blob: 29b00ec55b9f836b8854fc270921ee51ef88b771 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// basic_string<charT,traits,Allocator>&
// insert(size_type pos, const charT* s, size_type n);
#include <string>
#include <stdexcept>
#include <cassert>
#include "min_allocator.h"
template <class S>
void
test(S s, typename S::size_type pos, const typename S::value_type* str,
typename S::size_type n, S expected)
{
typename S::size_type old_size = s.size();
S s0 = s;
try
{
s.insert(pos, str, n);
assert(s.__invariants());
assert(pos <= old_size);
assert(s == expected);
}
catch (std::out_of_range&)
{
assert(pos > old_size);
assert(s == s0);
}
}
int main()
{
{
typedef std::string S;
test(S(""), 0, "", 0, S(""));
test(S(""), 0, "12345", 0, S(""));
test(S(""), 0, "12345", 1, S("1"));
test(S(""), 0, "12345", 2, S("12"));
test(S(""), 0, "12345", 4, S("1234"));
test(S(""), 0, "12345", 5, S("12345"));
test(S(""), 0, "1234567890", 0, S(""));
test(S(""), 0, "1234567890", 1, S("1"));
test(S(""), 0, "1234567890", 5, S("12345"));
test(S(""), 0, "1234567890", 9, S("123456789"));
test(S(""), 0, "1234567890", 10, S("1234567890"));
test(S(""), 0, "12345678901234567890", 0, S(""));
test(S(""), 0, "12345678901234567890", 1, S("1"));
test(S(""), 0, "12345678901234567890", 10, S("1234567890"));
test(S(""), 0, "12345678901234567890", 19, S("1234567890123456789"));
test(S(""), 0, "12345678901234567890", 20, S("12345678901234567890"));
test(S(""), 1, "", 0, S("can't happen"));
test(S(""), 1, "12345", 0, S("can't happen"));
test(S(""), 1, "12345", 1, S("can't happen"));
test(S(""), 1, "12345", 2, S("can't happen"));
test(S(""), 1, "12345", 4, S("can't happen"));
test(S(""), 1, "12345", 5, S("can't happen"));
test(S(""), 1, "1234567890", 0, S("can't happen"));
test(S(""), 1, "1234567890", 1, S("can't happen"));
test(S(""), 1, "1234567890", 5, S("can't happen"));
test(S(""), 1, "1234567890", 9, S("can't happen"));
test(S(""), 1, "1234567890", 10, S("can't happen"));
test(S(""), 1, "12345678901234567890", 0, S("can't happen"));
test(S(""), 1, "12345678901234567890", 1, S("can't happen"));
test(S(""), 1, "12345678901234567890", 10, S("can't happen"));
test(S(""), 1, "12345678901234567890", 19, S("can't happen"));
test(S(""), 1, "12345678901234567890", 20, S("can't happen"));
test(S("abcde"), 0, "", 0, S("abcde"));
test(S("abcde"), 0, "12345", 0, S("abcde"));
test(S("abcde"), 0, "12345", 1, S("1abcde"));
test(S("abcde"), 0, "12345", 2, S("12abcde"));
test(S("abcde"), 0, "12345", 4, S("1234abcde"));
test(S("abcde"), 0, "12345", 5, S("12345abcde"));
test(S("abcde"), 0, "1234567890", 0, S("abcde"));
test(S("abcde"), 0, "1234567890", 1, S("1abcde"));
test(S("abcde"), 0, "1234567890", 5, S("12345abcde"));
test(S("abcde"), 0, "1234567890", 9, S("123456789abcde"));
test(S("abcde"), 0, "1234567890", 10, S("1234567890abcde"));
test(S("abcde"), 0, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 0, "12345678901234567890", 1, S("1abcde"));
test(S("abcde"), 0, "12345678901234567890", 10, S("1234567890abcde"));
test(S("abcde"), 0, "12345678901234567890", 19, S("1234567890123456789abcde"));
test(S("abcde"), 0, "12345678901234567890", 20, S("12345678901234567890abcde"));
test(S("abcde"), 1, "", 0, S("abcde"));
test(S("abcde"), 1, "12345", 0, S("abcde"));
test(S("abcde"), 1, "12345", 1, S("a1bcde"));
test(S("abcde"), 1, "12345", 2, S("a12bcde"));
test(S("abcde"), 1, "12345", 4, S("a1234bcde"));
test(S("abcde"), 1, "12345", 5, S("a12345bcde"));
test(S("abcde"), 1, "1234567890", 0, S("abcde"));
test(S("abcde"), 1, "1234567890", 1, S("a1bcde"));
test(S("abcde"), 1, "1234567890", 5, S("a12345bcde"));
test(S("abcde"), 1, "1234567890", 9, S("a123456789bcde"));
test(S("abcde"), 1, "1234567890", 10, S("a1234567890bcde"));
test(S("abcde"), 1, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 1, "12345678901234567890", 1, S("a1bcde"));
test(S("abcde"), 1, "12345678901234567890", 10, S("a1234567890bcde"));
test(S("abcde"), 1, "12345678901234567890", 19, S("a1234567890123456789bcde"));
test(S("abcde"), 1, "12345678901234567890", 20, S("a12345678901234567890bcde"));
test(S("abcde"), 2, "", 0, S("abcde"));
test(S("abcde"), 2, "12345", 0, S("abcde"));
test(S("abcde"), 2, "12345", 1, S("ab1cde"));
