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fbd6d5d792
pw_perf_test now has a backend for which it will use to time the tested components. This update includes an implementation with pw_chrono, which will be used for time-based measurements(nanoseconds). Change-Id: I9a1bb9cf0964caa4d911a1c7c016bab3a41f1e32 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/113890 Reviewed-by: Wyatt Hepler <hepler@google.com> Commit-Queue: Brian Barcenas <bbarcenas@google.com> Reviewed-by: Erik Gilling <konkers@google.com>
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// Copyright 2022 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include <chrono>
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#include "gtest/gtest.h"
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#include "pw_chrono/system_clock.h"
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#include "pw_perf_test/internal/chrono_timer_interface.h"
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#include "pw_thread/sleep.h"
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namespace pw::perf_test::internal::backend {
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namespace {
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constexpr chrono::SystemClock::duration kArbitraryDuration =
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chrono::SystemClock::for_at_least(std::chrono::milliseconds(2));
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TEST(ChronoTest, DurationIsReasonable) {
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Timestamp start = GetCurrentTimestamp();
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this_thread::sleep_for(kArbitraryDuration);
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Timestamp end = GetCurrentTimestamp();
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uint64_t duration = GetDuration(start, end);
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EXPECT_GE(duration, 2000000u);
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EXPECT_LE(duration, 20000000u);
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}
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} // namespace
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} // namespace pw::perf_test::internal::backend
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