Function TEST

tensorflow/core/profiler/internal/traceme_recorder_test.cc:33–47

constexpr static uint64 kNanosInSec = 1000000000;

TEST(RecorderTest, SingleThreaded) {
  uint64 start_time = Env::Default()->NowNanos();
  uint64 end_time = start_time + kNanosInSec;

  TraceMeRecorder::Record({1, "before", start_time, end_time});
  TraceMeRecorder::Start(/*level=*/1);
  TraceMeRecorder::Record({2, "during1", start_time, end_time});
  TraceMeRecorder::Record({3, "during2", start_time, end_time});
  auto results = TraceMeRecorder::Stop();
  TraceMeRecorder::Record({4, "after", start_time, end_time});

  ASSERT_EQ(results.size(), 1);
  EXPECT_THAT(results[0].events,
              ::testing::ElementsAre(Named("during1"), Named("during2")));
}

void SpinNanos(int nanos) {
  uint64 deadline = Env::Default()->NowNanos() + nanos;