test(S("abcde"), 2, "12345", 2, S("ab12cde"));
test(S("abcde"), 2, "12345", 4, S("ab1234cde"));
test(S("abcde"), 2, "12345", 5, S("ab12345cde"));
test(S("abcde"), 2, "1234567890", 0, S("abcde"));
test(S("abcde"), 2, "1234567890", 1, S("ab1cde"));
test(S("abcde"), 2, "1234567890", 5, S("ab12345cde"));
test(S("abcde"), 2, "1234567890", 9, S("ab123456789cde"));
test(S("abcde"), 2, "1234567890", 10, S("ab1234567890cde"));
test(S("abcde"), 2, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 2, "12345678901234567890", 1, S("ab1cde"));
test(S("abcde"), 2, "12345678901234567890", 10, S("ab1234567890cde"));
test(S("abcde"), 2, "12345678901234567890", 19, S("ab1234567890123456789cde"));
test(S("abcde"), 2, "12345678901234567890", 20, S("ab12345678901234567890cde"));
test(S("abcde"), 4, "", 0, S("abcde"));
test(S("abcde"), 4, "12345", 0, S("abcde"));
test(S("abcde"), 4, "12345", 1, S("abcd1e"));
test(S("abcde"), 4, "12345", 2, S("abcd12e"));
test(S("abcde"), 4, "12345", 4, S("abcd1234e"));
test(S("abcde"), 4, "12345", 5, S("abcd12345e"));
test(S("abcde"), 4, "1234567890", 0, S("abcde"));
test(S("abcde"), 4, "1234567890", 1, S("abcd1e"));
test(S("abcde"), 4, "1234567890", 5, S("abcd12345e"));
test(S("abcde"), 4, "1234567890", 9, S("abcd123456789e"));
test(S("abcde"), 4, "1234567890", 10, S("abcd1234567890e"));
test(S("abcde"), 4, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 4, "12345678901234567890", 1, S("abcd1e"));
test(S("abcde"), 4, "12345678901234567890", 10, S("abcd1234567890e"));
test(S("abcde"), 4, "12345678901234567890", 19, S("abcd1234567890123456789e"));
test(S("abcde"), 4, "12345678901234567890", 20, S("abcd12345678901234567890e"));
test(S("abcde"), 5, "", 0, S("abcde"));
test(S("abcde"), 5, "12345", 0, S("abcde"));
test(S("abcde"), 5, "12345", 1, S("abcde1"));
test(S("abcde"), 5, "12345", 2, S("abcde12"));
test(S("abcde"), 5, "12345", 4, S("abcde1234"));
test(S("abcde"), 5, "12345", 5, S("abcde12345"));
test(S("abcde"), 5, "1234567890", 0, S("abcde"));
test(S("abcde"), 5, "1234567890", 1, S("abcde1"));
test(S("abcde"), 5, "1234567890", 5, S("abcde12345"));
test(S("abcde"), 5, "1234567890", 9, S("abcde123456789"));
test(S("abcde"), 5, "1234567890", 10, S("abcde1234567890"));
test(S("abcde"), 5, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 5, "12345678901234567890", 1, S("abcde1"));
test(S("abcde"), 5, "12345678901234567890", 10, S("abcde1234567890"));
test(S("abcde"), 5, "12345678901234567890", 19, S("abcde1234567890123456789"));
test(S("abcde"), 5, "12345678901234567890", 20, S("abcde12345678901234567890"));
test(S("abcde"), 6, "", 0, S("can't happen"));
test(S("abcde"), 6, "12345", 0, S("can't happen"));
test(S("abcde"), 6, "12345", 1, S("can't happen"));
test(S("abcde"), 6, "12345", 2, S("can't happen"));
test(S("abcde"), 6, "12345", 4, S("can't happen"));
test(S("abcde"), 6, "12345", 5, S("can't happen"));
test(S("abcde"), 6, "1234567890", 0, S("can't happen"));
test(S("abcde"), 6, "1234567890", 1, S("can't happen"));
test(S("abcde"), 6, "1234567890", 5, S("can't happen"));
test(S("abcde"), 6, "1234567890", 9, S("can't happen"));
test(S("abcde"), 6, "1234567890", 10, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 0, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 1, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 10, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 19, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 20, S("can't happen"));
test(S("abcdefghij"), 0, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "12345", 1, S("1abcdefghij"));
test(S("abcdefghij"), 0, "12345", 2, S("12abcdefghij"));
test(S("abcdefghij"), 0, "12345", 4, S("1234abcdefghij"));
test(S("abcdefghij"), 0, "12345", 5, S("12345abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 1, S("1abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 5, S("12345abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 9, S("123456789abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 10, S("1234567890abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 1, S("1abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 10, S("1234567890abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghij"));
