source: trunk/test/data_weight_proxy_test.cc @ 1538

// $Id: data_weight_proxy_test.cc 1538 2008-09-27 04:27:55Z peter $

/*
  Copyright (C) 2008 Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 3 of the
  License, or (at your option) any later version.

  The yat library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include "Suite.h"

#include "yat/utility/DataWeight.h"
#include "yat/utility/DataWeightProxy.h"

namespace theplu {
namespace yat {
namespace test {
  class ProxyHolder
  {
  public:
    typedef utility::DataWeightProxy<double*, double*> Proxy;
    ProxyHolder(Proxy& proxy)
      : proxy_(proxy) {}

    inline Proxy get_copy(void) { return proxy_; }
    inline Proxy& operator()(void) { return proxy_; }
    inline const Proxy& operator()(void) const 
    { return proxy_; }
  private:
    Proxy& proxy_;
  };
}}}

using namespace theplu::yat;

int main( int argc, char* argv[])
{  
  test::Suite suite(argc, argv);
  suite.err() << "testing DataWeightProxy" << std::endl;

  using utility::DataWeight;

  typedef utility::DataWeightProxy<double*, double*> Proxy;

  double x=1.2;
  double w=3.14;
  DataWeight xw(x, w);
  Proxy proxy(&x,&w);
  if (xw != proxy) {
    suite.add(false);
  }
  if (proxy != xw) {
    suite.add(false);
  }

  suite.err() << "testing conversion to DataWeight\n";
  test::ProxyHolder holder(proxy);
  const test::ProxyHolder const_holder(proxy);
  
  xw = holder();
  xw = const_holder();

  if (holder() != holder()) {
    suite.add(false);
  }
  if (holder() != const_holder()) {
    suite.add(false);
  }

  suite.err() << "testing assignment\n";
  holder().data() = 1.0;
  suite.add(suite.equal(holder().data(), 1.0));
  holder().weight() = 1.0;
  suite.add(suite.equal(holder().weight(), 1.0));

  DataWeight xw2(3.14, 0.5);
  holder() = xw2;
  suite.add(suite.equal(holder().data(), 3.14));
  suite.add(suite.equal(holder().weight(), 0.5));

  DataWeight xw3;
  xw3 = const_holder();
  suite.add(suite.equal(xw3.data(), 3.14));
  suite.add(suite.equal(xw3.weight(), 0.5));

  DataWeight xw4(1.602, 1);
  holder.get_copy() = xw4;
  suite.add(suite.equal(holder().data(), 1.602));
  suite.add(suite.equal(holder().weight(), 1));

  return suite.return_value();
}