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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2019-2020, Intel Corporation */
/*
* temp_value.c -- temp_value caching struct test
*/
#include "unittest.hpp"
#include <libpmemobj++/detail/temp_value.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
#include <libpmemobj/pool_base.h>
namespace nvobj = pmem::obj;
namespace det = pmem::detail;
const unsigned big_stack_alloc =
LIBPMEMOBJ_CPP_MAX_STACK_ALLOC_SIZE / sizeof(int) + 1;
struct root {
};
struct test_small {
test_small() noexcept {};
test_small(int a){}; /* may throw */
};
struct test_big {
int a[big_stack_alloc];
test_big() noexcept {};
test_big(int a){}; /* may throw */
};
using temp_noexcept_small = det::temp_value<test_small, noexcept(test_small())>;
using temp_throw_small = det::temp_value<test_small, noexcept(test_small(1))>;
using temp_noexcept_big = det::temp_value<test_big, noexcept(test_big())>;
using temp_throw_big = det::temp_value<test_big, noexcept(test_big(1))>;
template <typename T>
bool
is_pmem(T &ptr)
{
return nullptr != pmemobj_pool_by_ptr(static_cast<void *>(&ptr));
}
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<struct root>::create(path, "temp_value test",
PMEMOBJ_MIN_POOL,
S_IWUSR | S_IRUSR);
} catch (pmem::pool_error &pe) {
UT_FATAL("!pool::create: %s %s", pe.what(), path);
}
try {
nvobj::transaction::run(pop, [&] {
temp_noexcept_small tmp1;
UT_ASSERT(!is_pmem<test_small>(tmp1.get()));
temp_throw_small tmp2;
UT_ASSERT(is_pmem<test_small>(tmp2.get()));
temp_noexcept_big tmp3;
UT_ASSERT(is_pmem<test_big>(tmp3.get()));
temp_throw_big tmp4;
UT_ASSERT(is_pmem<test_big>(tmp3.get()));
});
} catch (std::exception &e) {
UT_FATALexc(e);
}
pop.close();
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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