//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <string>
// basic_string<charT,traits,Allocator>&
// replace(size_type pos1, size_type n1, basic_string_view<charT,traits> sv); // constexpr since C++20
#include <string>
#include <stdexcept>
#include <algorithm>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
#include "asan_testing.h"
template <class S, class SV>
TEST_CONSTEXPR_CXX20 void test(S s, typename S::size_type pos1, typename S::size_type n1, SV sv, S expected) {
const typename S::size_type old_size = s.size();
S s0 = s;
if (pos1 <= old_size) {
s.replace(pos1, n1, sv);
LIBCPP_ASSERT(s.__invariants());
assert(s == expected);
typename S::size_type xlen = std::min(n1, old_size - pos1);
typename S::size_type rlen = sv.size();
assert(s.size() == old_size - xlen + rlen);
LIBCPP_ASSERT(is_string_asan_correct(s));
}
#ifndef TEST_HAS_NO_EXCEPTIONS
else if (!TEST_IS_CONSTANT_EVALUATED) {
try {
s.replace(pos1, n1, sv);
assert(false);
} catch (std::out_of_range&) {
assert(pos1 > old_size);
assert(s == s0);
}
}
#endif
}
template <class S, class SV>
TEST_CONSTEXPR_CXX20 bool test0() {
test(S(""), 0, 0, SV(""), S(""));
test(S(""), 0, 0, SV("12345"), S("12345"));
test(S(""), 0, 0, SV("1234567890"), S("1234567890"));
test(S(""), 0, 0, SV("12345678901234567890"), S("12345678901234567890"));
test(S(""), 0, 1, SV(""), S(""));
test(S(""), 0, 1, SV("12345"), S("12345"));
test(S(""), 0, 1, SV("1234567890"), S("1234567890"));
test(S(""), 0, 1, SV("12345678901234567890"), S("12345678901234567890"));
test(S(""), 1, 0, SV(""), S("can't happen"));
test(S(""), 1, 0, SV("12345"), S("can't happen"));
test(S(""), 1, 0, SV("1234567890"), S("can't happen"));
test(S(""), 1, 0, SV("12345678901234567890"), S("can't happen"));
test(S("abcde"), 0, 0, SV(""), S("abcde"));
test(S("abcde"), 0, 0, SV("12345"), S("12345abcde"));
test(S("abcde"), 0, 0, SV("1234567890"), S("1234567890abcde"));
test(S("abcde"), 0, 0, SV("12345678901234567890"), S("12345678901234567890abcde"));
test(S("abcde"), 0, 1, SV(""), S("bcde"));
test(S("abcde"), 0, 1, SV("12345"), S("12345bcde"));
test(S("abcde"), 0, 1, SV("1234567890"), S("1234567890bcde"));
test(S("abcde"), 0, 1, SV("12345678901234567890"), S("12345678901234567890bcde"));
test(S("abcde"), 0, 2, SV(""), S("cde"));
test(S("abcde"), 0, 2, SV("12345"), S("12345cde"));
test(S("abcde"), 0, 2, SV("1234567890"), S("1234567890cde"));
test(S("abcde"), 0, 2, SV("12345678901234567890"), S("12345678901234567890cde"));
test(S("abcde"), 0, 4, SV(""), S("e"));
test(S("abcde"), 0, 4, SV("12345"), S("12345e"));
test(S("abcde"), 0, 4, SV("1234567890"), S("1234567890e"));
test(S("abcde"), 0, 4, SV("12345678901234567890"), S("12345678901234567890e"));
test(S("abcde"), 0, 5, SV(""), S(""));
test(S("abcde"), 0, 5, SV("12345"), S("12345"));
test(S("abcde"), 0, 5, SV("1234567890"), S("1234567890"));
test(S("abcde"), 0, 5, SV("12345678901234567890"), S("12345678901234567890"));
test(S("abcde"), 0, 6, SV(""), S(""));
test(S("abcde"), 0, 6, SV("12345"), S("12345"));
test(S("abcde"), 0, 6, SV("1234567890"), S("1234567890"));
test(S("abcde"), 0, 6, SV("12345678901234567890"), S("12345678901234567890"));
