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33 lines
1.0 KiB
C++
33 lines
1.0 KiB
C++
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// 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 "pw_perf_test/internal/timer.h"
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#include "gtest/gtest.h"
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namespace pw::perf_test::internal {
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namespace {
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TEST(TimerTest, DurationIsPositive) {
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Timestamp start = GetCurrentTimestamp();
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for (volatile int i = 0; i < 1000; i = i + 1) {
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}
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Timestamp end = GetCurrentTimestamp();
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uint64_t duration = GetDuration(start, end);
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EXPECT_GT(duration, 0u);
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}
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} // namespace
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} // namespace pw::perf_test::internal
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