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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
//
//===----------------------------------------------------------------------===//
//
// Copyright 2020, Intel Corporation
//
// Modified to test pmem::obj containers
//
// <map>
// class map
// explicit map(const key_compare& comp);
// key_compare key_comp() const;
#include "map_wrapper.hpp"
#include "unittest.hpp"
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/p.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
namespace nvobj = pmem::obj;
namespace nvobjex = pmem::obj::experimental;
template <class C>
class test_compare : private C {
nvobj::p<int> data_;
public:
explicit test_compare(int data = 0) : data_(data)
{
}
typename C::result_type
operator()(
typename std::add_lvalue_reference<
const typename C::first_argument_type>::type x,
typename std::add_lvalue_reference<
const typename C::second_argument_type>::type y) const
{
return C::operator()(x, y);
}
bool
operator==(const test_compare &c) const
{
return data_ == c.data_;
}
};
template <class C>
class non_const_compare {
// operator() deliberately not marked as 'const'
bool
operator()(const C &x, const C &y)
{
return x < y;
}
};
typedef test_compare<std::less<int>> C;
using CM = container_t<int, double, C>;
struct root {
nvobj::persistent_ptr<CM> s;
};
int
run(pmem::obj::pool<root> &pop)
{
auto robj = pop.root();
{
pmem::obj::transaction::run(pop, [&] {
robj->s = nvobj::make_persistent<CM>(C(3));
});
auto &m = *robj->s;
UT_ASSERT(m.empty());
UT_ASSERT(m.begin() == m.end());
UT_ASSERT(m.key_comp() == C(3));
pmem::obj::transaction::run(
pop, [&] { nvobj::delete_persistent<CM>(robj->s); });
}
#ifdef XXX // XXX: implement min_allocator
{
typedef test_compare<std::less<int>> C;
const std::map<int, double, C,
min_allocator<std::pair<const int, double>>>
m(C(3));
UT_ASSERT(m.empty());
UT_ASSERT(m.begin() == m.end());
UT_ASSERT(m.key_comp() == C(3));
}
#endif
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, "compare.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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