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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2015-2020, Intel Corporation */
/*
* obj_cpp_ptr.c -- cpp bindings test
*
*/
#include "ptr.hpp"
#include "unittest.hpp"
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/make_persistent_array_atomic.hpp>
#include <libpmemobj++/make_persistent_atomic.hpp>
#include <libpmemobj++/p.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/persistent_ptr_base.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
#define LAYOUT "cpp"
namespace
{
using root = templated_root<nvobj::persistent_ptr, nvobj::persistent_ptr_base>;
/*
* test_ptr_atomic -- verifies the persistent ptr with the atomic C API
*/
void
test_ptr_atomic(nvobj::pool<root> &pop)
{
nvobj::persistent_ptr<foo> pfoo;
try {
nvobj::make_persistent_atomic<foo>(pop, pfoo);
} catch (...) {
UT_ASSERT(0);
}
UT_ASSERTne(pfoo.get(), nullptr);
(*pfoo).bar = TEST_INT;
pop.persist(&pfoo->bar, sizeof(pfoo->bar));
pop.memset_persist(pfoo->arr, TEST_CHAR, sizeof(pfoo->arr));
for (auto c : pfoo->arr) {
UT_ASSERTeq(c, TEST_CHAR);
}
try {
nvobj::delete_persistent_atomic<foo>(pfoo);
pfoo = nullptr;
} catch (...) {
UT_ASSERT(0);
}
UT_ASSERTeq(pfoo.get(), nullptr);
}
/*
* test_offset -- test offset calculation within a hierarchy
*/
void
test_offset(nvobj::pool<root> &pop)
{
struct A {
uint64_t a;
};
struct B {
uint64_t b;
};
struct C : public A, public B {
uint64_t c;
};
try {
nvobj::transaction::run(pop, [] {
auto cptr = nvobj::make_persistent<C>();
nvobj::persistent_ptr<B> bptr = cptr;
UT_ASSERT((bptr.raw().off - cptr.raw().off) ==
sizeof(A));
nvobj::persistent_ptr<B> bptr2;
bptr2 = cptr;
UT_ASSERT((bptr2.raw().off - cptr.raw().off) ==
sizeof(A));
nvobj::persistent_ptr<B> bptr3 =
static_cast<nvobj::persistent_ptr<B>>(cptr);
UT_ASSERT((bptr3.raw().off - cptr.raw().off) ==
sizeof(A));
nvobj::delete_persistent<C>(cptr);
});
} catch (...) {
UT_ASSERT(0);
}
}
void
test_base_ptr_casting(nvobj::pool<root> &pop)
{
auto r = pop.root();
try {
nvobj::transaction::run(pop, [&] {
r->arr[0] = nvobj::make_persistent<foo>();
r->arr[1] = nvobj::make_persistent<int>(TEST_INT);
r->arr[2] = nullptr;
UT_ASSERT(!OID_IS_NULL(r->arr[0].raw()));
UT_ASSERTeq(*(int *)pmemobj_direct(r->arr[1].raw()),
TEST_INT);
UT_ASSERT(OID_IS_NULL(r->arr[2].raw()));
nvobj::persistent_ptr<foo> tmp0 = r->arr[0].raw();
nvobj::persistent_ptr<int> tmp1 = r->arr[1].raw();
nvobj::persistent_ptr<foo> tmp2 = r->arr[2].raw();
nvobj::delete_persistent<foo>(tmp0);
nvobj::delete_persistent<int>(tmp1);
nvobj::delete_persistent<foo>(tmp2);
});
} catch (...) {
UT_ASSERT(0);
}
}
}
static void
test(int argc, char *argv[])
{
if (argc != 2)
UT_FATAL("usage: %s file-name", argv[0]);
const char *path = argv[1];
nvobj::pool<root> pop;
try {
pop = nvobj::pool<root>::create(path, LAYOUT, PMEMOBJ_MIN_POOL,
S_IWUSR | S_IRUSR);
} catch (pmem::pool_error &pe) {
UT_FATAL("!pool::create: %s %s", pe.what(), path);
}
test_root_pointers<nvobj::persistent_ptr, nvobj::persistent_ptr_base>(
*pop.root());
test_ptr_operators_null<nvobj::persistent_ptr>();
test_ptr_atomic(pop);
test_ptr_transactional(pop);
test_ptr_array(pop);
test_offset(pop);
test_base_ptr_casting(pop);
pop.close();
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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