diff options
Diffstat (limited to 'test/std/utilities/utility/pairs/pairs.pair/piecewise.pass.cpp')
-rw-r--r-- | test/std/utilities/utility/pairs/pairs.pair/piecewise.pass.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/std/utilities/utility/pairs/pairs.pair/piecewise.pass.cpp b/test/std/utilities/utility/pairs/pairs.pair/piecewise.pass.cpp new file mode 100644 index 0000000000000..42a2666dd04b4 --- /dev/null +++ b/test/std/utilities/utility/pairs/pairs.pair/piecewise.pass.cpp @@ -0,0 +1,35 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <utility> + +// template <class T1, class T2> struct pair + +// template <class... Args1, class... Args2> +// pair(piecewise_construct_t, tuple<Args1...> first_args, +// tuple<Args2...> second_args); + +#include <utility> +#include <tuple> +#include <cassert> + +int main() +{ +#ifndef _LIBCPP_HAS_NO_VARIADICS + { + typedef std::pair<int, int*> P1; + typedef std::pair<int*, int> P2; + typedef std::pair<P1, P2> P3; + P3 p3(std::piecewise_construct, std::tuple<int, int*>(3, nullptr), + std::tuple<int*, int>(nullptr, 4)); + assert(p3.first == P1(3, nullptr)); + assert(p3.second == P2(nullptr, 4)); + } +#endif // _LIBCPP_HAS_NO_VARIADICS +} |