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// -*- C++ -*-
// Copyright (C) 2005-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This 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, or (at your option) any later
// version.
// This 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 this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file rand_regression_test.hpp
* Contains a random-operation test.
*/
#ifndef PB_DS_ASSOC_RAND_REGRESSION_TEST_HPP
#define PB_DS_ASSOC_RAND_REGRESSION_TEST_HPP
#include <iostream>
#include <vector>
#include <regression/rand/assoc/container_rand_regression_test.h>
#include <io/verified_cmd_line_input.hpp>
#include <common_type/assoc/common_type.hpp>
#include <regression/basic_type.hpp>
#include <regression/common_type.hpp>
namespace __gnu_pbds
{
namespace test
{
namespace detail
{
#ifndef PB_DS_REGRESSION
#error "Must define PB_DS_REGRESSION"
#endif
struct rand_reg_test
{
public:
rand_reg_test(size_t seed, size_t n, size_t m, double tp, double ip,
double ep, double cp, double mp, bool d)
: m_sd(seed), m_n(n), m_m(m), m_tp(tp), m_ip(ip), m_ep(ep), m_cp(cp),
m_mp(mp), m_disp(d)
{
if (m_disp)
xml_test_rand_regression_formatter(seed, n, m, tp, ip, ep, cp, mp);
}
template<typename Cntnr>
void
operator()(Cntnr)
{
unsigned long ul = static_cast<unsigned long>(m_sd);
container_rand_regression_test<Cntnr> t(ul, m_n, m_n, m_tp, m_ip,
m_ep, m_cp, m_mp, m_disp);
t();
}
private:
const size_t m_sd;
const size_t m_n;
const size_t m_m;
const double m_tp;
const double m_ip;
const double m_ep;
const double m_cp;
const double m_mp;
const bool m_disp;
};
void
usage(const std::string& r_name);
void
verify_params(size_t&, size_t&, size_t&,
double&, double&, double&, double&, double&, bool&);
} // namespace detail
template<typename TL>
int
rand_regression_test(size_t iter, size_t keys, const std::string name, TL tl)
{
// Sane defaults.
size_t n = iter;
size_t m = keys;
size_t sd = twister_rand_gen::get_time_determined_seed();
double tp = 0.2;
double ip = 0.6;
double ep = 0.2;
double cp = 0.001;
double mp = 0.25;
bool disp = true; // show progress
try
{
detail::verify_params(sd, n, m, tp, ip, ep, cp, mp, disp);
}
catch(__gnu_pbds::test::illegal_input_error&)
{
detail::usage(name);
return -1;
}
catch(...)
{
return -2;
};
try
{
detail::rand_reg_test tst(sd, n, m, tp, ip, ep, cp, mp, disp);
__gnu_cxx::typelist::apply(tst, tl);
}
catch (...)
{
std::cerr << "Test failed with seed " << sd << std::endl;
throw;
}
return 0;
}
namespace detail
{
inline void
usage(const std::string& name)
{
using namespace std;
cerr << "usage: " << name
<< " <sd> <n> <m> <tp> <ip> <ep> <cp> <mp> ['t' | 'f']"
<< endl << endl;
cerr << "This test performs basic regression tests on various associative containers."
"For each container, it performs a sequence of operations. At each iteration, it does "
"the following: " << endl;
cerr << "* Performs an operation on the container " << endl;
cerr << "* Performs the same operation on an cntnr object" << endl;
cerr << "* Possibly compares the container to the cntnr object" << endl;
cerr << "* Checks that exceptions (thrown by an allocator) "
"do not violate exception guarantees";
cerr << endl << endl;
cerr << "sd = seed for random-number generator; "
"0 = time determined value" << endl;
cerr << "n = number of iterations" << endl;
cerr << "m = number of distinct values" << endl;
cerr << "tp = probability that an exception will be actively thrown" << endl;
cerr << "ip = probability that an operation will be insert" << endl;
cerr << "ep = probability that an operation will be erase" << endl;
cerr << "cp = probability that an operation will be clear" << endl;
cerr << "(therefore, 1 - (ip + ep + cp) = probability of any other operation)" << endl;
cerr << "mp = probability that the container will be compared to the cntnr object" << endl;
cerr << "'t' or 'f' determine whether progress will be displayed" << endl;
}
inline void
verify_params(size_t& r_seed, size_t& r_n,
size_t& r_m, double& r_tp, double& r_ip, double& r_ep,
double& r_cp, double& r_mp, bool& r_d)
{
verify_prob(r_tp);
verify_prob(r_ip);
verify_prob(r_ep);
verify_prob(r_cp);
verify_prob(r_mp);
verify_prob(r_ip + r_ep + r_cp);
}
} // namespace detail
} // namespace test
} // namespace __gnu_pbds
#endif
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