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/* Header file for test programs.
Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
Copyright (C) 2010-2011 BUGSENG srl (http://bugseng.com)
This file is part of the Parma Watchdog Library (PWL).
The PWL 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 PWL 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 program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
For the most up-to-date information see the Parma Polyhedra Library
site: http://www.cs.unipr.it/ppl/ . */
#ifndef PWL_pwl_test_hh
#define PWL_pwl_test_hh 1
#include "pwl.hh"
#include <stdexcept>
#include <sstream>
#include <list>
#include <iterator>
#include <string>
#include <iostream>
#include <algorithm>
#include <typeinfo>
#include <cstdlib>
#ifndef NOISY
#define NOISY 0
#endif
#ifndef VERY_NOISY
#define VERY_NOISY 0
#endif
#define TRY try
#define CATCH \
catch (const std::overflow_error& e) { \
std::cerr << "arithmetic overflow (" << e.what() << ")" \
<< std::endl; \
exit(1); \
} \
catch (const std::exception& e) { \
std::cerr << "std::exception caught: " \
<< e.what() << " (type == " << typeid(e).name() << ")" \
<< std::endl; \
exit(1); \
}
#define BEGIN_MAIN \
int \
main() try { \
set_handlers(); \
bool succeeded = false; \
bool overflow = false; \
std::list<std::string> failed_tests;
#define END_MAIN \
if (failed_tests.empty()) \
return 0; \
else { \
std::cerr << "failed tests: "; \
std::copy(failed_tests.begin(), failed_tests.end(), \
std::ostream_iterator<std::string>(std::cerr, " ")); \
std::cerr << std::endl; \
return 1; \
} \
} \
catch (const std::overflow_error& e) { \
std::cerr << "arithmetic overflow (" << e.what() << ")" \
<< std::endl; \
exit(1); \
} \
catch (const std::exception& e) { \
std::cerr << "std::exception caught: " \
<< e.what() << " (type == " << typeid(e).name() << ")" \
<< std::endl; \
exit(1); \
}
#define ANNOUNCE_TEST(test) \
nout << "\n=== " #test " ===" << std::endl
#define RUN_TEST(test) \
try { \
overflow = false; \
succeeded = test(); \
} \
catch (const std::overflow_error& e) { \
nout << "arithmetic overflow (" << e.what() << ")" \
<< std::endl; \
overflow = true; \
succeeded = false; \
} \
catch (const std::exception& e) { \
nout << "std::exception caught: " \
<< e.what() << " (type == " << typeid(e).name() << ")" \
<< std::endl; \
succeeded = false; \
} \
catch (...) { \
nout << "unknown exception caught" \
<< std::endl; \
succeeded = false; \
}
#define DO_TEST(test) \
ANNOUNCE_TEST(test); \
RUN_TEST(test); \
/* dummy use to make gcc happy */ \
overflow = overflow; \
if (!succeeded) \
failed_tests.push_back(#test);
#define DO_TEST_F(test) \
ANNOUNCE_TEST(test); \
RUN_TEST(test); \
/* dummy use to make gcc happy */ \
overflow = overflow; \
if (succeeded) \
failed_tests.push_back(#test);
#define DO_TEST_OVERFLOW(test) \
ANNOUNCE_TEST(test); \
RUN_TEST(test); \
if (succeeded || !overflow) \
failed_tests.push_back(#test);
// Turn s into a string: PWL_TEST_STR(x + y) => "x + y".
#define PWL_TEST_STR(s) #s
// Turn the expansion of s into a string: PWL_TEST_XSTR(x) => "s expanded".
#define PWL_TEST_XSTR(s) PWL_TEST_STR(s)
namespace Parma_Watchdog_Library {
namespace Test {
static bool
check_noisy(const char*
#if PWL_HAVE_DECL_GETENV || NOISY || VERY_NOISY
environment_variable
#endif
) {
#if PWL_HAVE_DECL_GETENV
return getenv(environment_variable) != 0;
#else
#if NOISY
if (strcmp(environment_variable, "PWL_NOISY_TESTS") == 0)
return true;
#endif
#if VERY_NOISY
if (strcmp(environment_variable, "PWL_VERY_NOISY_TESTS") == 0)
return true;
#endif
return false;
#endif
}
template<typename CharT, typename Traits = std::char_traits<CharT> >
class nullbuf : public std::basic_streambuf<CharT, Traits> {
protected:
virtual typename Traits::int_type overflow(typename Traits::int_type c) {
return Traits::not_eof(c);
}
};
template <class CharT, class Traits = std::char_traits<CharT> >
class noisy_ostream : public std::basic_ostream<CharT, Traits> {
private:
nullbuf<CharT, Traits> black_hole;
public:
noisy_ostream(const std::basic_ostream<CharT, Traits>& os,
const char* environment_variable)
: std::basic_ostream<CharT, Traits>(check_noisy(environment_variable)
? os.rdbuf()
: &black_hole) {
}
};
static noisy_ostream<char> nout(std::cout, "PWL_NOISY_TESTS");
static noisy_ostream<char> vnout(std::cout, "PWL_VERY_NOISY_TESTS");
void
set_handlers();
} // namespace Test
} // namespace Parma_Watchdog_Library
// These using directive and declaration are just to avoid the
// corresponding namespace qualifications in all the tests.
using namespace Parma_Watchdog_Library;
using namespace Parma_Watchdog_Library::Test;
using std::endl;
#endif // !defined(PWL_pwl_test_hh)
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