test(S("abcdefghij"), 1, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "12345", 1, S("a1bcdefghij"));
test(S("abcdefghij"), 1, "12345", 2, S("a12bcdefghij"));
test(S("abcdefghij"), 1, "12345", 4, S("a1234bcdefghij"));
test(S("abcdefghij"), 1, "12345", 5, S("a12345bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 1, S("a1bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 5, S("a12345bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 9, S("a123456789bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 10, S("a1234567890bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 1, S("a1bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 10, S("a1234567890bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghij"));
test(S("abcdefghij"), 5, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "12345", 1, S("abcde1fghij"));
test(S("abcdefghij"), 5, "12345", 2, S("abcde12fghij"));
test(S("abcdefghij"), 5, "12345", 4, S("abcde1234fghij"));
test(S("abcdefghij"), 5, "12345", 5, S("abcde12345fghij"));
test(S("abcdefghij"), 5, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "1234567890", 1, S("abcde1fghij"));
test(S("abcdefghij"), 5, "1234567890", 5, S("abcde12345fghij"));
test(S("abcdefghij"), 5, "1234567890", 9, S("abcde123456789fghij"));
test(S("abcdefghij"), 5, "1234567890", 10, S("abcde1234567890fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 1, S("abcde1fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 10, S("abcde1234567890fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 19, S("abcde1234567890123456789fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 20, S("abcde12345678901234567890fghij"));
test(S("abcdefghij"), 9, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "12345", 1, S("abcdefghi1j"));
test(S("abcdefghij"), 9, "12345", 2, S("abcdefghi12j"));
test(S("abcdefghij"), 9, "12345", 4, S("abcdefghi1234j"));
test(S("abcdefghij"), 9, "12345", 5, S("abcdefghi12345j"));
test(S("abcdefghij"), 9, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "1234567890", 1, S("abcdefghi1j"));
test(S("abcdefghij"), 9, "1234567890", 5, S("abcdefghi12345j"));
test(S("abcdefghij"), 9, "1234567890", 9, S("abcdefghi123456789j"));
test(S("abcdefghij"), 9, "1234567890", 10, S("abcdefghi1234567890j"));
test(S("abcdefghij"), 9, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "12345678901234567890", 1, S("abcdefghi1j"));
test(S("abcdefghij"), 9, "12345678901234567890", 10, S("abcdefghi1234567890j"));
test(S("abcdefghij"), 9, "12345678901234567890", 19, S("abcdefghi1234567890123456789j"));
test(S("abcdefghij"), 9, "12345678901234567890", 20, S("abcdefghi12345678901234567890j"));
test(S("abcdefghij"), 10, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "12345", 1, S("abcdefghij1"));
test(S("abcdefghij"), 10, "12345", 2, S("abcdefghij12"));
test(S("abcdefghij"), 10, "12345", 4, S("abcdefghij1234"));
test(S("abcdefghij"), 10, "12345", 5, S("abcdefghij12345"));
test(S("abcdefghij"), 10, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "1234567890", 1, S("abcdefghij1"));
test(S("abcdefghij"), 10, "1234567890", 5, S("abcdefghij12345"));
test(S("abcdefghij"), 10, "1234567890", 9, S("abcdefghij123456789"));
test(S("abcdefghij"), 10, "1234567890", 10, S("abcdefghij1234567890"));
test(S("abcdefghij"), 10, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "12345678901234567890", 1, S("abcdefghij1"));
test(S("abcdefghij"), 10, "12345678901234567890", 10, S("abcdefghij1234567890"));
test(S("abcdefghij"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
test(S("abcdefghij"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
