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path: root/kernel/src/test_support/log_buffer.cpp
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#include "kernel/tests/log_buffer.hpp"

#include <algorithm>
#include <string>
#include <vector>

namespace kernel::tests::log_buffer
{

  namespace
  {
    std::vector<std::string> recorded_messages{};
  }

  auto append(std::string const & message) -> void
  {
    recorded_messages.push_back(message);
  }

  auto clear() -> void
  {
    recorded_messages.clear();
  }

  auto flat_messages() -> std::string
  {
    return std::ranges::fold_left(recorded_messages, std::string{},
                                  [](std::string accumulator, std::string const & message) {
                                    accumulator += message;
                                    return accumulator;
                                  });
  }

  auto messages() -> std::vector<std::string> const &
  {
    return recorded_messages;
  }

}  // namespace kernel::tests::log_buffer