llvm/libcxx/test/std/containers/sequences/vector/vector.cons/assign_move.pass.cpp

//===----------------------------------------------------------------------===//
//
// 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 && !stdlib=libc++

// <vector>

// vector& operator=(vector&& c);

#include <vector>
#include <cassert>
#include "test_macros.h"
#include "MoveOnly.h"
#include "test_allocator.h"
#include "min_allocator.h"
#include "asan_testing.h"

TEST_CONSTEXPR_CXX20 bool tests() {
    {
        std::vector<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
        std::vector<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
        for (int i = 1; i <= 3; ++i)
        {
            l.push_back(i);
            lo.push_back(i);
        }
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        std::vector<MoveOnly, test_allocator<MoveOnly> > l2(test_allocator<MoveOnly>(5));
        l2 = std::move(l);
        assert(l2 == lo);
        assert(l.empty());
        assert(l2.get_allocator() == lo.get_allocator());
        assert(is_contiguous_container_asan_correct(l2));
    }
    {
        std::vector<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
        std::vector<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        for (int i = 1; i <= 3; ++i)
        {
            l.push_back(i);
            lo.push_back(i);
        }
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        std::vector<MoveOnly, test_allocator<MoveOnly> > l2(test_allocator<MoveOnly>(6));
        l2 = std::move(l);
        assert(l2 == lo);
        assert(!l.empty());
        assert(l2.get_allocator() == test_allocator<MoveOnly>(6));
        assert(is_contiguous_container_asan_correct(l2));
    }
    {
        std::vector<MoveOnly, other_allocator<MoveOnly> > l(other_allocator<MoveOnly>(5));
        std::vector<MoveOnly, other_allocator<MoveOnly> > lo(other_allocator<MoveOnly>(5));
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        for (int i = 1; i <= 3; ++i)
        {
            l.push_back(i);
            lo.push_back(i);
        }
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        std::vector<MoveOnly, other_allocator<MoveOnly> > l2(other_allocator<MoveOnly>(6));
        l2 = std::move(l);
        assert(l2 == lo);
        assert(l.empty());
        assert(l2.get_allocator() == lo.get_allocator());
        assert(is_contiguous_container_asan_correct(l2));
    }
    {
        std::vector<MoveOnly, min_allocator<MoveOnly> > l((min_allocator<MoveOnly>()));
        std::vector<MoveOnly, min_allocator<MoveOnly> > lo((min_allocator<MoveOnly>()));
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        for (int i = 1; i <= 3; ++i)
        {
            l.push_back(i);
            lo.push_back(i);
        }
        assert(is_contiguous_container_asan_correct(l));
        assert(is_contiguous_container_asan_correct(lo));
        std::vector<MoveOnly, min_allocator<MoveOnly> > l2((min_allocator<MoveOnly>()));
        l2 = std::move(l);
        assert(l2 == lo);
        assert(l.empty());
        assert(l2.get_allocator() == lo.get_allocator());
        assert(is_contiguous_container_asan_correct(l2));
    }
    {
      std::vector<MoveOnly, safe_allocator<MoveOnly> > l((safe_allocator<MoveOnly>()));
      std::vector<MoveOnly, safe_allocator<MoveOnly> > lo((safe_allocator<MoveOnly>()));
      assert(is_contiguous_container_asan_correct(l));
      assert(is_contiguous_container_asan_correct(lo));
      for (int i = 1; i <= 3; ++i) {
        l.push_back(i);
        lo.push_back(i);
      }
      assert(is_contiguous_container_asan_correct(l));
      assert(is_contiguous_container_asan_correct(lo));
      std::vector<MoveOnly, safe_allocator<MoveOnly> > l2((safe_allocator<MoveOnly>()));
      l2 = std::move(l);
      assert(l2 == lo);
      assert(l.empty());
      assert(l2.get_allocator() == lo.get_allocator());
      assert(is_contiguous_container_asan_correct(l2));
    }

    return true;
}

int main(int, char**)
{
    tests();
#if TEST_STD_VER > 17
    static_assert(tests());
#endif
    return 0;
}