Eric Fiselier f063052fe1 [libcxx] Mark most tuple tests UNSUPPORTED for c++03 and c++98.
Summary: No declaration for the type `tuple` is given in c++03 or c++98 modes. Mark all tests that use the actual `tuple` type as UNSUPPORTED.

Reviewers: jroelofs, mclow.lists, danalbert

Reviewed By: danalbert

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D5956

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@229808 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-19 02:10:42 +00:00

74 lines
1.9 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// tuple(tuple&& u);
// UNSUPPORTED: c++98, c++03
#include <tuple>
#include <utility>
#include <cassert>
#include "MoveOnly.h"
struct ConstructsWithTupleLeaf
{
ConstructsWithTupleLeaf() {}
ConstructsWithTupleLeaf(ConstructsWithTupleLeaf const &) { assert(false); }
ConstructsWithTupleLeaf(ConstructsWithTupleLeaf &&) {}
template <class T>
ConstructsWithTupleLeaf(T t)
{ assert(false); }
};
int main()
{
{
typedef std::tuple<> T;
T t0;
T t = std::move(t0);
((void)t); // Prevent unused warning
}
{
typedef std::tuple<MoveOnly> T;
T t0(MoveOnly(0));
T t = std::move(t0);
assert(std::get<0>(t) == 0);
}
{
typedef std::tuple<MoveOnly, MoveOnly> T;
T t0(MoveOnly(0), MoveOnly(1));
T t = std::move(t0);
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == 1);
}
{
typedef std::tuple<MoveOnly, MoveOnly, MoveOnly> T;
T t0(MoveOnly(0), MoveOnly(1), MoveOnly(2));
T t = std::move(t0);
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == 1);
assert(std::get<2>(t) == 2);
}
// A bug in tuple caused __tuple_leaf to use its explicit converting constructor
// as its move constructor. This tests that ConstructsWithTupleLeaf is not called
// (w/ __tuple_leaf)
{
typedef std::tuple<ConstructsWithTupleLeaf> d_t;
d_t d((ConstructsWithTupleLeaf()));
d_t d2(static_cast<d_t &&>(d));
}
}