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+// 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
+//
+// http://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-%dT%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::FromDateTime(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::FromDateTime(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