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//===----------------------------------------------------------------------===//
//
// 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 2018-2020, Intel Corporation
//
// Modified to test pmem::obj containers
//
#include "unittest.hpp"
#include <libpmemobj++/container/array.hpp>
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
struct NonSwappable {
NonSwappable()
{
}
private:
NonSwappable(NonSwappable const &);
NonSwappable &operator=(NonSwappable const &);
};
using pmem::obj::swap;
template <class Tp>
decltype(swap(std::declval<Tp>(), std::declval<Tp>())) can_swap_imp(int);
template <class Tp>
std::false_type can_swap_imp(...);
template <class Tp>
struct can_swap : std::is_same<decltype(can_swap_imp<Tp>(0)), void> {
};
struct Testcase1 {
typedef double T;
typedef pmem::obj::array<T, 3> C;
C c1 = {{1, 2, 3.5}};
C c2 = {{4, 5, 6.5}};
void
run()
{
swap(c1, c2);
UT_ASSERT(c1.size() == 3);
UT_ASSERT(c1[0] == 4);
UT_ASSERT(c1[1] == 5);
UT_ASSERT(c1[2] == 6.5);
UT_ASSERT(c2.size() == 3);
UT_ASSERT(c2[0] == 1);
UT_ASSERT(c2[1] == 2);
UT_ASSERT(c2[2] == 3.5);
}
};
struct Testcase2 {
typedef double T;
typedef pmem::obj::array<T, 0> C;
C c1 = {{}};
C c2 = {{}};
void
run()
{
swap(c1, c2);
UT_ASSERT(c1.size() == 0);
UT_ASSERT(c2.size() == 0);
}
};
struct Testcase3 {
typedef NonSwappable T;
typedef pmem::obj::array<T, 0> C0;
static_assert(can_swap<C0 &>::value, "");
C0 l = {{}};
C0 r = {{}};
void
run()
{
swap(l, r);
}
};
struct root {
pmem::obj::persistent_ptr<Testcase1> r1;
pmem::obj::persistent_ptr<Testcase2> r2;
pmem::obj::persistent_ptr<Testcase3> r3;
};
void
run(pmem::obj::pool<root> &pop)
{
try {
pmem::obj::transaction::run(pop, [&] {
pop.root()->r1 =
pmem::obj::make_persistent<Testcase1>();
pop.root()->r2 =
pmem::obj::make_persistent<Testcase2>();
pop.root()->r3 =
pmem::obj::make_persistent<Testcase3>();
});
pmem::obj::transaction::run(pop, [&] {
pop.root()->r1->run();
pop.root()->r2->run();
pop.root()->r3->run();
});
} 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];
pmem::obj::pool<root> pop;
try {
pop = pmem::obj::pool<root>::create(
path, "swap.pass", PMEMOBJ_MIN_POOL, S_IWUSR | S_IRUSR);
} catch (...) {
UT_FATAL("!pmemobj_create: %s", path);
}
run(pop);
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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