char_string.pass.cpp [plain text]
#include <string>
#include <cassert>
template <class S>
void
test0(typename S::value_type lhs, const S& rhs, const S& x)
{
assert(lhs + rhs == x);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class S>
void
test1(typename S::value_type lhs, S&& rhs, const S& x)
{
assert(lhs + move(rhs) == x);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
typedef std::string S;
int main()
{
test0('a', S(""), S("a"));
test0('a', S("12345"), S("a12345"));
test0('a', S("1234567890"), S("a1234567890"));
test0('a', S("12345678901234567890"), S("a12345678901234567890"));
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
test1('a', S(""), S("a"));
test1('a', S("12345"), S("a12345"));
test1('a', S("1234567890"), S("a1234567890"));
test1('a', S("12345678901234567890"), S("a12345678901234567890"));
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}