

#ifndef QUICHE_SPDY_CORE_SPDY_TEST_UTILS_H_
#define QUICHE_SPDY_CORE_SPDY_TEST_UTILS_H_

#include <cstddef>
#include <cstdint>
#include <string>

#include "absl/strings/string_view.h"
#include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
#include "net/third_party/quiche/src/spdy/core/spdy_headers_handler_interface.h"
#include "net/third_party/quiche/src/spdy/core/spdy_protocol.h"
#include "net/third_party/quiche/src/spdy/platform/api/spdy_bug_tracker.h"

namespace spdy {

inline bool operator==(absl::string_view x,
                       const Http2HeaderBlock::ValueProxy& y) {
  return y.operator==(x);
}

namespace test {

std::string HexDumpWithMarks(const unsigned char* data,
                             int length,
                             const bool* marks,
                             int mark_length);

void CompareCharArraysWithHexError(const std::string& description,
                                   const unsigned char* actual,
                                   const int actual_len,
                                   const unsigned char* expected,
                                   const int expected_len);

void SetFrameFlags(SpdySerializedFrame* frame, uint8_t flags);

void SetFrameLength(SpdySerializedFrame* frame, size_t length);

// A test implementation of SpdyHeadersHandlerInterface that correctly
// reconstructs multiple header values for the same name.
class TestHeadersHandler : public SpdyHeadersHandlerInterface {
 public:
  TestHeadersHandler() {}
  TestHeadersHandler(const TestHeadersHandler&) = delete;
  TestHeadersHandler& operator=(const TestHeadersHandler&) = delete;

  void OnHeaderBlockStart() override;

  void OnHeader(absl::string_view name, absl::string_view value) override;

  void OnHeaderBlockEnd(size_t header_bytes_parsed,
                        size_t compressed_header_bytes_parsed) override;

  const Http2HeaderBlock& decoded_block() const { return block_; }
  size_t header_bytes_parsed() const { return header_bytes_parsed_; }
  size_t compressed_header_bytes_parsed() const {
    return compressed_header_bytes_parsed_;
  }

 private:
  Http2HeaderBlock block_;
  size_t header_bytes_parsed_ = 0;
  size_t compressed_header_bytes_parsed_ = 0;
};

}  // namespace test
}  // namespace spdy

#endif  // QUICHE_SPDY_CORE_SPDY_TEST_UTILS_H_