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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Copyright 2018, Intel Corporation
//
// Modified to test pmem::obj containers
//
#include "unittest.hpp"
#include <libpmemobj++/experimental/array.hpp>
namespace pmem_exp = pmem::obj::experimental;
struct NonSwappable {
NonSwappable()
{
}
private:
NonSwappable(NonSwappable const &);
NonSwappable &operator=(NonSwappable const &);
};
using pmem_exp::swap;
template <class Tp>
decltype(swap(std::declval<Tp>(), std::declval<Tp>())) can_swap_imp(int);
template <class Tp>
std::false_type can_swap_imp(...);
template <class Tp>
struct can_swap : std::is_same<decltype(can_swap_imp<Tp>(0)), void> {
};
int
main()
{
START();
{
typedef double T;
typedef pmem_exp::array<T, 3> C;
C c1 = {1, 2, 3.5};
C c2 = {4, 5, 6.5};
swap(c1, c2);
UT_ASSERT(c1.size() == 3);
UT_ASSERT(c1[0] == 4);
UT_ASSERT(c1[1] == 5);
UT_ASSERT(c1[2] == 6.5);
UT_ASSERT(c2.size() == 3);
UT_ASSERT(c2[0] == 1);
UT_ASSERT(c2[1] == 2);
UT_ASSERT(c2[2] == 3.5);
}
{
typedef double T;
typedef pmem_exp::array<T, 0> C;
C c1 = {};
C c2 = {};
swap(c1, c2);
UT_ASSERT(c1.size() == 0);
UT_ASSERT(c2.size() == 0);
}
{
typedef NonSwappable T;
typedef pmem_exp::array<T, 0> C0;
static_assert(can_swap<C0 &>::value, "");
C0 l = {};
C0 r = {};
swap(l, r);
}
return 0;
}
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