test(S("abcdefghij"), 11, "", 0, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 0, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 1, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 2, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 4, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 5, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 0, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 1, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 5, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 9, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 10, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 0, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 1, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 10, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 19, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 20, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 0, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 1, S("1abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 2, S("12abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 4, S("1234abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 5, S("12345abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 1, S("1abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 5, S("12345abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 9, S("123456789abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 10, S("1234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 1, S("1abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 10, S("1234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 1, S("a1bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 2, S("a12bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 4, S("a1234bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 5, S("a12345bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 1, S("a1bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 5, S("a12345bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 9, S("a123456789bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 1, S("a1bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 1, S("abcdefghij1klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 2, S("abcdefghij12klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 4, S("abcdefghij1234klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 5, S("abcdefghij12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 1, S("abcdefghij1klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 5, S("abcdefghij12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 9, S("abcdefghij123456789klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 10, S("abcdefghij1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 1, S("abcdefghij1klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 10, S("abcdefghij1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 1, S("abcdefghijklmnopqrs1t"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 2, S("abcdefghijklmnopqrs12t"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 4, S("abcdefghijklmnopqrs1234t"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 5, S("abcdefghijklmnopqrs12345t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 1, S("abcdefghijklmnopqrs1t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 5, S("abcdefghijklmnopqrs12345t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 9, S("abcdefghijklmnopqrs123456789t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 1, S("abcdefghijklmnopqrs1t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890t"));
test(S("abcdefghijklmnopqrst"), 20, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 1, S("abcdefghijklmnopqrst1"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 2, S("abcdefghijklmnopqrst12"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 4, S("abcdefghijklmnopqrst1234"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 5, S("abcdefghijklmnopqrst12345"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 1, S("abcdefghijklmnopqrst1"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 21, "", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 1, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 2, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 4, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 5, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 1, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 5, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 9, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 10, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 1, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 10, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 19, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 20, S("can't happen"));
}
#if __cplusplus >= 201103L
