//===----------------------------------------------------------------------===//
//
// 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>
// size_type rfind(const charT* s, size_type pos, size_type n) const; // constexpr since C++20
#include <string>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template <class S>
TEST_CONSTEXPR_CXX20 void
test(const S& s,
const typename S::value_type* str,
typename S::size_type pos,
typename S::size_type n,
typename S::size_type x) {
LIBCPP_ASSERT_NOEXCEPT(s.rfind(str, pos, n));
assert(s.rfind(str, pos, n) == x);
if (x != S::npos)
assert(x <= pos && x + n <= s.size());
}
template <class S>
TEST_CONSTEXPR_CXX20 void test0() {
test(S(""), "", 0, 0, 0);
test(S(""), "abcde", 0, 0, 0);
test(S(""), "abcde", 0, 1, S::npos);
test(S(""), "abcde", 0, 2, S::npos);
test(S(""), "abcde", 0, 4, S::npos);
test(S(""), "abcde", 0, 5, S::npos);
test(S(""), "abcdeabcde", 0, 0, 0);
test(S(""), "abcdeabcde", 0, 1, S::npos);
test(S(""), "abcdeabcde", 0, 5, S::npos);
test(S(""), "abcdeabcde", 0, 9, S::npos);
test(S(""), "abcdeabcde", 0, 10, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 0, 0, 0);
test(S(""), "abcdeabcdeabcdeabcde", 0, 1, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
test(S(""), "", 1, 0, 0);
test(S(""), "abcde", 1, 0, 0);
test(S(""), "abcde", 1, 1, S::npos);
test(S(""), "abcde", 1, 2, S::npos);
test(S(""), "abcde", 1, 4, S::npos);
test(S(""), "abcde", 1, 5, S::npos);
test(S(""), "abcdeabcde", 1, 0, 0);
test(S(""), "abcdeabcde", 1, 1, S::npos);
test(S(""), "abcdeabcde", 1, 5, S::npos);
test(S(""), "abcdeabcde", 1, 9, S::npos);
test(S(""), "abcdeabcde", 1, 10, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 1, 0, 0);
test(S(""), "abcdeabcdeabcdeabcde", 1, 1, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
test(S(""), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
test(S("abcde"), "", 0, 0, 0);
test(S("abcde"), "abcde", 0, 0, 0);
test(S("abcde"), "abcde", 0, 1, 0);
test(S("abcde"), "abcde", 0, 2, 0);
test(S("abcde"), "abcde", 0, 4, 0);
test(S("abcde"), "abcde", 0, 5, 0);
test(S("abcde"), "abcdeabcde", 0, 0, 0);
test(S("abcde"), "abcdeabcde", 0, 1, 0);
test(S("abcde"), "abcdeabcde", 0, 5, 0);
test(S("abcde"), "abcdeabcde", 0, 9, S::npos);
test(S("abcde"), "abcdeabcde", 0, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
test(S("abcde"), "", 1, 0, 1);
test(S("abcde"), "abcde", 1, 0, 1);
test(S("abcde"), "abcde", 1, 1, 0);
test(S("abcde"), "abcde", 1, 2, 0);
test(S("abcde"), "abcde", 1, 4, 0);
test(S("abcde"), "abcde", 1, 5, 0);
test(S("abcde"), "abcdeabcde", 1, 0, 1);
test(S("abcde"), "abcdeabcde", 1, 1, 0);
test(S("abcde"), "abcdeabcde", 1, 5, 0);
test(S("abcde"), "abcdeabcde", 1, 9, S::npos);
test(S("abcde"), "abcdeabcde", 1, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
test(S("abcde"), "", 2, 0, 2);
test(S("abcde"), "abcde", 2, 0, 2);
test(S("abcde"), "abcde", 2, 1, 0);
test(S("abcde"), "abcde", 2, 2, 0);
test(S("abcde"), "abcde", 2, 4, 0);
test(S("abcde"), "abcde", 2, 5, 0);
test(S("abcde"), "abcdeabcde", 2, 0, 2);
test(S("abcde"), "abcdeabcde", 2, 1, 0);
test(S("abcde"), "abcdeabcde", 2, 5, 0);
test(S("abcde"), "abcdeabcde", 2, 9, S::npos);
test(S("abcde"), "abcdeabcde", 2, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 0, 2);
test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 1, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 19, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 2, 20, S::npos);
test(S("abcde"), "", 4, 0, 4);
test(S("abcde"), "abcde", 4, 0, 4);
test(S("abcde"), "abcde", 4, 1, 0);
test(S("abcde"), "abcde", 4, 2, 0);
test(S("abcde"), "abcde", 4, 4, 0);
test(S("abcde"), "abcde", 4, 5, 0);
test(S("abcde"), "abcdeabcde", 4, 0, 4);
test(S("abcde"), "abcdeabcde", 4, 1, 0);
test(S("abcde"), "abcdeabcde", 4, 5, 0);
test(S("abcde"), "abcdeabcde", 4, 9, S::npos);
test(S("abcde"), "abcdeabcde", 4, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 0, 4);
test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 1, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 19, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 4, 20, S::npos);
test(S("abcde"), "", 5, 0, 5);
test(S("abcde"), "abcde", 5, 0, 5);
test(S("abcde"), "abcde", 5, 1, 0);
test(S("abcde"), "abcde", 5, 2, 0);
}
template <class S>
TEST_CONSTEXPR_CXX20 void test1() {
test(S("abcde"), "abcde", 5, 4, 0);
test(S("abcde"), "abcde", 5, 5, 0);
test(S("abcde"), "abcdeabcde", 5, 0, 5);
test(S("abcde"), "abcdeabcde", 5, 1, 0);
test(S("abcde"), "abcdeabcde", 5, 5, 0);
test(S("abcde"), "abcdeabcde", 5, 9, S::npos);
test(S("abcde"), "abcdeabcde", 5, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 1, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
test(S("abcde"), "", 6, 0, 5);
