Files
clang-p2996/libcxx/test/std/containers/container.adaptors/flat.multiset/flat.multiset.cons/copy.pass.cpp

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C++

//===----------------------------------------------------------------------===//
//
// 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_set>
// flat_multiset(const flat_multiset& m);
#include <algorithm>
#include <cassert>
#include <flat_set>
#include <vector>
#include "test_macros.h"
#include "../../../test_compare.h"
#include "test_allocator.h"
void test() {
{
using C = test_less<int>;
std::vector<int, test_allocator<int>> ks({1, 3, 5, 3, 1}, test_allocator<int>(6));
const int expected[] = {1, 1, 3, 3, 5};
using M = std::flat_multiset<int, C, decltype(ks)>;
auto mo = M(ks, C(5));
auto m = mo;
assert(m.key_comp() == C(5));
assert(std::ranges::equal(m, expected));
auto keys = std::move(m).extract();
assert(keys.get_allocator() == test_allocator<int>(6));
// mo is unchanged
assert(mo.key_comp() == C(5));
assert(std::ranges::equal(mo, expected));
auto keys2 = std::move(mo).extract();
assert(keys2.get_allocator() == test_allocator<int>(6));
}
{
using C = test_less<int>;
using Ks = std::vector<int, other_allocator<int>>;
auto ks = Ks({1, 3, 5, 3, 1}, other_allocator<int>(6));
const int expected[] = {1, 1, 3, 3, 5};
using M = std::flat_multiset<int, C, Ks>;
auto mo = M(Ks(ks, other_allocator<int>(6)), C(5));
auto m = mo;
assert(m.key_comp() == C(5));
assert(std::ranges::equal(m, expected));
auto keys = std::move(m).extract();
assert(keys.get_allocator() == other_allocator<int>(-2));
// mo is unchanged
assert(mo.key_comp() == C(5));
assert(std::ranges::equal(mo, expected));
auto keys2 = std::move(mo).extract();
assert(keys2.get_allocator() == other_allocator<int>(6));
}
}
int main(int, char**) {
test();
return 0;
}