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S(""), 0, "", 0, S(""));
test(S(""), 0, "12345", 0, S(""));
test(S(""), 0, "12345", 1, S("1"));
test(S(""), 0, "12345", 2, S("12"));
test(S(""), 0, "12345", 4, S("1234"));
test(S(""), 0, "12345", 5, S("12345"));
test(S(""), 0, "1234567890", 0, S(""));
test(S(""), 0, "1234567890", 1, S("1"));
test(S(""), 0, "1234567890", 5, S("12345"));
test(S(""), 0, "1234567890", 9, S("123456789"));
test(S(""), 0, "1234567890", 10, S("1234567890"));
test(S(""), 0, "12345678901234567890", 0, S(""));
test(S(""), 0, "12345678901234567890", 1, S("1"));
test(S(""), 0, "12345678901234567890", 10, S("1234567890"));
test(S(""), 0, "12345678901234567890", 19, S("1234567890123456789"));
test(S(""), 0, "12345678901234567890", 20, S("12345678901234567890"));
test(S(""), 1, "", 0, S("can't happen"));
test(S(""), 1, "12345", 0, S("can't happen"));
test(S(""), 1, "12345", 1, S("can't happen"));
test(S(""), 1, "12345", 2, S("can't happen"));
test(S(""), 1, "12345", 4, S("can't happen"));
test(S(""), 1, "12345", 5, S("can't happen"));
test(S(""), 1, "1234567890", 0, S("can't happen"));
test(S(""), 1, "1234567890", 1, S("can't happen"));
test(S(""), 1, "1234567890", 5, S("can't happen"));
test(S(""), 1, "1234567890", 9, S("can't happen"));
test(S(""), 1, "1234567890", 10, S("can't happen"));
test(S(""), 1, "12345678901234567890", 0, S("can't happen"));
test(S(""), 1, "12345678901234567890", 1, S("can't happen"));
test(S(""), 1, "12345678901234567890", 10, S("can't happen"));
test(S(""), 1, "12345678901234567890", 19, S("can't happen"));
test(S(""), 1, "12345678901234567890", 20, S("can't happen"));
test(S("abcde"), 0, "", 0, S("abcde"));
test(S("abcde"), 0, "12345", 0, S("abcde"));
test(S("abcde"), 0, "12345", 1, S("1abcde"));
test(S("abcde"), 0, "12345", 2, S("12abcde"));
test(S("abcde"), 0, "12345", 4, S("1234abcde"));
test(S("abcde"), 0, "12345", 5, S("12345abcde"));
test(S("abcde"), 0, "1234567890", 0, S("abcde"));
test(S("abcde"), 0, "1234567890", 1, S("1abcde"));
test(S("abcde"), 0, "1234567890", 5, S("12345abcde"));
test(S("abcde"), 0, "1234567890", 9, S("123456789abcde"));
test(S("abcde"), 0, "1234567890", 10, S("1234567890abcde"));
test(S("abcde"), 0, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 0, "12345678901234567890", 1, S("1abcde"));
test(S("abcde"), 0, "12345678901234567890", 10, S("1234567890abcde"));
test(S("abcde"), 0, "12345678901234567890", 19, S("1234567890123456789abcde"));
test(S("abcde"), 0, "12345678901234567890", 20, S("12345678901234567890abcde"));
test(S("abcde"), 1, "", 0, S("abcde"));
test(S("abcde"), 1, "12345", 0, S("abcde"));
test(S("abcde"), 1, "12345", 1, S("a1bcde"));
test(S("abcde"), 1, "12345", 2, S("a12bcde"));
test(S("abcde"), 1, "12345", 4, S("a1234bcde"));
test(S("abcde"), 1, "12345", 5, S("a12345bcde"));
test(S("abcde"), 1, "1234567890", 0, S("abcde"));
test(S("abcde"), 1, "1234567890", 1, S("a1bcde"));
test(S("abcde"), 1, "1234567890", 5, S("a12345bcde"));
test(S("abcde"), 1, "1234567890", 9, S("a123456789bcde"));
test(S("abcde"), 1, "1234567890", 10, S("a1234567890bcde"));
test(S("abcde"), 1, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 1, "12345678901234567890", 1, S("a1bcde"));
test(S("abcde"), 1, "12345678901234567890", 10, S("a1234567890bcde"));
test(S("abcde"), 1, "12345678901234567890", 19, S("a1234567890123456789bcde"));
test(S("abcde"), 1, "12345678901234567890", 20, S("a12345678901234567890bcde"));
test(S("abcde"), 2, "", 0, S("abcde"));
test(S("abcde"), 2, "12345", 0, S("abcde"));
test(S("abcde"), 2, "12345", 1, S("ab1cde"));
test(S("abcde"), 2, "12345", 2, S("ab12cde"));
test(S("abcde"), 2, "12345", 4, S("ab1234cde"));
test(S("abcde"), 2, "12345", 5, S("ab12345cde"));
test(S("abcde"), 2, "1234567890", 0, S("abcde"));
test(S("abcde"), 2, "1234567890", 1, S("ab1cde"));
test(S("abcde"), 2, "1234567890", 5, S("ab12345cde"));
test(S("abcde"), 2, "1234567890", 9, S("ab123456789cde"));
test(S("abcde"), 2, "1234567890", 10, S("ab1234567890cde"));
test(S("abcde"), 2, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 2, "12345678901234567890", 1, S("ab1cde"));
test(S("abcde"), 2, "12345678901234567890", 10, S("ab1234567890cde"));
