43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
// test_thread_clock.cpp ----------------------------------------------------------//
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// Copyright 2009 Vicente J. Botet Escriba
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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#include <boost/chrono/thread_clock.hpp>
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#include <boost/type_traits.hpp>
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#include <iostream>
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void test_thread_clock()
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{
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#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
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using namespace boost::chrono;
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std::cout << "thread_clock test" << std::endl;
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thread_clock::duration delay = milliseconds(5);
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thread_clock::time_point start = thread_clock::now();
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while (thread_clock::now() - start <= delay)
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;
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thread_clock::time_point stop = thread_clock::now();
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thread_clock::duration elapsed = stop - start;
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std::cout << "paused " << nanoseconds(elapsed).count() << " nanoseconds\n";
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start = thread_clock::now();
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stop = thread_clock::now();
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std::cout << "thread_clock resolution estimate: " << nanoseconds(stop-start).count() << " nanoseconds\n";
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#else
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std::cout << "thread_clock not available\n";
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#endif
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}
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int main()
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{
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test_thread_clock();
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return 0;
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}
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