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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, c++11, c++14, c++17, c++20
// <flat_map>
// flat_multimap()
// noexcept(
// is_nothrow_default_constructible_v<key_container_type> &&
// is_nothrow_default_constructible_v<mapped_container_type> &&
// is_nothrow_default_constructible_v<key_compare>);
// This tests a conforming extension
#include <cassert>
#include <flat_map>
#include <functional>
#include <vector>
#include "test_macros.h"
#include "MoveOnly.h"
#include "test_allocator.h"
struct ThrowingCtorComp {
ThrowingCtorComp() noexcept(false) {}
bool operator()(const auto&, const auto&) const { return false; }
};
int main(int, char**) {
#if defined(_LIBCPP_VERSION)
{
using C = std::flat_multimap<MoveOnly, MoveOnly>;
static_assert(std::is_nothrow_default_constructible_v<C>);
C c;
}
{
using C =
std::flat_multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, std::vector<MoveOnly, test_allocator<MoveOnly>>>;
static_assert(std::is_nothrow_default_constructible_v<C>);
C c;
}
#endif // _LIBCPP_VERSION
{
using C =
std::flat_multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, std::vector<MoveOnly, other_allocator<MoveOnly>>>;
static_assert(!std::is_nothrow_default_constructible_v<C>);
C c;
}
{
using C = std::flat_multimap<MoveOnly, MoveOnly, ThrowingCtorComp>;
static_assert(!std::is_nothrow_default_constructible_v<C>);
C c;
}
return 0;
}
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