test(S("abcde"), 2, "12345678901234567890", 19, S("ab1234567890123456789cde"));
test(S("abcde"), 2, "12345678901234567890", 20, S("ab12345678901234567890cde"));
test(S("abcde"), 4, "", 0, S("abcde"));
test(S("abcde"), 4, "12345", 0, S("abcde"));
test(S("abcde"), 4, "12345", 1, S("abcd1e"));
test(S("abcde"), 4, "12345", 2, S("abcd12e"));
test(S("abcde"), 4, "12345", 4, S("abcd1234e"));
test(S("abcde"), 4, "12345", 5, S("abcd12345e"));
test(S("abcde"), 4, "1234567890", 0, S("abcde"));
test(S("abcde"), 4, "1234567890", 1, S("abcd1e"));
test(S("abcde"), 4, "1234567890", 5, S("abcd12345e"));
test(S("abcde"), 4, "1234567890", 9, S("abcd123456789e"));
test(S("abcde"), 4, "1234567890", 10, S("abcd1234567890e"));
test(S("abcde"), 4, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 4, "12345678901234567890", 1, S("abcd1e"));
test(S("abcde"), 4, "12345678901234567890", 10, S("abcd1234567890e"));
test(S("abcde"), 4, "12345678901234567890", 19, S("abcd1234567890123456789e"));
test(S("abcde"), 4, "12345678901234567890", 20, S("abcd12345678901234567890e"));
test(S("abcde"), 5, "", 0, S("abcde"));
test(S("abcde"), 5, "12345", 0, S("abcde"));
test(S("abcde"), 5, "12345", 1, S("abcde1"));
test(S("abcde"), 5, "12345", 2, S("abcde12"));
test(S("abcde"), 5, "12345", 4, S("abcde1234"));
test(S("abcde"), 5, "12345", 5, S("abcde12345"));
test(S("abcde"), 5, "1234567890", 0, S("abcde"));
test(S("abcde"), 5, "1234567890", 1, S("abcde1"));
test(S("abcde"), 5, "1234567890", 5, S("abcde12345"));
test(S("abcde"), 5, "1234567890", 9, S("abcde123456789"));
test(S("abcde"), 5, "1234567890", 10, S("abcde1234567890"));
test(S("abcde"), 5, "12345678901234567890", 0, S("abcde"));
test(S("abcde"), 5, "12345678901234567890", 1, S("abcde1"));
test(S("abcde"), 5, "12345678901234567890", 10, S("abcde1234567890"));
test(S("abcde"), 5, "12345678901234567890", 19, S("abcde1234567890123456789"));
test(S("abcde"), 5, "12345678901234567890", 20, S("abcde12345678901234567890"));
test(S("abcde"), 6, "", 0, S("can't happen"));
test(S("abcde"), 6, "12345", 0, S("can't happen"));
test(S("abcde"), 6, "12345", 1, S("can't happen"));
test(S("abcde"), 6, "12345", 2, S("can't happen"));
test(S("abcde"), 6, "12345", 4, S("can't happen"));
test(S("abcde"), 6, "12345", 5, S("can't happen"));
test(S("abcde"), 6, "1234567890", 0, S("can't happen"));
test(S("abcde"), 6, "1234567890", 1, S("can't happen"));
test(S("abcde"), 6, "1234567890", 5, S("can't happen"));
test(S("abcde"), 6, "1234567890", 9, S("can't happen"));
test(S("abcde"), 6, "1234567890", 10, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 0, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 1, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 10, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 19, S("can't happen"));
test(S("abcde"), 6, "12345678901234567890", 20, S("can't happen"));
test(S("abcdefghij"), 0, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "12345", 1, S("1abcdefghij"));
test(S("abcdefghij"), 0, "12345", 2, S("12abcdefghij"));
test(S("abcdefghij"), 0, "12345", 4, S("1234abcdefghij"));
test(S("abcdefghij"), 0, "12345", 5, S("12345abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 1, S("1abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 5, S("12345abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 9, S("123456789abcdefghij"));
test(S("abcdefghij"), 0, "1234567890", 10, S("1234567890abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 1, S("1abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 10, S("1234567890abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghij"));
test(S("abcdefghij"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghij"));
test(S("abcdefghij"), 1, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "12345", 1, S("a1bcdefghij"));
test(S("abcdefghij"), 1, "12345", 2, S("a12bcdefghij"));
test(S("abcdefghij"), 1, "12345", 4, S("a1234bcdefghij"));
test(S("abcdefghij"), 1, "12345", 5, S("a12345bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 1, S("a1bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 5, S("a12345bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 9, S("a123456789bcdefghij"));
