diff options
Diffstat (limited to 'test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.fail.cpp')
-rw-r--r-- | test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.fail.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.fail.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.fail.cpp new file mode 100644 index 0000000000000..490283e7abdd0 --- /dev/null +++ b/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.fail.cpp @@ -0,0 +1,41 @@ +//===----------------------------------------------------------------------===// +// +// 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; + +// template <size_t I, class... Types> +// typename tuple_element<I, tuple<Types...> >::type const& +// get(const tuple<Types...>& t); + +// UNSUPPORTED: c++98, c++03 + +#include <tuple> +#include <string> +#include <cassert> + +int main() +{ + { + typedef std::tuple<double&, std::string, int> T; + double d = 1.5; + const T t(d, "high", 5); + assert(std::get<0>(t) == 1.5); + assert(std::get<1>(t) == "high"); + assert(std::get<2>(t) == 5); + std::get<0>(t) = 2.5; + assert(std::get<0>(t) == 2.5); + assert(std::get<1>(t) == "high"); + assert(std::get<2>(t) == 5); + assert(d == 2.5); + + std::get<1>(t) = "four"; + } +} |