1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/time_measure_test.cc Sat Apr 12 20:38:51 2008 +0100
1.3 @@ -0,0 +1,63 @@
1.4 +/* -*- C++ -*-
1.5 + *
1.6 + * This file is a part of LEMON, a generic C++ optimization library
1.7 + *
1.8 + * Copyright (C) 2003-2008
1.9 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
1.10 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
1.11 + *
1.12 + * Permission to use, modify and distribute this software is granted
1.13 + * provided that this copyright notice appears in all copies. For
1.14 + * precise terms see the accompanying LICENSE file.
1.15 + *
1.16 + * This software is provided "AS IS" with no warranty of any kind,
1.17 + * express or implied, and with no claim as to its suitability for any
1.18 + * purpose.
1.19 + *
1.20 + */
1.21 +
1.22 +#include <lemon/time_measure.h>
1.23 +
1.24 +///\file \brief Test cases for time_measure.h
1.25 +///
1.26 +///\todo To be extended
1.27 +
1.28 +
1.29 +using namespace lemon;
1.30 +
1.31 +void f()
1.32 +{
1.33 + double d=0;
1.34 + for(int i=0;i<1000;i++)
1.35 + d+=0.1;
1.36 +}
1.37 +
1.38 +void g()
1.39 +{
1.40 + static Timer T;
1.41 +
1.42 + for(int i=0;i<1000;i++)
1.43 + TimeStamp x(T);
1.44 +}
1.45 +
1.46 +int main()
1.47 +{
1.48 + Timer T;
1.49 + unsigned int n;
1.50 + for(n=0;T.realTime()<1.0;n++) ;
1.51 + std::cout << T << " (" << n << " time queries)\n";
1.52 + T.restart();
1.53 + while(T.realTime()<2.0) ;
1.54 + std::cout << T << '\n';
1.55 + TimeStamp full;
1.56 + TimeStamp t;
1.57 + t=runningTimeTest(f,1,&n,&full);
1.58 + std::cout << t << " (" << n << " tests)\n";
1.59 + std::cout << "Total: " << full << "\n";
1.60 +
1.61 + t=runningTimeTest(g,1,&n,&full);
1.62 + std::cout << t << " (" << n << " tests)\n";
1.63 + std::cout << "Total: " << full << "\n";
1.64 +
1.65 + return 0;
1.66 +}