| // Copyright 2022 The Pigweed 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 <chrono> |
| |
| #include "gtest/gtest.h" |
| #include "pw_chrono/system_clock.h" |
| #include "pw_perf_test/internal/chrono_timer_interface.h" |
| #include "pw_thread/sleep.h" |
| |
| namespace pw::perf_test::internal::backend { |
| namespace { |
| |
| constexpr chrono::SystemClock::duration kArbitraryDuration = |
| chrono::SystemClock::for_at_least(std::chrono::milliseconds(1)); |
| |
| TEST(ChronoTest, DurationIsReasonable) { |
| Timestamp start = GetCurrentTimestamp(); |
| this_thread::sleep_for(kArbitraryDuration); |
| Timestamp end = GetCurrentTimestamp(); |
| int64_t duration = GetDuration(start, end); |
| EXPECT_GE(duration, 1000000); |
| } |
| |
| } // namespace |
| } // namespace pw::perf_test::internal::backend |