fake_clock_test.cpp

/**************************************************************************/
/*                                                                        */
/*                              WWIV Version 5.x                          */
/*               Copyright (C)2014-2022, WWIV Software Services           */
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/*    Licensed  under the  Apache License, Version  2.0 (the "License");  */
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/*                http://www.apache.org/licenses/LICENSE-2.0              */
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/*    software  distributed  under  the  License  is  distributed on an   */
/*    "AS IS"  BASIS, WITHOUT  WARRANTIES  OR  CONDITIONS OF ANY  KIND,   */
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/**************************************************************************/
#include "core/fake_clock.h"
#include "gtest/gtest.h"

using namespace std::chrono;
using namespace std::chrono_literals;
using namespace wwiv::core;

TEST(FakeClock, Simple) { 
  FakeClock c{DateTime::now()};
  const auto start = c.Now();
  c.tick(2s);
  const auto mid = c.Now();
  c.tick(3s);
  const auto end = c.Now();

  auto duration = duration_cast<seconds>(mid.to_system_clock() - start.to_system_clock());
  EXPECT_EQ(2s, duration);
  duration = duration_cast<seconds>(end.to_system_clock() - mid.to_system_clock());
  EXPECT_EQ(3s, duration);
}