@Test
  public void testDefaultNanoTimer() {
    // All the other unit test methods of NanoTimer
    // inject TestTimeService into the NanoTimer.
    // This method verifies that the default constructor
    // works.
    final NanoTimer timer = new NanoTimer();
    timer.getConstructionTime();
    timer.getLastResetTime();
    timer.getTimeSinceConstruction();
    timer.getTimeSinceReset();
    timer.reset();
  }
Unit tests for NanoTimer.

@since GemFire 7.0
geode-core/src/test/java/org/apache/geode/internal/NanoTimerJUnitTest.java