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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2019-2020, Intel Corporation */
#include "unittest.hpp"
#include <libpmemobj++/container/string.hpp>
#include <libpmemobj++/make_persistent.hpp>
namespace nvobj = pmem::obj;
using S = pmem::obj::string;
struct root {
nvobj::persistent_ptr<S> s, s1, s2;
};
/**
* Check if access method can be called out of transaction scope
*/
void
check_access_out_of_tx(const S &s)
{
try {
(void)s.empty();
(void)s.size();
(void)s.length();
(void)s.max_size();
(void)s.capacity();
} catch (std::exception &e) {
UT_FATALexc(e);
}
}
/**
* Checks if string's state is reverted when transaction aborts.
*/
void
assert_tx_abort(pmem::obj::pool<struct root> &pop, S &s,
std::function<void(void)> f)
{
bool exception_thrown = false;
try {
nvobj::transaction::run(pop, [&] {
f();
nvobj::transaction::abort(EINVAL);
});
} catch (pmem::manual_tx_abort &) {
exception_thrown = true;
} catch (std::exception &e) {
UT_FATALexc(e);
}
UT_ASSERT(exception_thrown);
}
void
verify_string(const S &s, const S &expected)
{
UT_ASSERT(s == expected);
UT_ASSERT(s.size() == expected.size());
UT_ASSERT(s.capacity() == expected.capacity());
}
void
check_tx_abort(pmem::obj::pool<struct root> &pop, const S &expected)
{
auto r = pop.root();
try {
nvobj::transaction::run(pop, [&] {
r->s = nvobj::make_persistent<S>(expected);
});
auto &s = *r->s;
assert_tx_abort(pop, s, [&] { s.resize(30); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.resize(300); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.resize(30, 'a'); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.resize(300, 'a'); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.reserve(); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.reserve(30); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.reserve(300); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.shrink_to_fit(); });
verify_string(s, expected);
assert_tx_abort(pop, s, [&] { s.clear(); });
verify_string(s, expected);
nvobj::transaction::run(
pop, [&] { nvobj::delete_persistent<S>(r->s); });
} catch (std::exception &e) {
UT_FATALexc(e);
}
}
static void
test(int argc, char *argv[])
{
if (argc < 2) {
UT_FATAL("usage: %s file-name", argv[0]);
}
auto path = argv[1];
auto pop = nvobj::pool<root>::create(
path, "StringTest", PMEMOBJ_MIN_POOL, S_IWUSR | S_IRUSR);
auto r = pop.root();
nvobj::transaction::run(pop, [&] {
r->s1 = nvobj::make_persistent<S>("0123456789");
r->s2 = nvobj::make_persistent<S>(
"0123456789012345678901234567890123456789"
"0123456789012345678901234567890123456789"
"0123456789012345678901234567890123456789"
"0123456789");
});
check_access_out_of_tx(*r->s1);
check_access_out_of_tx(*r->s2);
check_tx_abort(pop, *r->s1);
check_tx_abort(pop, *r->s2);
nvobj::transaction::run(pop, [&] {
nvobj::delete_persistent<S>(r->s1);
nvobj::delete_persistent<S>(r->s2);
});
pop.close();
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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