@Test
  public void endPutIncrementsPutTime() {
    cachePerfStats.endPut(0, false);

    assertThat(statistics.getLong(putTimeId)).isEqualTo(CLOCK_TIME);
  }
Characterization test: Note that the only way to increment {@code putTime} is to invoke {@code
endPut}.
geode-core/src/test/java/org/apache/geode/internal/cache/CachePerfStatsTest.java