83 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9 10// __libcpp_is_referenceable<Tp>11//12// [defns.referenceable] defines "a referenceable type" as:13// An object type, a function type that does not have cv-qualifiers14// or a ref-qualifier, or a reference type.15//16 17#include <type_traits>18#include <cassert>19 20#include "test_macros.h"21 22struct Foo {};23 24static_assert((!std::__libcpp_is_referenceable<void>::value), "");25static_assert((std::__libcpp_is_referenceable<int>::value), "");26static_assert((std::__libcpp_is_referenceable<int[3]>::value), "");27static_assert((std::__libcpp_is_referenceable<int[]>::value), "");28static_assert((std::__libcpp_is_referenceable<int&>::value), "");29static_assert((std::__libcpp_is_referenceable<const int&>::value), "");30static_assert((std::__libcpp_is_referenceable<int*>::value), "");31static_assert((std::__libcpp_is_referenceable<const int*>::value), "");32static_assert((std::__libcpp_is_referenceable<Foo>::value), "");33static_assert((std::__libcpp_is_referenceable<const Foo>::value), "");34static_assert((std::__libcpp_is_referenceable<Foo&>::value), "");35static_assert((std::__libcpp_is_referenceable<const Foo&>::value), "");36 37static_assert((std::__libcpp_is_referenceable<int __attribute__((__vector_size__(8)))>::value), "");38static_assert((std::__libcpp_is_referenceable<const int __attribute__((__vector_size__(8)))>::value), "");39static_assert((std::__libcpp_is_referenceable<float __attribute__((__vector_size__(16)))>::value), "");40static_assert((std::__libcpp_is_referenceable<const float __attribute__((__vector_size__(16)))>::value), "");41 42// Functions without cv-qualifiers are referenceable43static_assert((std::__libcpp_is_referenceable<void()>::value), "");44 45static_assert((std::__libcpp_is_referenceable<void(int)>::value), "");46 47static_assert((std::__libcpp_is_referenceable<void(int, float)>::value), "");48 49static_assert((std::__libcpp_is_referenceable<void(int, float, Foo&)>::value), "");50 51static_assert((std::__libcpp_is_referenceable<void(...)>::value), "");52 53static_assert((std::__libcpp_is_referenceable<void(int, ...)>::value), "");54 55static_assert((std::__libcpp_is_referenceable<void(int, float, ...)>::value), "");56 57static_assert((std::__libcpp_is_referenceable<void(int, float, Foo&, ...)>::value), "");58 59// member functions with or without cv-qualifiers are referenceable60static_assert((std::__libcpp_is_referenceable<void (Foo::*)()>::value), "");61static_assert((std::__libcpp_is_referenceable<void (Foo::*)() const>::value), "");62 63static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int)>::value), "");64static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int) const>::value), "");65 66static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float)>::value), "");67static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float) const>::value), "");68 69static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&)>::value), "");70static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&) const>::value), "");71 72static_assert((std::__libcpp_is_referenceable<void (Foo::*)(...)>::value), "");73static_assert((std::__libcpp_is_referenceable<void (Foo::*)(...) const>::value), "");74 75static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, ...)>::value), "");76static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, ...) const>::value), "");77 78static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, ...)>::value), "");79static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, ...) const>::value), "");80 81static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&, ...)>::value), "");82static_assert((std::__libcpp_is_referenceable<void (Foo::*)(int, float, Foo&, ...) const>::value), "");83