src/cppcache/test/NanoTimerTest.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 *
 *      http://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
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 */

#include <gtest/gtest.h>

#include <NanoTimer.hpp>

using namespace apache::geode::client;

TEST(NanoTimerTest, ValidateSleep) {
  const int64_t before = NanoTimer::now();
  NanoTimer::sleep(3000000UL /* nano-seconds */);
  const int64_t after = NanoTimer::now();
  EXPECT_LE(3000000L /* nano-seconds */, (after - before))
      << "Slept at least three milli-seconds";
}