ZeroTierOne/ext/opentelemetry-cpp-1.21.0/sdk/test/common/base64_benchmark.cc

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

#include <string>

#include "opentelemetry/nostd/string_view.h"
#include "opentelemetry/sdk/common/base64.h"

#include "benchmark/benchmark.h"

namespace
{

static const unsigned char base64_test_dec[64] = {
    0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD, 0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01,
    0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09, 0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13,
    0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31, 0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38,
    0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B, 0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97};

static const unsigned char base64_test_enc_rfc_2045[] =
    "JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK"
    "swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";

void BM_Base64Escape(benchmark::State &state)
{
  while (state.KeepRunning())
  {
    benchmark::DoNotOptimize(
        opentelemetry::sdk::common::Base64Escape(opentelemetry::nostd::string_view{
            reinterpret_cast<const char *>(base64_test_dec), sizeof(base64_test_dec)}));
  }
}
BENCHMARK(BM_Base64Escape);

void BM_Base64Unescape(benchmark::State &state)
{
  std::string dest;
  while (state.KeepRunning())
  {
    benchmark::DoNotOptimize(opentelemetry::sdk::common::Base64Unescape(
        opentelemetry::nostd::string_view{reinterpret_cast<const char *>(base64_test_enc_rfc_2045),
                                          88},
        &dest));
  }
}
BENCHMARK(BM_Base64Unescape);

}  // namespace
BENCHMARK_MAIN();