test(S("abcde"), "abcde", 6, 0, 5);
test(S("abcde"), "abcde", 6, 1, 0);
test(S("abcde"), "abcde", 6, 2, 0);
test(S("abcde"), "abcde", 6, 4, 0);
test(S("abcde"), "abcde", 6, 5, 0);
test(S("abcde"), "abcdeabcde", 6, 0, 5);
test(S("abcde"), "abcdeabcde", 6, 1, 0);
test(S("abcde"), "abcdeabcde", 6, 5, 0);
test(S("abcde"), "abcdeabcde", 6, 9, S::npos);
test(S("abcde"), "abcdeabcde", 6, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 0, 5);
test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 1, 0);
test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 10, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 19, S::npos);
test(S("abcde"), "abcdeabcdeabcdeabcde", 6, 20, S::npos);
test(S("abcdeabcde"), "", 0, 0, 0);
test(S("abcdeabcde"), "abcde", 0, 0, 0);
test(S("abcdeabcde"), "abcde", 0, 1, 0);
test(S("abcdeabcde"), "abcde", 0, 2, 0);
test(S("abcdeabcde"), "abcde", 0, 4, 0);
test(S("abcdeabcde"), "abcde", 0, 5, 0);
test(S("abcdeabcde"), "abcdeabcde", 0, 0, 0);
test(S("abcdeabcde"), "abcdeabcde", 0, 1, 0);
test(S("abcdeabcde"), "abcdeabcde", 0, 5, 0);
test(S("abcdeabcde"), "abcdeabcde", 0, 9, 0);
test(S("abcdeabcde"), "abcdeabcde", 0, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, S::npos);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, S::npos);
test(S("abcdeabcde"), "", 1, 0, 1);
test(S("abcdeabcde"), "abcde", 1, 0, 1);
test(S("abcdeabcde"), "abcde", 1, 1, 0);
test(S("abcdeabcde"), "abcde", 1, 2, 0);
test(S("abcdeabcde"), "abcde", 1, 4, 0);
test(S("abcdeabcde"), "abcde", 1, 5, 0);
test(S("abcdeabcde"), "abcdeabcde", 1, 0, 1);
test(S("abcdeabcde"), "abcdeabcde", 1, 1, 0);
test(S("abcdeabcde"), "abcdeabcde", 1, 5, 0);
test(S("abcdeabcde"), "abcdeabcde", 1, 9, 0);
test(S("abcdeabcde"), "abcdeabcde", 1, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, S::npos);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, S::npos);
test(S("abcdeabcde"), "", 5, 0, 5);
test(S("abcdeabcde"), "abcde", 5, 0, 5);
test(S("abcdeabcde"), "abcde", 5, 1, 5);
test(S("abcdeabcde"), "abcde", 5, 2, 5);
test(S("abcdeabcde"), "abcde", 5, 4, 5);
test(S("abcdeabcde"), "abcde", 5, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 5, 0, 5);
test(S("abcdeabcde"), "abcdeabcde", 5, 1, 5);
test(S("abcdeabcde"), "abcdeabcde", 5, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 5, 9, 0);
test(S("abcdeabcde"), "abcdeabcde", 5, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 0, 5);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 1, 5);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 19, S::npos);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, 20, S::npos);
test(S("abcdeabcde"), "", 9, 0, 9);
test(S("abcdeabcde"), "abcde", 9, 0, 9);
test(S("abcdeabcde"), "abcde", 9, 1, 5);
test(S("abcdeabcde"), "abcde", 9, 2, 5);
test(S("abcdeabcde"), "abcde", 9, 4, 5);
test(S("abcdeabcde"), "abcde", 9, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 9, 0, 9);
test(S("abcdeabcde"), "abcdeabcde", 9, 1, 5);
test(S("abcdeabcde"), "abcdeabcde", 9, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 9, 9, 0);
test(S("abcdeabcde"), "abcdeabcde", 9, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 0, 9);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 1, 5);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 19, S::npos);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, 20, S::npos);
test(S("abcdeabcde"), "", 10, 0, 10);
test(S("abcdeabcde"), "abcde", 10, 0, 10);
test(S("abcdeabcde"), "abcde", 10, 1, 5);
test(S("abcdeabcde"), "abcde", 10, 2, 5);
test(S("abcdeabcde"), "abcde", 10, 4, 5);
test(S("abcdeabcde"), "abcde", 10, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 10, 0, 10);
test(S("abcdeabcde"), "abcdeabcde", 10, 1, 5);
}
template <class S>
TEST_CONSTEXPR_CXX20 void test2() {
test(S("abcdeabcde"), "abcdeabcde", 10, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 10, 9, 0);
test(S("abcdeabcde"), "abcdeabcde", 10, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 5);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, S::npos);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, S::npos);
test(S("abcdeabcde"), "", 11, 0, 10);
test(S("abcdeabcde"), "abcde", 11, 0, 10);
test(S("abcdeabcde"), "abcde", 11, 1, 5);
test(S("abcdeabcde"), "abcde", 11, 2, 5);
test(S("abcdeabcde"), "abcde", 11, 4, 5);
test(S("abcdeabcde"), "abcde", 11, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 11, 0, 10);
test(S("abcdeabcde"), "abcdeabcde", 11, 1, 5);
test(S("abcdeabcde"), "abcdeabcde", 11, 5, 5);
test(S("abcdeabcde"), "abcdeabcde", 11, 9, 0);
test(S("abcdeabcde"), "abcdeabcde", 11, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 0, 10);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 1, 5);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 10, 0);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 19, S::npos);
