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#include "src/cpp/util/time.h"

#include <chrono>

#include <grpc/support/time.h>
#include <gtest/gtest.h>

using std::chrono::duration_cast;
using std::chrono::microseconds;
using std::chrono::system_clock;

namespace grpc {
namespace {

class TimeTest : public ::testing::Test {};

TEST_F(TimeTest, AbsolutePointTest) {
  long us = 10000000L;
  gpr_timespec ts = gpr_time_from_micros(us);
  system_clock::time_point tp{microseconds(us)};
  system_clock::time_point tp_converted = Timespec2Timepoint(ts);
  gpr_timespec ts_converted;
  Timepoint2Timespec(tp_converted, &ts_converted);
  EXPECT_TRUE(ts.tv_sec == ts_converted.tv_sec);
  EXPECT_TRUE(ts.tv_nsec == ts_converted.tv_nsec);
  system_clock::time_point tp_converted_2 = Timespec2Timepoint(ts_converted);
  EXPECT_TRUE(tp == tp_converted);
  EXPECT_TRUE(tp == tp_converted_2);
}

}  // namespace
}  // namespace grpc