File: test_xtime.cpp

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// Copyright (C) 2001-2003
// William E. Kempf
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  William E. Kempf makes no representations
// about the suitability of this software for any purpose.
// It is provided "as is" without express or implied warranty.

#include <boost/thread/detail/config.hpp>

#include <boost/thread/xtime.hpp>

#include <boost/test/unit_test.hpp>

void test_xtime_cmp()
{
    boost::xtime xt1, xt2, cur;
    BOOST_CHECK_EQUAL(
        boost::xtime_get(&cur, boost::TIME_UTC),
        static_cast<int>(boost::TIME_UTC));

    xt1 = xt2 = cur;
    xt1.nsec -= 1;
    xt2.nsec += 1;

    BOOST_CHECK(boost::xtime_cmp(xt1, cur) < 0);
    BOOST_CHECK(boost::xtime_cmp(xt2, cur) > 0);
    BOOST_CHECK(boost::xtime_cmp(cur, cur) == 0);

    xt1 = xt2 = cur;
    xt1.sec -= 1;
    xt2.sec += 1;

    BOOST_CHECK(boost::xtime_cmp(xt1, cur) < 0);
    BOOST_CHECK(boost::xtime_cmp(xt2, cur) > 0);
    BOOST_CHECK(boost::xtime_cmp(cur, cur) == 0);
}

void test_xtime_get()
{
    boost::xtime orig, cur, old;
    BOOST_CHECK_EQUAL(
        boost::xtime_get(&orig,
            boost::TIME_UTC), static_cast<int>(boost::TIME_UTC));
    old = orig;

    for (int x=0; x < 100; ++x)
    {
        BOOST_CHECK_EQUAL(
            boost::xtime_get(&cur, boost::TIME_UTC),
            static_cast<int>(boost::TIME_UTC));
        BOOST_CHECK(boost::xtime_cmp(cur, orig) >= 0);
        BOOST_CHECK(boost::xtime_cmp(cur, old) >= 0);
        old = cur;
    }
}

boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
{
    boost::unit_test_framework::test_suite* test =
        BOOST_TEST_SUITE("Boost.Threads: xtime test suite");

    test->add(BOOST_TEST_CASE(&test_xtime_cmp));
    test->add(BOOST_TEST_CASE(&test_xtime_get));

    return test;
}