setprecision.pass.cpp [plain text]
#include <iomanip>
#include <cassert>
template <class CharT>
struct testbuf
: public std::basic_streambuf<CharT>
{
testbuf() {}
};
int main()
{
{
testbuf<char> sb;
std::istream is(&sb);
is >> std::setprecision(10);
assert(is.precision() == 10);
}
{
testbuf<char> sb;
std::ostream os(&sb);
os << std::setprecision(10);
assert(os.precision() == 10);
}
{
testbuf<wchar_t> sb;
std::wistream is(&sb);
is >> std::setprecision(10);
assert(is.precision() == 10);
}
{
testbuf<wchar_t> sb;
std::wostream os(&sb);
os << std::setprecision(10);
assert(os.precision() == 10);
}
}