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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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// XFAIL: with_system_cxx_lib=macosx10.12
// XFAIL: with_system_cxx_lib=macosx10.11
// XFAIL: with_system_cxx_lib=macosx10.10
// XFAIL: with_system_cxx_lib=macosx10.9
// XFAIL: with_system_cxx_lib=macosx10.7
// XFAIL: with_system_cxx_lib=macosx10.8
// <experimental/any>
// any::swap(any &) noexcept
// Test swap(large, small) and swap(small, large)
#include <experimental/any>
#include <cassert>
#include "experimental_any_helpers.h"
using std::experimental::any;
using std::experimental::any_cast;
template <class LHS, class RHS>
void test_swap() {
assert(LHS::count == 0);
assert(RHS::count == 0);
{
any a1((LHS(1)));
any a2(RHS{2});
assert(LHS::count == 1);
assert(RHS::count == 1);
a1.swap(a2);
assert(LHS::count == 1);
assert(RHS::count == 1);
assertContains<RHS>(a1, 2);
assertContains<LHS>(a2, 1);
}
assert(LHS::count == 0);
assert(RHS::count == 0);
assert(LHS::copied == 0);
assert(RHS::copied == 0);
}
template <class Tp>
void test_swap_empty() {
assert(Tp::count == 0);
{
any a1((Tp(1)));
any a2;
assert(Tp::count == 1);
a1.swap(a2);
assert(Tp::count == 1);
assertContains<Tp>(a2, 1);
assertEmpty(a1);
}
assert(Tp::count == 0);
{
any a1((Tp(1)));
any a2;
assert(Tp::count == 1);
a2.swap(a1);
assert(Tp::count == 1);
assertContains<Tp>(a2, 1);
assertEmpty(a1);
}
assert(Tp::count == 0);
assert(Tp::copied == 0);
}
void test_noexcept()
{
any a1;
any a2;
static_assert(
noexcept(a1.swap(a2))
, "any::swap(any&) must be noexcept"
);
}
int main()
{
test_noexcept();
test_swap_empty<small>();
test_swap_empty<large>();
test_swap<small1, small2>();
test_swap<large1, large2>();
test_swap<small, large>();
test_swap<large, small>();
}
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