c360553c15
Now that Lit supports regular expressions inside XFAIL & friends, it is much easier to write Lit annotations based on the triple. Differential Revision: https://reviews.llvm.org/D104747
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14
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// Throwing bad_optional_access is supported starting in macosx10.13
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// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12}} && !no-exceptions
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// <optional>
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//
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// template <class T>
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// constexpr optional<decay_t<T>> make_optional(T&& v);
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#include <optional>
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#include <string>
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#include <memory>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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using std::optional;
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using std::make_optional;
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{
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int arr[10]; ((void)arr);
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ASSERT_SAME_TYPE(decltype(make_optional(arr)), optional<int*>);
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}
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{
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constexpr auto opt = make_optional(2);
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ASSERT_SAME_TYPE(decltype(opt), const optional<int>);
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static_assert(opt.value() == 2);
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}
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{
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optional<int> opt = make_optional(2);
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assert(*opt == 2);
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}
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{
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std::string s("123");
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optional<std::string> opt = make_optional(s);
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assert(*opt == s);
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}
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{
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std::unique_ptr<int> s(new int(3));
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optional<std::unique_ptr<int>> opt = make_optional(std::move(s));
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assert(**opt == 3);
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assert(s == nullptr);
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}
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return 0;
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}
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