diff options
Diffstat (limited to 'test/std/utilities/tuple/tuple.tuple/tuple.cnstr/copy.pass.cpp')
-rw-r--r-- | test/std/utilities/tuple/tuple.tuple/tuple.cnstr/copy.pass.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/copy.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/copy.pass.cpp new file mode 100644 index 0000000000000..783c9d1f06a8b --- /dev/null +++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/copy.pass.cpp @@ -0,0 +1,68 @@ +//===----------------------------------------------------------------------===// +// +// 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(const tuple& u) = default; + +// UNSUPPORTED: c++98, c++03 + +#include <tuple> +#include <string> +#include <cassert> + +struct Empty {}; + +int main() +{ + { + typedef std::tuple<> T; + T t0; + T t = t0; + ((void)t); // Prevent unused warning + } + { + typedef std::tuple<int> T; + T t0(2); + T t = t0; + assert(std::get<0>(t) == 2); + } + { + typedef std::tuple<int, char> T; + T t0(2, 'a'); + T t = t0; + assert(std::get<0>(t) == 2); + assert(std::get<1>(t) == 'a'); + } + { + typedef std::tuple<int, char, std::string> T; + const T t0(2, 'a', "some text"); + T t = t0; + assert(std::get<0>(t) == 2); + assert(std::get<1>(t) == 'a'); + assert(std::get<2>(t) == "some text"); + } +#if _LIBCPP_STD_VER > 11 + { + typedef std::tuple<int> T; + constexpr T t0(2); + constexpr T t = t0; + static_assert(std::get<0>(t) == 2, ""); + } + { + typedef std::tuple<Empty> T; + constexpr T t0; + constexpr T t = t0; + constexpr Empty e = std::get<0>(t); + ((void)e); // Prevent unused warning + } +#endif +} |