mirror of
https://github.com/llvm-mirror/libcxx.git
synced 2025-10-23 10:07:41 +08:00
28db4445e2
LLVM uses .h as its extension for header files.
Files renamed using:
for f in libcxx/test/support/*.hpp; do git mv $f ${f%.hpp}.h; done
References to the files updated using:
for f in $(git diff master | grep 'rename from' | cut -f 3 -d ' '); do
a=$(basename $f);
echo $a;
rg -l $a libcxx | xargs sed -i '' "s/$a/${a%.hpp}.h/";
done
HPP include guards updated manually using:
for f in $(git diff master | grep 'rename from' | cut -f 3 -d ' '); do
echo ${f%.hpp}.h ;
done | xargs mvim
Differential Revision: https://reviews.llvm.org/D66104
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@369481 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.2 KiB
C++
83 lines
2.2 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
|
|
// <optional>
|
|
|
|
// constexpr optional() noexcept;
|
|
|
|
#include <optional>
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
#include "archetypes.h"
|
|
|
|
using std::optional;
|
|
|
|
template <class Opt>
|
|
void
|
|
test_constexpr()
|
|
{
|
|
static_assert(std::is_nothrow_default_constructible<Opt>::value, "");
|
|
static_assert(std::is_trivially_destructible<Opt>::value, "");
|
|
static_assert(std::is_trivially_destructible<typename Opt::value_type>::value, "");
|
|
|
|
constexpr Opt opt;
|
|
static_assert(static_cast<bool>(opt) == false, "");
|
|
|
|
struct test_constexpr_ctor
|
|
: public Opt
|
|
{
|
|
constexpr test_constexpr_ctor() {}
|
|
};
|
|
}
|
|
|
|
template <class Opt>
|
|
void
|
|
test()
|
|
{
|
|
static_assert(std::is_nothrow_default_constructible<Opt>::value, "");
|
|
static_assert(!std::is_trivially_destructible<Opt>::value, "");
|
|
static_assert(!std::is_trivially_destructible<typename Opt::value_type>::value, "");
|
|
{
|
|
Opt opt;
|
|
assert(static_cast<bool>(opt) == false);
|
|
}
|
|
{
|
|
const Opt opt;
|
|
assert(static_cast<bool>(opt) == false);
|
|
}
|
|
|
|
struct test_constexpr_ctor
|
|
: public Opt
|
|
{
|
|
constexpr test_constexpr_ctor() {}
|
|
};
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
test_constexpr<optional<int>>();
|
|
test_constexpr<optional<int*>>();
|
|
test_constexpr<optional<ImplicitTypes::NoCtors>>();
|
|
test_constexpr<optional<NonTrivialTypes::NoCtors>>();
|
|
test_constexpr<optional<NonConstexprTypes::NoCtors>>();
|
|
test<optional<NonLiteralTypes::NoCtors>>();
|
|
// EXTENSIONS
|
|
#if defined(_LIBCPP_VERSION) && 0 // FIXME these extensions are currently disabled.
|
|
test_constexpr<optional<int&>>();
|
|
test_constexpr<optional<const int&>>();
|
|
test_constexpr<optional<int&>>();
|
|
test_constexpr<optional<NonLiteralTypes::NoCtors&>>();
|
|
test_constexpr<optional<NonLiteralTypes::NoCtors&&>>();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|