diff options
Diffstat (limited to 'test/std/experimental/optional/optional.object/optional.object.dtor/dtor.pass.cpp')
-rw-r--r-- | test/std/experimental/optional/optional.object/optional.object.dtor/dtor.pass.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/std/experimental/optional/optional.object/optional.object.dtor/dtor.pass.cpp b/test/std/experimental/optional/optional.object/optional.object.dtor/dtor.pass.cpp new file mode 100644 index 000000000000..2697799f0e5e --- /dev/null +++ b/test/std/experimental/optional/optional.object/optional.object.dtor/dtor.pass.cpp @@ -0,0 +1,59 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <optional> + +// ~optional(); + +#include <experimental/optional> +#include <type_traits> +#include <cassert> + +#if _LIBCPP_STD_VER > 11 + +using std::experimental::optional; + +class X +{ +public: + static bool dtor_called; + X() = default; + ~X() {dtor_called = true;} +}; + +bool X::dtor_called = false; + +#endif // _LIBCPP_STD_VER > 11 + +int main() +{ +#if _LIBCPP_STD_VER > 11 + { + typedef int T; + static_assert(std::is_trivially_destructible<T>::value, ""); + static_assert(std::is_trivially_destructible<optional<T>>::value, ""); + } + { + typedef double T; + static_assert(std::is_trivially_destructible<T>::value, ""); + static_assert(std::is_trivially_destructible<optional<T>>::value, ""); + } + { + typedef X T; + static_assert(!std::is_trivially_destructible<T>::value, ""); + static_assert(!std::is_trivially_destructible<optional<T>>::value, ""); + { + X x; + optional<X> opt{x}; + assert(X::dtor_called == false); + } + assert(X::dtor_called == true); + } +#endif // _LIBCPP_STD_VER > 11 +} |