test(S("abcde"), 1, 0, SV(""), S("abcde"));
test(S("abcde"), 1, 0, SV("12345"), S("a12345bcde"));
test(S("abcde"), 1, 0, SV("1234567890"), S("a1234567890bcde"));
test(S("abcde"), 1, 0, SV("12345678901234567890"), S("a12345678901234567890bcde"));
test(S("abcde"), 1, 1, SV(""), S("acde"));
test(S("abcde"), 1, 1, SV("12345"), S("a12345cde"));
test(S("abcde"), 1, 1, SV("1234567890"), S("a1234567890cde"));
test(S("abcde"), 1, 1, SV("12345678901234567890"), S("a12345678901234567890cde"));
test(S("abcde"), 1, 2, SV(""), S("ade"));
test(S("abcde"), 1, 2, SV("12345"), S("a12345de"));
test(S("abcde"), 1, 2, SV("1234567890"), S("a1234567890de"));
test(S("abcde"), 1, 2, SV("12345678901234567890"), S("a12345678901234567890de"));
test(S("abcde"), 1, 3, SV(""), S("ae"));
test(S("abcde"), 1, 3, SV("12345"), S("a12345e"));
test(S("abcde"), 1, 3, SV("1234567890"), S("a1234567890e"));
test(S("abcde"), 1, 3, SV("12345678901234567890"), S("a12345678901234567890e"));
test(S("abcde"), 1, 4, SV(""), S("a"));
test(S("abcde"), 1, 4, SV("12345"), S("a12345"));
test(S("abcde"), 1, 4, SV("1234567890"), S("a1234567890"));
test(S("abcde"), 1, 4, SV("12345678901234567890"), S("a12345678901234567890"));
test(S("abcde"), 1, 5, SV(""), S("a"));
test(S("abcde"), 1, 5, SV("12345"), S("a12345"));
test(S("abcde"), 1, 5, SV("1234567890"), S("a1234567890"));
test(S("abcde"), 1, 5, SV("12345678901234567890"), S("a12345678901234567890"));
test(S("abcde"), 2, 0, SV(""), S("abcde"));
test(S("abcde"), 2, 0, SV("12345"), S("ab12345cde"));
test(S("abcde"), 2, 0, SV("1234567890"), S("ab1234567890cde"));
test(S("abcde"), 2, 0, SV("12345678901234567890"), S("ab12345678901234567890cde"));
test(S("abcde"), 2, 1, SV(""), S("abde"));
test(S("abcde"), 2, 1, SV("12345"), S("ab12345de"));
test(S("abcde"), 2, 1, SV("1234567890"), S("ab1234567890de"));
test(S("abcde"), 2, 1, SV("12345678901234567890"), S("ab12345678901234567890de"));
test(S("abcde"), 2, 2, SV(""), S("abe"));
test(S("abcde"), 2, 2, SV("12345"), S("ab12345e"));
test(S("abcde"), 2, 2, SV("1234567890"), S("ab1234567890e"));
test(S("abcde"), 2, 2, SV("12345678901234567890"), S("ab12345678901234567890e"));
test(S("abcde"), 2, 3, SV(""), S("ab"));
test(S("abcde"), 2, 3, SV("12345"), S("ab12345"));
test(S("abcde"), 2, 3, SV("1234567890"), S("ab1234567890"));
test(S("abcde"), 2, 3, SV("12345678901234567890"), S("ab12345678901234567890"));
test(S("abcde"), 2, 4, SV(""), S("ab"));
test(S("abcde"), 2, 4, SV("12345"), S("ab12345"));
test(S("abcde"), 2, 4, SV("1234567890"), S("ab1234567890"));
test(S("abcde"), 2, 4, SV("12345678901234567890"), S("ab12345678901234567890"));
test(S("abcde"), 4, 0, SV(""), S("abcde"));
test(S("abcde"), 4, 0, SV("12345"), S("abcd12345e"));
test(S("abcde"), 4, 0, SV("1234567890"), S("abcd1234567890e"));
test(S("abcde"), 4, 0, SV("12345678901234567890"), S("abcd12345678901234567890e"));
test(S("abcde"), 4, 1, SV(""), S("abcd"));
test(S("abcde"), 4, 1, SV("12345"), S("abcd12345"));
test(S("abcde"), 4, 1, SV("1234567890"), S("abcd1234567890"));
test(S("abcde"), 4, 1, SV("12345678901234567890"), S("abcd12345678901234567890"));