test(S("abcdefghij"), 1, "1234567890", 10, S("a1234567890bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 1, S("a1bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 10, S("a1234567890bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghij"));
test(S("abcdefghij"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghij"));
test(S("abcdefghij"), 5, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "12345", 1, S("abcde1fghij"));
test(S("abcdefghij"), 5, "12345", 2, S("abcde12fghij"));
test(S("abcdefghij"), 5, "12345", 4, S("abcde1234fghij"));
test(S("abcdefghij"), 5, "12345", 5, S("abcde12345fghij"));
test(S("abcdefghij"), 5, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "1234567890", 1, S("abcde1fghij"));
test(S("abcdefghij"), 5, "1234567890", 5, S("abcde12345fghij"));
test(S("abcdefghij"), 5, "1234567890", 9, S("abcde123456789fghij"));
test(S("abcdefghij"), 5, "1234567890", 10, S("abcde1234567890fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 1, S("abcde1fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 10, S("abcde1234567890fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 19, S("abcde1234567890123456789fghij"));
test(S("abcdefghij"), 5, "12345678901234567890", 20, S("abcde12345678901234567890fghij"));
test(S("abcdefghij"), 9, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "12345", 1, S("abcdefghi1j"));
test(S("abcdefghij"), 9, "12345", 2, S("abcdefghi12j"));
test(S("abcdefghij"), 9, "12345", 4, S("abcdefghi1234j"));
test(S("abcdefghij"), 9, "12345", 5, S("abcdefghi12345j"));
test(S("abcdefghij"), 9, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "1234567890", 1, S("abcdefghi1j"));
test(S("abcdefghij"), 9, "1234567890", 5, S("abcdefghi12345j"));
test(S("abcdefghij"), 9, "1234567890", 9, S("abcdefghi123456789j"));
test(S("abcdefghij"), 9, "1234567890", 10, S("abcdefghi1234567890j"));
test(S("abcdefghij"), 9, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 9, "12345678901234567890", 1, S("abcdefghi1j"));
test(S("abcdefghij"), 9, "12345678901234567890", 10, S("abcdefghi1234567890j"));
test(S("abcdefghij"), 9, "12345678901234567890", 19, S("abcdefghi1234567890123456789j"));
test(S("abcdefghij"), 9, "12345678901234567890", 20, S("abcdefghi12345678901234567890j"));
test(S("abcdefghij"), 10, "", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "12345", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "12345", 1, S("abcdefghij1"));
test(S("abcdefghij"), 10, "12345", 2, S("abcdefghij12"));
test(S("abcdefghij"), 10, "12345", 4, S("abcdefghij1234"));
test(S("abcdefghij"), 10, "12345", 5, S("abcdefghij12345"));
test(S("abcdefghij"), 10, "1234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "1234567890", 1, S("abcdefghij1"));
test(S("abcdefghij"), 10, "1234567890", 5, S("abcdefghij12345"));
test(S("abcdefghij"), 10, "1234567890", 9, S("abcdefghij123456789"));
test(S("abcdefghij"), 10, "1234567890", 10, S("abcdefghij1234567890"));
test(S("abcdefghij"), 10, "12345678901234567890", 0, S("abcdefghij"));
test(S("abcdefghij"), 10, "12345678901234567890", 1, S("abcdefghij1"));
test(S("abcdefghij"), 10, "12345678901234567890", 10, S("abcdefghij1234567890"));
test(S("abcdefghij"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
test(S("abcdefghij"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
test(S("abcdefghij"), 11, "", 0, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 0, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 1, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 2, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 4, S("can't happen"));
test(S("abcdefghij"), 11, "12345", 5, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 0, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 1, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 5, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 9, S("can't happen"));
test(S("abcdefghij"), 11, "1234567890", 10, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 0, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 1, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 10, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 19, S("can't happen"));
