// Copyright 2018 The Abseil Authors.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <cstddef>
#include <string>
#include "absl/time/internal/test_util.h"
#include "absl/time/time.h"
#include "benchmark/benchmark.h"
namespace {
namespace {
const char*
const kFormats[] = {
absl::RFC1123_full,
// 0
absl::RFC1123_no_wday,
// 1
absl::RFC3339_full,
// 2
absl::RFC3339_sec,
// 3
"%Y-%m-%d%ET%H:%M:%S",
// 4
"%Y-%m-%d",
// 5
};
const int kNumFormats =
sizeof(kFormats) /
sizeof(kFormats[0]);
}
// namespace
void BM_Format_FormatTime(benchmark::State& state) {
const std::string fmt = kFormats[state.range(0)];
state.SetLabel(fmt);
const absl::TimeZone lax =
absl::time_internal::LoadTimeZone(
"America/Los_Angeles");
const absl::Time t =
absl::FromCivil(absl::CivilSecond(1977, 6, 28, 9, 8, 7), lax) +
absl::Nanoseconds(1);
while (state.KeepRunning()) {
benchmark::DoNotOptimize(absl::FormatTime(fmt, t, lax).length());
}
}
BENCHMARK(BM_Format_FormatTime)->DenseRange(0, kNumFormats - 1);
void BM_Format_ParseTime(benchmark::State& state) {
const std::string fmt = kFormats[state.range(0)];
state.SetLabel(fmt);
const absl::TimeZone lax =
absl::time_internal::LoadTimeZone(
"America/Los_Angeles");
absl::Time t = absl::FromCivil(absl::CivilSecond(1977, 6, 28, 9, 8, 7), lax) +
absl::Nanoseconds(1);
const std::string when = absl::FormatTime(fmt, t, lax);
std::string err;
while (state.KeepRunning()) {
benchmark::DoNotOptimize(absl::ParseTime(fmt, when, lax, &t, &err));
}
}
BENCHMARK(BM_Format_ParseTime)->DenseRange(0, kNumFormats - 1);
}
// namespace
