7149bb7068
The libc++ test suite has a lot of old Lit features used to XFAIL tests and mark them as UNSUPPORTED. Many of them are to workaround problems on old compilers or old platforms. As time goes by, it is good to go and clean those up to simplify the configuration of the test suite, and also to reflect the testing reality. It's not useful to have markup that gives the impression that e.g. clang-3.3 is supported, when we don't really test on it anymore (and hence several new tests probably don't have the necessary markup on them).
183 lines
6.1 KiB
C++
183 lines
6.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// size_type copy(charT* s, size_type n, size_type pos = 0) const;
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#include <string>
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#include <stdexcept>
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#include <algorithm>
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#include <cassert>
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#include "test_macros.h"
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#include "min_allocator.h"
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template <class S>
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void
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test(S str, typename S::value_type* s, typename S::size_type n,
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typename S::size_type pos)
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{
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const S& cs = str;
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if (pos <= cs.size())
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{
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typename S::size_type r = cs.copy(s, n, pos);
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typename S::size_type rlen = std::min(n, cs.size() - pos);
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assert(r == rlen);
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for (r = 0; r < rlen; ++r)
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assert(S::traits_type::eq(cs[pos+r], s[r]));
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}
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#ifndef TEST_HAS_NO_EXCEPTIONS
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else
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{
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try
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{
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typename S::size_type r = cs.copy(s, n, pos);
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((void)r); // Prevent unused warning
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assert(false);
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}
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catch (std::out_of_range&)
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{
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assert(pos > str.size());
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}
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}
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#endif
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}
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int main(int, char**)
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{
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{
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typedef std::string S;
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char s[50];
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test(S(""), s, 0, 0);
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test(S(""), s, 0, 1);
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test(S(""), s, 1, 0);
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test(S("abcde"), s, 0, 0);
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test(S("abcde"), s, 0, 1);
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test(S("abcde"), s, 0, 2);
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test(S("abcde"), s, 0, 4);
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test(S("abcde"), s, 0, 5);
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test(S("abcde"), s, 0, 6);
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test(S("abcde"), s, 1, 0);
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test(S("abcde"), s, 1, 1);
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test(S("abcde"), s, 1, 2);
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test(S("abcde"), s, 1, 4);
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test(S("abcde"), s, 1, 5);
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test(S("abcde"), s, 2, 0);
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test(S("abcde"), s, 2, 1);
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test(S("abcde"), s, 2, 2);
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test(S("abcde"), s, 2, 4);
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test(S("abcde"), s, 4, 0);
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test(S("abcde"), s, 4, 1);
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test(S("abcde"), s, 4, 2);
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test(S("abcde"), s, 5, 0);
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test(S("abcde"), s, 5, 1);
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test(S("abcde"), s, 6, 0);
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test(S("abcdefghijklmnopqrst"), s, 0, 0);
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test(S("abcdefghijklmnopqrst"), s, 0, 1);
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test(S("abcdefghijklmnopqrst"), s, 0, 2);
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test(S("abcdefghijklmnopqrst"), s, 0, 10);
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test(S("abcdefghijklmnopqrst"), s, 0, 19);
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test(S("abcdefghijklmnopqrst"), s, 0, 20);
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test(S("abcdefghijklmnopqrst"), s, 0, 21);
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test(S("abcdefghijklmnopqrst"), s, 1, 0);
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test(S("abcdefghijklmnopqrst"), s, 1, 1);
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test(S("abcdefghijklmnopqrst"), s, 1, 2);
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test(S("abcdefghijklmnopqrst"), s, 1, 9);
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test(S("abcdefghijklmnopqrst"), s, 1, 18);
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test(S("abcdefghijklmnopqrst"), s, 1, 19);
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test(S("abcdefghijklmnopqrst"), s, 1, 20);
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test(S("abcdefghijklmnopqrst"), s, 2, 0);
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test(S("abcdefghijklmnopqrst"), s, 2, 1);
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test(S("abcdefghijklmnopqrst"), s, 2, 2);