test(S("abcde"), 4, 2, SV(""), S("abcd"));
test(S("abcde"), 4, 2, SV("12345"), S("abcd12345"));
test(S("abcde"), 4, 2, SV("1234567890"), S("abcd1234567890"));
test(S("abcde"), 4, 2, SV("12345678901234567890"), S("abcd12345678901234567890"));
test(S("abcde"), 5, 0, SV(""), S("abcde"));
test(S("abcde"), 5, 0, SV("12345"), S("abcde12345"));
test(S("abcde"), 5, 0, SV("1234567890"), S("abcde1234567890"));
test(S("abcde"), 5, 0, SV("12345678901234567890"), S("abcde12345678901234567890"));
test(S("abcde"), 5, 1, SV(""), S("abcde"));
test(S("abcde"), 5, 1, SV("12345"), S("abcde12345"));
test(S("abcde"), 5, 1, SV("1234567890"), S("abcde1234567890"));
test(S("abcde"), 5, 1, SV("12345678901234567890"), S("abcde12345678901234567890"));
return true;
}
template <class S, class SV>
TEST_CONSTEXPR_CXX20 bool test1() {
test(S("abcde"), 6, 0, SV(""), S("can't happen"));
test(S("abcde"), 6, 0, SV("12345"), S("can't happen"));
test(S("abcde"), 6, 0, SV("1234567890"), S("can't happen"));
test(S("abcde"), 6, 0, SV("12345678901234567890"), S("can't happen"));
test(S("abcdefghij"), 0, 0, SV(""), S("abcdefghij"));
test(S("abcdefghij"), 0, 0, SV("12345"), S("12345abcdefghij"));
test(S("abcdefghij"), 0, 0, SV("1234567890"), S("1234567890abcdefghij"));
test(S("abcdefghij"), 0, 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij"));
test(S("abcdefghij"), 0, 1, SV(""), S("bcdefghij"));
test(S("abcdefghij"), 0, 1, SV("12345"), S("12345bcdefghij"));
test(S("abcdefghij"), 0, 1, SV("1234567890"), S("1234567890bcdefghij"));
test(S("abcdefghij"), 0, 1, SV("12345678901234567890"), S("12345678901234567890bcdefghij"));
test(S("abcdefghij"), 0, 5, SV(""), S("fghij"));
test(S("abcdefghij"), 0, 5, SV("12345"), S("12345fghij"));
test(S("abcdefghij"), 0, 5, SV("1234567890"), S("1234567890fghij"));
test(S("abcdefghij"), 0, 5, SV("12345678901234567890"), S("12345678901234567890fghij"));
test(S("abcdefghij"), 0, 9, SV(""), S("j"));
test(S("abcdefghij"), 0, 9, SV("12345"), S("12345j"));
test(S("abcdefghij"), 0, 9, SV("1234567890"), S("1234567890j"));
test(S("abcdefghij"), 0, 9, SV("12345678901234567890"), S("12345678901234567890j"));
test(S("abcdefghij"), 0, 10, SV(""), S(""));
test(S("abcdefghij"), 0, 10, SV("12345"), S("12345"));
test(S("abcdefghij"), 0, 10, SV("1234567890"), S("1234567890"));
test(S("abcdefghij"), 0, 10, SV("12345678901234567890"), S("12345678901234567890"));
test(S("abcdefghij"), 0, 11, SV(""), S(""));
test(S("abcdefghij"), 0, 11, SV("12345"), S("12345"));
test(S("abcdefghij"), 0, 11, SV("1234567890"), S("1234567890"));
test(S("abcdefghij"), 0, 11, SV("12345678901234567890"), S("12345678901234567890"));
test(S("abcdefghij"), 1, 0, SV(""), S("abcdefghij"));
test(S("abcdefghij"), 1, 0, SV("12345"), S("a12345bcdefghij"));
test(S("abcdefghij"), 1, 0, SV("1234567890"), S("a1234567890bcdefghij"));
test(S("abcdefghij"), 1, 0, SV("12345678901234567890"), S("a12345678901234567890bcdefghij"));
test(S("abcdefghij"), 1, 1, SV(""), S("acdefghij"));
test(S("abcdefghij"), 1, 1, SV("12345"), S("a12345cdefghij"));
test(S("abcdefghij"), 1, 1, SV("1234567890"), S("a1234567890cdefghij"));
test(S("abcdefghij"), 1, 1, SV("12345678901234567890"), S("a12345678901234567890cdefghij"));