test(S("abcdefghij"), 11, "12345678901234567890", 20, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 0, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 1, S("1abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 2, S("12abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 4, S("1234abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345", 5, S("12345abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 1, S("1abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 5, S("12345abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 9, S("123456789abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "1234567890", 10, S("1234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 1, S("1abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 10, S("1234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 1, S("a1bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 2, S("a12bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 4, S("a1234bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345", 5, S("a12345bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 1, S("a1bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 5, S("a12345bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 9, S("a123456789bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "1234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 1, S("a1bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 1, S("abcdefghij1klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 2, S("abcdefghij12klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 4, S("abcdefghij1234klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345", 5, S("abcdefghij12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 1, S("abcdefghij1klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 5, S("abcdefghij12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 9, S("abcdefghij123456789klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "1234567890", 10, S("abcdefghij1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 1, S("abcdefghij1klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 10, S("abcdefghij1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 1, S("abcdefghijklmnopqrs1t"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 2, S("abcdefghijklmnopqrs12t"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 4, S("abcdefghijklmnopqrs1234t"));
test(S("abcdefghijklmnopqrst"), 19, "12345", 5, S("abcdefghijklmnopqrs12345t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 1, S("abcdefghijklmnopqrs1t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 5, S("abcdefghijklmnopqrs12345t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 9, S("abcdefghijklmnopqrs123456789t"));
test(S("abcdefghijklmnopqrst"), 19, "1234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 1, S("abcdefghijklmnopqrs1t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789t"));
test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890t"));
test(S("abcdefghijklmnopqrst"), 20, "", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 1, S("abcdefghijklmnopqrst1"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 2, S("abcdefghijklmnopqrst12"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 4, S("abcdefghijklmnopqrst1234"));
test(S("abcdefghijklmnopqrst"), 20, "12345", 5, S("abcdefghijklmnopqrst12345"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 1, S("abcdefghijklmnopqrst1"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
test(S("abcdefghijklmnopqrst"), 20, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 21, "", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 1, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 2, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 4, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345", 5, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 1, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 5, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 9, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "1234567890", 10, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 0, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 1, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 10, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 19, S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 20, S("can't happen"));
}
#endif
}