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//===----------------------------------------------------------------------===//
//
// 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++03
#include <memory>
#include <cassert>
#include "test_macros.h"
// <memory>
//
// template <class Alloc>
// struct allocator_traits
// {
// typedef Alloc allocator_type;
// typedef typename allocator_type::value_type
// value_type;
//
// typedef Alloc::pointer | value_type* pointer;
// typedef Alloc::const_pointer
// | pointer_traits<pointer>::rebind<const value_type>
// const_pointer;
// typedef Alloc::void_pointer
// | pointer_traits<pointer>::rebind<void>
// void_pointer;
// typedef Alloc::const_void_pointer
// | pointer_traits<pointer>::rebind<const void>
// const_void_pointer;
template <typename Alloc>
void test_pointer()
{
typename std::allocator_traits<Alloc>::pointer vp;
typename std::allocator_traits<Alloc>::const_pointer cvp;
((void)vp); // Prevent unused warning
((void)cvp); // Prevent unused warning
static_assert(std::is_same<bool, decltype( vp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp >= vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp < vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp <= vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp == cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp > vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp >= cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp >= vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp < cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp < vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp <= cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp <= vp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp == cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp != cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp > cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp >= cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp < cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp <= cvp)>::value, "");
}
template <typename Alloc>
void test_void_pointer()
{
typename std::allocator_traits<Alloc>::void_pointer vp;
typename std::allocator_traits<Alloc>::const_void_pointer cvp;
((void)vp); // Prevent unused warning
((void)cvp); // Prevent unused warning
static_assert(std::is_same<bool, decltype( vp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp >= vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp < vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp <= vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp == cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp > vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp >= cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp >= vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp < cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp < vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp <= cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp <= vp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp == cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp != cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp > cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp >= cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp < cvp)>::value, "");
static_assert(std::is_same<bool, decltype(cvp <= cvp)>::value, "");
}
struct Foo { int x; };
int main(int, char**)
{
test_pointer<std::allocator<char>> ();
test_pointer<std::allocator<int>> ();
test_pointer<std::allocator<Foo>> ();
test_void_pointer<std::allocator<char>> ();
test_void_pointer<std::allocator<int>> ();
test_void_pointer<std::allocator<Foo>> ();
return 0;
}
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