void test_empty(boost::basic_regex<charT, traits>& r)
{
if(!r.empty())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::empty().", charT);
}
if(r.size())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::size().", charT);
}
if(r.str().size())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::str().", charT);
}
if(r.begin() != r.end())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::begin().", charT);
}
if(r.status() == 0)
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::status().", charT);
}
if(r.begin() != r.end())
{
BOOST_REGEX_TEST_ERROR("Invalid value returned from basic_regex<>::begin().", charT);
}
}
void test(boost::basic_regex<charT, traits>& r, const test_regex_replace_tag&)
{
const std::basic_string<charT>& expression = test_info<charT>::expression();
boost::regex_constants::syntax_option_type syntax_options = test_info<charT>::syntax_options();
try{
r.assign(expression, syntax_options);
if(r.status())
{
BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done, error code = " << r.status(), charT);
}
test_regex_replace(r);
}
catch(const boost::bad_expression& e)
{
BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done: " << e.what(), charT);
}
catch(const std::runtime_error& r)
{
BOOST_REGEX_TEST_ERROR("Received an unexpected std::runtime_error: " << r.what(), charT);
}
catch(const std::exception& r)
{
BOOST_REGEX_TEST_ERROR("Received an unexpected std::exception: " << r.what(), charT);
}
catch(...)
{
BOOST_REGEX_TEST_ERROR("Received an unexpected exception of unknown type", charT);
}
}
void test(boost::basic_regex<charT, traits>& r, const test_invalid_regex_tag&)
{
const std::basic_string<charT>& expression = test_info<charT>::expression();
boost::regex_constants::syntax_option_type syntax_options = test_info<charT>::syntax_options();
//
// try it with exceptions disabled first:
//
try
{
if(0 == r.assign(expression, syntax_options | boost::regex_constants::no_except).status())
{
BOOST_REGEX_TEST_ERROR("Expression compiled when it should not have done so.", charT);
}
test_empty(r);
}
catch(...)
{
BOOST_REGEX_TEST_ERROR("Unexpected exception thrown.", charT);
}
//
// now try again with exceptions:
//
bool have_catch = false;
try{
r.assign(expression, syntax_options);
#ifdef BOOST_NO_EXCEPTIONS
if(r.status())
have_catch = true;
#endif
}
catch(const boost::bad_expression&)
{
have_catch = true;
test_empty(r);
}
catch(const std::runtime_error& r)
{
have_catch = true;
BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but a std::runtime_error instead: " << r.what(), charT);
}
catch(const std::exception& r)
{
have_catch = true;
BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but a std::exception instead: " << r.what(), charT);
}
catch(...)
{
have_catch = true;
BOOST_REGEX_TEST_ERROR("Expected a bad_expression exception, but got an exception of unknown type instead", charT);
}
if(!have_catch)
{
// oops expected exception was not thrown:
BOOST_REGEX_TEST_ERROR("Expected an exception, but didn't find one.", charT);
}
}