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#include <locale>
#include <list>
#include <stdexcept>
namespace{
// trigger: use ctype<char>::widen to trigger ctype<char>::_M_widen_init().
// test: convert a char from narrow to wide and back. Verify that the result
// matches the original.
bool sanity_test_widen(char testchar)
{
const std::ctype<char>& test(std::use_facet< std::ctype<char> >(std::locale()));
return test.narrow(test.widen(testchar),'b') == testchar;
}
// trigger: use list::push_back and list::pop_back to trigger _M_hook and
// _M_unhook.
// test: Push a sequence of integers into a list. Pop them off and verify that
// they match the original sequence.
bool sanity_test_list(unsigned int size)
{
std::list<unsigned int> test;
for (unsigned int i = 0; i != size; ++i)
test.push_back(i+1);
if (test.size() != size)
return false;
while (!test.empty())
{
if(test.back() != test.size())
return false;
test.pop_back();
}
return true;
}
} // anon namespace
// trigger: string::at(x) on an empty string to trigger __throw_out_of_range_fmt.
// test: force std::string to throw an out_of_range exception. Verify that
// it's caught correctly.
bool sanity_test_range_fmt()
{
std::string test;
try
{
test.at(1);
}
catch (const std::out_of_range&)
{
return true;
}
catch (...){}
return false;
}
bool glibcxx_sanity_test()
{
return sanity_test_widen('a') && sanity_test_list(100) && sanity_test_range_fmt();
}
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