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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
//
//===----------------------------------------------------------------------===//
// <map>
// class map
// size_type max_size() const;
#include <type_traits>
#include "map_wrapper.hpp"
#include "unittest.hpp"
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
namespace nvobj = pmem::obj;
namespace nvobjex = pmem::obj::experimental;
using container = container_t<char, int>;
struct root {
nvobj::persistent_ptr<container> s;
};
template <class Alloc>
inline typename std::allocator_traits<Alloc>::size_type
alloc_max_size(Alloc const &a)
{
typedef std::allocator_traits<Alloc> AT;
return AT::max_size(a);
}
int
run(pmem::obj::pool<root> &pop)
{
auto robj = pop.root();
#ifdef XXX // XXX: Implement limited_allocator
typedef std::pair<const int, int> KV;
{
typedef limited_allocator<KV, 10> A;
typedef std::map<int, int, std::less<int>, A> C;
C c;
UT_ASSERT(c.max_size() <= 10);
LIBCPP_ASSERT(c.max_size() == 10);
}
{
typedef limited_allocator<KV, (size_t)-1> A;
typedef std::map<int, int, std::less<int>, A> C;
const C::size_type max_dist = static_cast<C::size_type>(
std::numeric_limits<C::difference_type>::max());
C c;
UT_ASSERT(c.max_size() <= max_dist);
LIBCPP_ASSERT(c.max_size() == max_dist);
}
#endif
{
typedef container C;
const C::size_type max_dist = static_cast<C::size_type>(
std::numeric_limits<C::difference_type>::max());
pmem::obj::transaction::run(
pop, [&] { robj->s = nvobj::make_persistent<C>(); });
auto &c = *robj->s;
UT_ASSERT(c.max_size() <= max_dist);
pmem::obj::transaction::run(
pop, [&] { nvobj::delete_persistent<C>(robj->s); });
}
return 0;
}
static void
test(int argc, char *argv[])
{
if (argc != 2)
UT_FATAL("usage: %s file-name", argv[0]);
const char *path = argv[1];
pmem::obj::pool<root> pop;
try {
pop = pmem::obj::pool<root>::create(path, "max_size.pass",
PMEMOBJ_MIN_POOL,
S_IWUSR | S_IRUSR);
} catch (...) {
UT_FATAL("!pmemobj_create: %s", path);
}
try {
run(pop);
pop.close();
} catch (std::exception &e) {
UT_FATALexc(e);
}
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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