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//===----------------------------------------------------------------------===//
//
// 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(const basic_string<charT,traits,Allocator>& str); // constexpr since C++20
#include <string>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
template <class S>
TEST_CONSTEXPR_CXX20 void
test(S s1)
{
S s2 = s1;
LIBCPP_ASSERT(s2.__invariants());
assert(s2 == s1);
assert(s2.capacity() >= s2.size());
assert(s2.get_allocator() == s1.get_allocator());
}
TEST_CONSTEXPR_CXX20 bool test() {
{
typedef test_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
test(S(A(3)));
test(S("1", A(5)));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)));
}
#if TEST_STD_VER >= 11
{
typedef min_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
test(S(A{}));
test(S("1", A()));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()));
}
#endif
return true;
}
int main(int, char**)
{
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}
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