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test(S("abcdefghijklmnopqrst"), s, 2, 9);
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test(S("abcdefghijklmnopqrst"), s, 2, 17);
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test(S("abcdefghijklmnopqrst"), s, 2, 18);
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test(S("abcdefghijklmnopqrst"), s, 2, 19);
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test(S("abcdefghijklmnopqrst"), s, 10, 0);
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test(S("abcdefghijklmnopqrst"), s, 10, 1);
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test(S("abcdefghijklmnopqrst"), s, 10, 2);
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test(S("abcdefghijklmnopqrst"), s, 10, 5);
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test(S("abcdefghijklmnopqrst"), s, 10, 9);
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test(S("abcdefghijklmnopqrst"), s, 10, 10);
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test(S("abcdefghijklmnopqrst"), s, 10, 11);
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test(S("abcdefghijklmnopqrst"), s, 19, 0);
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test(S("abcdefghijklmnopqrst"), s, 19, 1);
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test(S("abcdefghijklmnopqrst"), s, 19, 2);
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test(S("abcdefghijklmnopqrst"), s, 20, 0);
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test(S("abcdefghijklmnopqrst"), s, 20, 1);
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test(S("abcdefghijklmnopqrst"), s, 21, 0);
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
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char s[50];
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test(S(""), s, 0, 0);
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test(S(""), s, 0, 1);
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test(S(""), s, 1, 0);
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test(S("abcde"), s, 0, 0);
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test(S("abcde"), s, 0, 1);
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test(S("abcde"), s, 0, 2);
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test(S("abcde"), s, 0, 4);
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test(S("abcde"), s, 0, 5);
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test(S("abcde"), s, 0, 6);
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test(S("abcde"), s, 1, 0);
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test(S("abcde"), s, 1, 1);
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test(S("abcde"), s, 1, 2);
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test(S("abcde"), s, 1, 4);
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test(S("abcde"), s, 1, 5);
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test(S("abcde"), s, 2, 0);
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test(S("abcde"), s, 2, 1);
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test(S("abcde"), s, 2, 2);
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test(S("abcde"), s, 2, 4);
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test(S("abcde"), s, 4, 0);
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test(S("abcde"), s, 4, 1);
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test(S("abcde"), s, 4, 2);
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test(S("abcde"), s, 5, 0);
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test(S("abcde"), s, 5, 1);
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test(S("abcde"), s, 6, 0);
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test(S("abcdefghijklmnopqrst"), s, 0, 0);
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test(S("abcdefghijklmnopqrst"), s, 0, 1);
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test(S("abcdefghijklmnopqrst"), s, 0, 2);
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test(S("abcdefghijklmnopqrst"), s, 0, 10);
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test(S("abcdefghijklmnopqrst"), s, 0, 19);
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test(S("abcdefghijklmnopqrst"), s, 0, 20);
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test(S("abcdefghijklmnopqrst"), s, 0, 21);
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test(S("abcdefghijklmnopqrst"), s, 1, 0);
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test(S("abcdefghijklmnopqrst"), s, 1, 1);
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test(S("abcdefghijklmnopqrst"), s, 1, 2);
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test(S("abcdefghijklmnopqrst"), s, 1, 9);
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test(S("abcdefghijklmnopqrst"), s, 1, 18);
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test(S("abcdefghijklmnopqrst"), s, 1, 19);
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test(S("abcdefghijklmnopqrst"), s, 1, 20);
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test(S("abcdefghijklmnopqrst"), s, 2, 0);
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test(S("abcdefghijklmnopqrst"), s, 2, 1);
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test(S("abcdefghijklmnopqrst"), s, 2, 2);
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test(S("abcdefghijklmnopqrst"), s, 2, 9);
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test(S("abcdefghijklmnopqrst"), s, 2, 17);
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test(S("abcdefghijklmnopqrst"), s, 2, 18);
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test(S("abcdefghijklmnopqrst"), s, 2, 19);
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test(S("abcdefghijklmnopqrst"), s, 10, 0);
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test(S("abcdefghijklmnopqrst"), s, 10, 1);
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test(S("abcdefghijklmnopqrst"), s, 10, 2);
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test(S("abcdefghijklmnopqrst"), s, 10, 5);
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test(S("abcdefghijklmnopqrst"), s, 10, 9);
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test(S("abcdefghijklmnopqrst"), s, 10, 10);
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test(S("abcdefghijklmnopqrst"), s, 10, 11);
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test(S("abcdefghijklmnopqrst"), s, 19, 0);
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test(S("abcdefghijklmnopqrst"), s, 19, 1);
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test(S("abcdefghijklmnopqrst"), s, 19, 2);
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test(S("abcdefghijklmnopqrst"), s, 20, 0);
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test(S("abcdefghijklmnopqrst"), s, 20, 1);
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test(S("abcdefghijklmnopqrst"), s, 21, 0);
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}
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#endif
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return 0;
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}
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