1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2018-2020, Intel Corporation */
/*
* detail_common.cpp -- detail/common.hpp functions tests
*/
#include "unittest.hpp"
#include <libpmemobj++/detail/common.hpp>
void
test_next_pow_2()
{
UT_ASSERT(1 == pmem::detail::next_pow_2(0U));
UT_ASSERT(1 == pmem::detail::next_pow_2(1U));
UT_ASSERT(2 == pmem::detail::next_pow_2(2U));
UT_ASSERT(4 == pmem::detail::next_pow_2(3U));
UT_ASSERT(4096 == pmem::detail::next_pow_2(2507U));
UT_ASSERT(1 == pmem::detail::next_pow_2(static_cast<uint64_t>(0)));
UT_ASSERT(1 == pmem::detail::next_pow_2(static_cast<uint64_t>(1)));
UT_ASSERT(2 == pmem::detail::next_pow_2(static_cast<uint64_t>(2)));
UT_ASSERT(4 == pmem::detail::next_pow_2(static_cast<uint64_t>(3)));
UT_ASSERT(4096 ==
pmem::detail::next_pow_2(static_cast<uint64_t>(2507)));
UT_ASSERT(1ULL << 32 ==
pmem::detail::next_pow_2(static_cast<uint64_t>(1ULL << 32)));
UT_ASSERT(1ULL << 33 ==
pmem::detail::next_pow_2(
static_cast<uint64_t>((1ULL << 32) + 1)));
UT_ASSERT(1ULL << 50 ==
pmem::detail::next_pow_2(static_cast<uint64_t>(
(1ULL << 49) + (1ULL << 38) + (1ULL << 17) + 2507)));
}
int
main(int argc, char *argv[])
{
return run_test([&] { test_next_pow_2(); });
}
|
