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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <vector>
// vector()
// noexcept(is_nothrow_default_constructible<allocator_type>::value);
// This *was* a conforming extension, but it was adopted in N4258.
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "MoveOnly.h"
#include "test_allocator.h"
template <class T>
struct some_alloc {
typedef T value_type;
some_alloc(const some_alloc&);
void allocate(std::size_t);
};
TEST_CONSTEXPR_CXX20 bool tests() {
{
typedef std::vector<MoveOnly> C;
static_assert(std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::vector<MoveOnly, test_allocator<MoveOnly>> C;
static_assert(std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::vector<MoveOnly, other_allocator<MoveOnly>> C;
static_assert(!std::is_nothrow_default_constructible<C>::value, "");
}
{
typedef std::vector<MoveOnly, some_alloc<MoveOnly>> C;
static_assert(!std::is_nothrow_default_constructible<C>::value, "");
}
return true;
}
int main(int, char**) {
tests();
#if TEST_STD_VER > 17
static_assert(tests());
#endif
return 0;
}
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