blob: 1bb721e12faa6d9786fd23ed909e0c45949024e4 [file] [log] [blame]
// 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 "pw_perf_test/internal/timer.h"
#include "gtest/gtest.h"
namespace pw::perf_test::internal {
namespace {
TEST(TimerTest, DurationIsPositive) {
ASSERT_TRUE(TimerPrepare());
Timestamp start = GetCurrentTimestamp();
for (volatile int i = 0; i < 1000; i = i + 1) {
}
Timestamp end = GetCurrentTimestamp();
int64_t duration = GetDuration(start, end);
EXPECT_GT(duration, 0);
TimerCleanup();
}
} // namespace
} // namespace pw::perf_test::internal