test(S("abcdefghij"), 1, 4, SV(""), S("afghij"));
test(S("abcdefghij"), 1, 4, SV("12345"), S("a12345fghij"));
test(S("abcdefghij"), 1, 4, SV("1234567890"), S("a1234567890fghij"));
test(S("abcdefghij"), 1, 4, SV("12345678901234567890"), S("a12345678901234567890fghij"));
test(S("abcdefghij"), 1, 8, SV(""), S("aj"));
test(S("abcdefghij"), 1, 8, SV("12345"), S("a12345j"));
test(S("abcdefghij"), 1, 8, SV("1234567890"), S("a1234567890j"));
test(S("abcdefghij"), 1, 8, SV("12345678901234567890"), S("a12345678901234567890j"));
test(S("abcdefghij"), 1, 9, SV(""), S("a"));
test(S("abcdefghij"), 1, 9, SV("12345"), S("a12345"));
test(S("abcdefghij"), 1, 9, SV("1234567890"), S("a1234567890"));
test(S("abcdefghij"), 1, 9, SV("12345678901234567890"), S("a12345678901234567890"));
test(S("abcdefghij"), 1, 10, SV(""), S("a"));
test(S("abcdefghij"), 1, 10, SV("12345"), S("a12345"));
test(S("abcdefghij"), 1, 10, SV("1234567890"), S("a1234567890"));
test(S("abcdefghij"), 1, 10, SV("12345678901234567890"), S("a12345678901234567890"));
test(S("abcdefghij"), 5, 0, SV(""), S("abcdefghij"));
test(S("abcdefghij"), 5, 0, SV("12345"), S("abcde12345fghij"));
test(S("abcdefghij"), 5, 0, SV("1234567890"), S("abcde1234567890fghij"));
test(S("abcdefghij"), 5, 0, SV("12345678901234567890"), S("abcde12345678901234567890fghij"));
test(S("abcdefghij"), 5, 1, SV(""), S("abcdeghij"));
test(S("abcdefghij"), 5, 1, SV("12345"), S("abcde12345ghij"));
test(S("abcdefghij"), 5, 1, SV("1234567890"), S("abcde1234567890ghij"));
test(S("abcdefghij"), 5, 1, SV("12345678901234567890"), S("abcde12345678901234567890ghij"));
test(S("abcdefghij"), 5, 2, SV(""), S("abcdehij"));
test(S("abcdefghij"), 5, 2, SV("12345"), S("abcde12345hij"));
test(S("abcdefghij"), 5, 2, SV("1234567890"), S("abcde1234567890hij"));
test(S("abcdefghij"), 5, 2, SV("12345678901234567890"), S("abcde12345678901234567890hij"));
test(S("abcdefghij"), 5, 4, SV(""), S("abcdej"));
test(S("abcdefghij"), 5, 4, SV("12345"), S("abcde12345j"));
test(S("abcdefghij"), 5, 4, SV("1234567890"), S("abcde1234567890j"));
test(S("abcdefghij"), 5, 4, SV("12345678901234567890"), S("abcde12345678901234567890j"));
test(S("abcdefghij"), 5, 5, SV(""), S("abcde"));
test(S("abcdefghij"), 5, 5, SV("12345"), S("abcde12345"));
test(S("abcdefghij"), 5, 5, SV("1234567890"), S("abcde1234567890"));
test(S("abcdefghij"), 5, 5, SV("12345678901234567890"), S("abcde12345678901234567890"));
test(S("abcdefghij"), 5, 6, SV(""), S("abcde"));
test(S("abcdefghij"), 5, 6, SV("12345"), S("abcde12345"));
test(S("abcdefghij"), 5, 6, SV("1234567890"), S("abcde1234567890"));
test(S("abcdefghij"), 5, 6, SV("12345678901234567890"), S("abcde12345678901234567890"));
test(S("abcdefghij"), 9, 0, SV(""), S("abcdefghij"));
test(S("abcdefghij"), 9, 0, SV("12345"), S("abcdefghi12345j"));
test(S("abcdefghij"), 9, 0, SV("1234567890"), S("abcdefghi1234567890j"));
test(S("abcdefghij"), 9, 0, SV("12345678901234567890"), S("abcdefghi12345678901234567890j"));
test(S("abcdefghij"), 9, 1, SV(""), S("abcdefghi"));
test(S("abcdefghij"), 9, 1, SV("12345"), S("abcdefghi12345"));
