diff options
Diffstat (limited to 'test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp')
-rw-r--r-- | test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp new file mode 100644 index 0000000000000..0cda96846f717 --- /dev/null +++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/move.pass.cpp @@ -0,0 +1,73 @@ +//===----------------------------------------------------------------------===// +// +// 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)); + } +} |