//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Copyright 2019-2020, Intel Corporation
//
// Modified to test pmem::obj containers
//

#include "unittest.hpp"

#include <libpmemobj++/container/string.hpp>

namespace nvobj = pmem::obj;

using C = pmem::obj::string;

struct root {
	nvobj::persistent_ptr<C> s1, s2;
};

template <class S>
void
test(S &s)
{
	const S &cs = s;
	typename S::reverse_iterator b = s.rbegin();
	typename S::const_reverse_iterator cb = cs.rbegin();
	if (!s.empty()) {
		UT_ASSERT(*b == s.back());
	}
	UT_ASSERT(b == cb);
}

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();

	try {
		nvobj::transaction::run(pop, [&] {
			r->s1 = nvobj::make_persistent<C>();
			r->s2 = nvobj::make_persistent<C>("123");
		});

		test(*r->s1);
		test(*r->s2);

		nvobj::transaction::run(pop, [&] {
			nvobj::delete_persistent<C>(r->s1);
			nvobj::delete_persistent<C>(r->s2);
		});
	} catch (std::exception &e) {
		UT_FATALexc(e);
	}

	pop.close();
}

int
main(int argc, char *argv[])
{
	return run_test([&] { test(argc, argv); });
}