test(S("abcdefghij"), 9, 1, SV("1234567890"), S("abcdefghi1234567890"));
test(S("abcdefghij"), 9, 1, SV("12345678901234567890"), S("abcdefghi12345678901234567890"));
test(S("abcdefghij"), 9, 2, SV(""), S("abcdefghi"));
test(S("abcdefghij"), 9, 2, SV("12345"), S("abcdefghi12345"));
test(S("abcdefghij"), 9, 2, SV("1234567890"), S("abcdefghi1234567890"));
test(S("abcdefghij"), 9, 2, SV("12345678901234567890"), S("abcdefghi12345678901234567890"));
test(S("abcdefghij"), 10, 0, SV(""), S("abcdefghij"));
test(S("abcdefghij"), 10, 0, SV("12345"), S("abcdefghij12345"));
test(S("abcdefghij"), 10, 0, SV("1234567890"), S("abcdefghij1234567890"));
test(S("abcdefghij"), 10, 0, SV("12345678901234567890"), S("abcdefghij12345678901234567890"));
test(S("abcdefghij"), 10, 1, SV(""), S("abcdefghij"));
test(S("abcdefghij"), 10, 1, SV("12345"), S("abcdefghij12345"));
test(S("abcdefghij"), 10, 1, SV("1234567890"), S("abcdefghij1234567890"));
test(S("abcdefghij"), 10, 1, SV("12345678901234567890"), S("abcdefghij12345678901234567890"));
test(S("abcdefghij"), 11, 0, SV(""), S("can't happen"));
test(S("abcdefghij"), 11, 0, SV("12345"), S("can't happen"));
test(S("abcdefghij"), 11, 0, SV("1234567890"), S("can't happen"));
test(S("abcdefghij"), 11, 0, SV("12345678901234567890"), S("can't happen"));
return true;
}
template <class S, class SV>
TEST_CONSTEXPR_CXX20 bool test2() {
test(S("abcdefghijklmnopqrst"), 0, 0, SV(""), S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 0, SV("12345"), S("12345abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 1, SV(""), S("bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 1, SV("12345"), S("12345bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 1, SV("1234567890"), S("1234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 1, SV("12345678901234567890"), S("12345678901234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 10, SV(""), S("klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 10, SV("12345"), S("12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 10, SV("1234567890"), S("1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 10, SV("12345678901234567890"), S("12345678901234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 0, 19, SV(""), S("t"));
test(S("abcdefghijklmnopqrst"), 0, 19, SV("12345"), S("12345t"));
test(S("abcdefghijklmnopqrst"), 0, 19, SV("1234567890"), S("1234567890t"));
test(S("abcdefghijklmnopqrst"), 0, 19, SV("12345678901234567890"), S("12345678901234567890t"));
test(S("abcdefghijklmnopqrst"), 0, 20, SV(""), S(""));
test(S("abcdefghijklmnopqrst"), 0, 20, SV("12345"), S("12345"));
test(S("abcdefghijklmnopqrst"), 0, 20, SV("1234567890"), S("1234567890"));
test(S("abcdefghijklmnopqrst"), 0, 20, SV("12345678901234567890"), S("12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 0, 21, SV(""), S(""));
test(S("abcdefghijklmnopqrst"), 0, 21, SV("12345"), S("12345"));
test(S("abcdefghijklmnopqrst"), 0, 21, SV("1234567890"), S("1234567890"));
