Bitcoin Core 30.99.0
P2P Digital Currency
system_ram_tests.cpp
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1// Copyright (c) 2025-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or https://opensource.org/license/mit/.
4
5#include <common/system.h>
7
8#include <boost/test/unit_test.hpp>
9
10#include <cstdint>
11#include <optional>
12
13BOOST_AUTO_TEST_SUITE(system_ram_tests)
14
16{
17 const auto total{GetTotalRAM()};
18 if (!total) {
19 BOOST_WARN_MESSAGE(false, "skipping total_ram: total RAM unknown");
20 return;
21 }
22
23 BOOST_CHECK_GE(*total, 1000_MiB);
24
25 if constexpr (SIZE_MAX == UINT64_MAX) {
26 // Upper bound check only on 64-bit: 32-bit systems can reasonably have max memory,
27 // but extremely large values on 64-bit likely indicate detection errors
28 BOOST_CHECK_LT(*total, 10'000'000_MiB); // >10 TiB memory is unlikely
29 }
30}
31
std::optional< size_t > GetTotalRAM()
Return the total RAM available on the current system, if detectable.
Definition: system.cpp:114
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_CASE(total_ram)