Files
libcxx/test/std/utilities/optional/optional.object/optional.object.observe/value_const_rvalue.pass.cpp
Louis Dionne 4806bce5a8 [libc++] Fix XFAILs on macOS when exceptions are disabled
Some tests are marked as failing on platforms where the dylib does not
provide the required exception classes. However, when testing with
exceptions disabled, those tests shouldn't be marked as failing.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@353210 91177308-0d34-0410-b5e6-96231b3b80d8
2019-02-05 20:11:58 +00:00

69 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// XFAIL: dylib-has-no-bad_optional_access && !libcpp-no-exceptions
// <optional>
// constexpr const T& optional<T>::value() const &&;
#include <optional>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
using std::optional;
using std::in_place_t;
using std::in_place;
using std::bad_optional_access;
struct X
{
X() = default;
X(const X&) = delete;
constexpr int test() const & {return 3;}
int test() & {return 4;}
constexpr int test() const && {return 5;}
int test() && {return 6;}
};
int main(int, char**)
{
{
const optional<X> opt; ((void)opt);
ASSERT_NOT_NOEXCEPT(std::move(opt).value());
ASSERT_SAME_TYPE(decltype(std::move(opt).value()), X const&&);
}
{
constexpr optional<X> opt(in_place);
static_assert(std::move(opt).value().test() == 5, "");
}
{
const optional<X> opt(in_place);
assert(std::move(opt).value().test() == 5);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
{
const optional<X> opt;
try
{
(void)std::move(opt).value();
assert(false);
}
catch (const bad_optional_access&)
{
}
}
#endif
return 0;
}