test(S("abcdefghijklmnopqrst"), 0, 21, SV("12345678901234567890"), S("12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 1, 0, SV(""), S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 0, SV("12345"), S("a12345bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 0, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 0, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 1, SV(""), S("acdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 1, SV("12345"), S("a12345cdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 1, SV("1234567890"), S("a1234567890cdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 1, SV("12345678901234567890"), S("a12345678901234567890cdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 9, SV(""), S("aklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 9, SV("12345"), S("a12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 9, SV("1234567890"), S("a1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 9, SV("12345678901234567890"), S("a12345678901234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 1, 18, SV(""), S("at"));
test(S("abcdefghijklmnopqrst"), 1, 18, SV("12345"), S("a12345t"));
test(S("abcdefghijklmnopqrst"), 1, 18, SV("1234567890"), S("a1234567890t"));
test(S("abcdefghijklmnopqrst"), 1, 18, SV("12345678901234567890"), S("a12345678901234567890t"));
test(S("abcdefghijklmnopqrst"), 1, 19, SV(""), S("a"));
test(S("abcdefghijklmnopqrst"), 1, 19, SV("12345"), S("a12345"));
test(S("abcdefghijklmnopqrst"), 1, 19, SV("1234567890"), S("a1234567890"));
test(S("abcdefghijklmnopqrst"), 1, 19, SV("12345678901234567890"), S("a12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 1, 20, SV(""), S("a"));
test(S("abcdefghijklmnopqrst"), 1, 20, SV("12345"), S("a12345"));
test(S("abcdefghijklmnopqrst"), 1, 20, SV("1234567890"), S("a1234567890"));
test(S("abcdefghijklmnopqrst"), 1, 20, SV("12345678901234567890"), S("a12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 10, 0, SV(""), S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 0, SV("12345"), S("abcdefghij12345klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 0, SV("1234567890"), S("abcdefghij1234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 0, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 1, SV(""), S("abcdefghijlmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 1, SV("12345"), S("abcdefghij12345lmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 1, SV("1234567890"), S("abcdefghij1234567890lmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 1, SV("12345678901234567890"), S("abcdefghij12345678901234567890lmnopqrst"));
test(S("abcdefghijklmnopqrst"), 10, 5, SV(""), S("abcdefghijpqrst"));
test(S("abcdefghijklmnopqrst"), 10, 5, SV("12345"), S("abcdefghij12345pqrst"));
test(S("abcdefghijklmnopqrst"), 10, 5, SV("1234567890"), S("abcdefghij1234567890pqrst"));
test(S("abcdefghijklmnopqrst"), 10, 5, SV("12345678901234567890"), S("abcdefghij12345678901234567890pqrst"));
test(S("abcdefghijklmnopqrst"), 10, 9, SV(""), S("abcdefghijt"));
test(S("abcdefghijklmnopqrst"), 10, 9, SV("12345"), S("abcdefghij12345t"));
test(S("abcdefghijklmnopqrst"), 10, 9, SV("1234567890"), S("abcdefghij1234567890t"));
test(S("abcdefghijklmnopqrst"), 10, 9, SV("12345678901234567890"), S("abcdefghij12345678901234567890t"));
