test/std/containers/sequences/deque/deque.cons/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++98, c++03

// <deque>

// deque(deque&&);

#include <deque>
#include <cassert>

#include "test_macros.h"
#include "MoveOnly.h"
#include "test_allocator.h"
#include "min_allocator.h"

int main(int, char**)
{
    {
        int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
        int* an = ab + sizeof(ab)/sizeof(ab[0]);
        typedef test_allocator<MoveOnly> A;
        std::deque<MoveOnly, A> c1(A(1));
        for (int* p = ab; p < an; ++p)
            c1.push_back(MoveOnly(*p));
        std::deque<MoveOnly, A> c2(A(2));
        for (int* p = ab; p < an; ++p)
            c2.push_back(MoveOnly(*p));
        A old_a = c1.get_allocator();
        std::deque<MoveOnly, A> c3 = std::move(c1);
        assert(c2 == c3);
        assert(c1.size() == 0);
        assert(c3.get_allocator() == old_a);
        assert(c1.get_allocator() == A(test_alloc_base::moved_value));
    }
    {
        int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
        int* an = ab + sizeof(ab)/sizeof(ab[0]);
        typedef other_allocator<MoveOnly> A;
        std::deque<MoveOnly, A> c1(A(1));
        for (int* p = ab; p < an; ++p)
            c1.push_back(MoveOnly(*p));
        std::deque<MoveOnly, A> c2(A(2));
        for (int* p = ab; p < an; ++p)
            c2.push_back(MoveOnly(*p));
        std::deque<MoveOnly, A> c3 = std::move(c1);
        assert(c2 == c3);
        assert(c1.size() == 0);
        assert(c3.get_allocator() == c1.get_allocator());
    }
    {
        int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
        int* an = ab + sizeof(ab)/sizeof(ab[0]);
        typedef min_allocator<MoveOnly> A;
        std::deque<MoveOnly, A> c1(A{});
        for (int* p = ab; p < an; ++p)
            c1.push_back(MoveOnly(*p));
        std::deque<MoveOnly, A> c2(A{});
        for (int* p = ab; p < an; ++p)
            c2.push_back(MoveOnly(*p));
        std::deque<MoveOnly, A> c3 = std::move(c1);
        assert(c2 == c3);
        assert(c1.size() == 0);
        assert(c3.get_allocator() == c1.get_allocator());
    }

  return 0;
}