test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, 20, S::npos);
test(S("abcdeabcdeabcdeabcde"), "", 0, 0, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 1, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 2, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 4, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 5, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 1, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 5, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 9, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 10, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 1, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 10, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 19, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 20, 0);
test(S("abcdeabcdeabcdeabcde"), "", 1, 0, 1);
test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 0, 1);
test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 1, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 2, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 4, 0);
test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 0, 1);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 1, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 9, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 10, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 0, 1);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 1, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 10, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 19, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, 20, 0);
test(S("abcdeabcdeabcdeabcde"), "", 10, 0, 10);
test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 0, 10);
test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 1, 10);
test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 2, 10);
test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 4, 10);
test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 5, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 0, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 1, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 5, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 9, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 0, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 1, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 19, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, 20, 0);
test(S("abcdeabcdeabcdeabcde"), "", 19, 0, 19);
test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 0, 19);
test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 2, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 4, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 19, 5, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 0, 19);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 5, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 9, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 0, 19);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 19, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, 20, 0);
test(S("abcdeabcdeabcdeabcde"), "", 20, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 2, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 4, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 20, 5, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 5, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 9, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 0, 20);
}
template <class S>
TEST_CONSTEXPR_CXX20 void test3() {
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 19, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, 20, 0);
test(S("abcdeabcdeabcdeabcde"), "", 21, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 2, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 4, 15);
test(S("abcdeabcdeabcdeabcde"), "abcde", 21, 5, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 5, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 9, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 0, 20);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 1, 15);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 10, 10);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 19, 0);
test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, 20, 0);
}
template <class S>
TEST_CONSTEXPR_CXX20 void test_string() {
test0<S>();
test1<S>();
test2<S>();
test3<S>();
}
TEST_CONSTEXPR_CXX20 bool test() {
test_string<std::string>();
#if TEST_STD_VER >= 11
test_string<std::basic_string<char, std::char_traits<char>, min_allocator<char> > >();
#endif
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}
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