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Final bit for LWG #2263; test different allocator pointer types. Note that libc++ already does the right thing here; I've just added tests to ensure that it stays this way.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@203539 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2014-03-11 04:32:12 +00:00
parent 6dbaaa99a8
commit 3ebf26f90d
3 changed files with 233 additions and 1 deletions
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116
test/utilities/memory/default.allocator/allocator_pointers.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <memory>
#include <cassert>
#if __cplusplus >= 201103L
// #include <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;
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;
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()
{
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>> ();
}
#else
int main() {}
#endif