chrono/test/clock/clock_pass.cpp
2017-10-23 02:26:46 +02:00

202 lines
6.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Adaptation to Boost of the libcxx
// Copyright 2010 Vicente J. Botet Escriba
// Copyright (c) Microsoft Corporation 2014
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
#include <boost/type_traits/is_same.hpp>
#include <boost/chrono/chrono.hpp>
#include <boost/chrono/process_cpu_clocks.hpp>
#include <boost/chrono/thread_clock.hpp>
#include <boost/system/system_error.hpp>
#include <boost/detail/lightweight_test.hpp>
#if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
#define NOTHING ""
#endif
template <typename Clock>
void check_clock_invariants()
{
BOOST_CHRONO_STATIC_ASSERT((boost::is_same<typename Clock::rep, typename Clock::duration::rep>::value), NOTHING, ());
BOOST_CHRONO_STATIC_ASSERT((boost::is_same<typename Clock::period, typename Clock::duration::period>::value), NOTHING, ());
BOOST_CHRONO_STATIC_ASSERT((boost::is_same<typename Clock::duration, typename Clock::time_point::duration>::value), NOTHING, ());
BOOST_CHRONO_STATIC_ASSERT(Clock::is_steady || !Clock::is_steady, NOTHING, ());
// to be replaced by has static member bool is_steady
}
template <typename Clock>
void check_clock_now()
{
typename Clock::time_point t1 = Clock::now();
(void)t1;
}
#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
template <typename Clock>
void check_clock_now_ec()
{
boost::system::error_code ec;
typename Clock::time_point t1 = Clock::now(ec);
(void)t1;
BOOST_TEST(ec.value()==0);
}
template <typename Clock>
void check_clock_now_throws()
{
typename Clock::time_point t1 = Clock::now(boost::throws());
(void)t1;
}
#ifndef BOOST_NO_EXCEPTIONS
template <typename Clock>
void check_clock_now_err(int err)
{
Clock::set_errno(err);
try {
typename Clock::time_point t1 = Clock::now();
} catch (boost::system::system_error& ex) {
BOOST_TEST(ex.code().value()==err);
// BOOST_TEST(ex.code().category() == ::boost::system::system_category());
// BOOST_TEST(std::string(ex.what()) == std::string("errored_clock"));
}
Clock::set_errno(0);
}
#endif
template <typename Clock>
void check_clock_now_ec_err(int err)
{
Clock::set_errno(err);
boost::system::error_code ec;
typename Clock::time_point t1 = Clock::now(ec);
BOOST_TEST(ec.value()==err);
// BOOST_TEST(ec.category() == ::boost::system::system_category());
Clock::set_errno(0);
}
#ifndef BOOST_NO_EXCEPTIONS
template <typename Clock>
void check_clock_now_throws_err(int err)
{
Clock::set_errno(err);
try {
typename Clock::time_point t1 = Clock::now(boost::throws());
BOOST_TEST(0&&"exception not thown");
} catch (boost::system::system_error& ex) {
BOOST_TEST(ex.code().value()==err);
// BOOST_TEST(ex.code().category() == ::boost::system::system_category());
// BOOST_TEST(std::string(ex.what()) == std::string("errored_clock"));
}
Clock::set_errno(0);
}
#endif
#endif
int main()
{
check_clock_invariants<boost::chrono::high_resolution_clock>();
check_clock_now<boost::chrono::high_resolution_clock>();
#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
check_clock_invariants<boost::chrono::steady_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::steady_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::steady_clock>();
#endif
check_clock_invariants<boost::chrono::system_clock>();
BOOST_CHRONO_STATIC_ASSERT(!boost::chrono::system_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::system_clock>();
{
typedef boost::chrono::system_clock C;
C::time_point t1 = C::from_time_t(C::to_time_t(C::now()));
(void)t1;
}
{
typedef boost::chrono::system_clock C;
std::time_t t1 = C::to_time_t(C::now());
(void)t1;
}
{
BOOST_TEST((boost::chrono::system_clock::duration::min)() <
boost::chrono::system_clock::duration::zero());
}
#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
check_clock_invariants<boost::chrono::thread_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::thread_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::thread_clock>();
#endif
#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
check_clock_invariants<boost::chrono::process_real_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_real_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_real_cpu_clock>();
#if ! BOOST_OS_WINDOWS || BOOST_PLAT_WINDOWS_DESKTOP
check_clock_invariants<boost::chrono::process_user_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_user_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_user_cpu_clock>();
check_clock_invariants<boost::chrono::process_system_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_system_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_system_cpu_clock>();
check_clock_invariants<boost::chrono::process_cpu_clock>();
BOOST_CHRONO_STATIC_ASSERT(boost::chrono::process_cpu_clock::is_steady, NOTHING, ());
check_clock_now<boost::chrono::process_cpu_clock>();
#endif
#endif
#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
check_clock_now_ec<boost::chrono::high_resolution_clock>();
check_clock_now_throws<boost::chrono::high_resolution_clock>();
#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
check_clock_now_ec<boost::chrono::steady_clock>();
check_clock_now_throws<boost::chrono::steady_clock>();
#endif
check_clock_now_ec<boost::chrono::system_clock>();
check_clock_now_throws<boost::chrono::system_clock>();
#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
check_clock_now_ec<boost::chrono::thread_clock>();
check_clock_now_throws<boost::chrono::thread_clock>();
#endif
#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
check_clock_now_ec<boost::chrono::process_real_cpu_clock>();
check_clock_now_throws<boost::chrono::process_real_cpu_clock>();
#if ! BOOST_OS_WINDOWS || BOOST_PLAT_WINDOWS_DESKTOP
check_clock_now_ec<boost::chrono::process_user_cpu_clock>();
check_clock_now_throws<boost::chrono::process_user_cpu_clock>();
check_clock_now_ec<boost::chrono::process_system_cpu_clock>();
check_clock_now_throws<boost::chrono::process_system_cpu_clock>();
check_clock_now_ec<boost::chrono::process_cpu_clock>();
check_clock_now_throws<boost::chrono::process_cpu_clock>();
#endif
#endif
#endif
return boost::report_errors();
}