test(S("abcdefghijklmnopqrst"), 10, 10, SV(""), S("abcdefghij"));
test(S("abcdefghijklmnopqrst"), 10, 10, SV("12345"), S("abcdefghij12345"));
test(S("abcdefghijklmnopqrst"), 10, 10, SV("1234567890"), S("abcdefghij1234567890"));
test(S("abcdefghijklmnopqrst"), 10, 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 10, 11, SV(""), S("abcdefghij"));
test(S("abcdefghijklmnopqrst"), 10, 11, SV("12345"), S("abcdefghij12345"));
test(S("abcdefghijklmnopqrst"), 10, 11, SV("1234567890"), S("abcdefghij1234567890"));
test(S("abcdefghijklmnopqrst"), 10, 11, SV("12345678901234567890"), S("abcdefghij12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 19, 0, SV(""), S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 19, 0, SV("12345"), S("abcdefghijklmnopqrs12345t"));
test(S("abcdefghijklmnopqrst"), 19, 0, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t"));
test(S("abcdefghijklmnopqrst"), 19, 0, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t"));
test(S("abcdefghijklmnopqrst"), 19, 1, SV(""), S("abcdefghijklmnopqrs"));
test(S("abcdefghijklmnopqrst"), 19, 1, SV("12345"), S("abcdefghijklmnopqrs12345"));
test(S("abcdefghijklmnopqrst"), 19, 1, SV("1234567890"), S("abcdefghijklmnopqrs1234567890"));
test(S("abcdefghijklmnopqrst"), 19, 1, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 19, 2, SV(""), S("abcdefghijklmnopqrs"));
test(S("abcdefghijklmnopqrst"), 19, 2, SV("12345"), S("abcdefghijklmnopqrs12345"));
test(S("abcdefghijklmnopqrst"), 19, 2, SV("1234567890"), S("abcdefghijklmnopqrs1234567890"));
test(S("abcdefghijklmnopqrst"), 19, 2, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 20, 0, SV(""), S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, 0, SV("12345"), S("abcdefghijklmnopqrst12345"));
test(S("abcdefghijklmnopqrst"), 20, 0, SV("1234567890"), S("abcdefghijklmnopqrst1234567890"));
test(S("abcdefghijklmnopqrst"), 20, 0, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 20, 1, SV(""), S("abcdefghijklmnopqrst"));
test(S("abcdefghijklmnopqrst"), 20, 1, SV("12345"), S("abcdefghijklmnopqrst12345"));
test(S("abcdefghijklmnopqrst"), 20, 1, SV("1234567890"), S("abcdefghijklmnopqrst1234567890"));
test(S("abcdefghijklmnopqrst"), 20, 1, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
test(S("abcdefghijklmnopqrst"), 21, 0, SV(""), S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, 0, SV("12345"), S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, 0, SV("1234567890"), S("can't happen"));
test(S("abcdefghijklmnopqrst"), 21, 0, SV("12345678901234567890"), S("can't happen"));
return true;
}
template <class CharT, template <class> class Alloc>
void test() {
using S = std::basic_string<CharT, std::char_traits<CharT>, Alloc<CharT> >;
using SV = std::basic_string_view<CharT, std::char_traits<CharT> >;
test0<S, SV>();
test1<S, SV>();
test2<S, SV>();
#if TEST_STD_VER > 17
static_assert(test0<S, SV>());
static_assert(test1<S, SV>());
static_assert(test2<S, SV>());
#endif
}
int main(int, char**) {
test<char, std::allocator>();
#if TEST_STD_VER >= 11
test<char, min_allocator>();
test<char, safe_allocator>();
#endif
return 0;
}
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