LCOV - code coverage report
Current view: top level - src/test - system_ram_tests.cpp (source / functions) Coverage Total Hit
Test: total_coverage.info Lines: 75.0 % 8 6
Test Date: 2025-10-04 05:03:45 Functions: 100.0 % 2 2
Branches: 48.5 % 68 33

             Branch data     Line data    Source code
       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>
       6                 :             : #include <test/util/setup_common.h>
       7                 :             : 
       8                 :             : #include <boost/test/unit_test.hpp>
       9                 :             : 
      10                 :             : #include <cstdint>
      11                 :             : #include <optional>
      12                 :             : 
      13                 :             : BOOST_AUTO_TEST_SUITE(system_ram_tests)
      14                 :             : 
      15   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(total_ram)
          +  -  +  -  -  
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                      - ]
      16                 :             : {
      17                 :           1 :     const auto total{GetTotalRAM()};
      18         [ -  + ]:           1 :     if (!total) {
      19         [ #  # ]:           0 :         BOOST_WARN_MESSAGE(false, "skipping total_ram: total RAM unknown");
      20                 :           0 :         return;
      21                 :             :     }
      22                 :             : 
      23         [ +  - ]:           1 :     BOOST_CHECK_GE(*total, 1000_MiB);
      24                 :             : 
      25                 :           1 :     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         [ +  - ]:           1 :         BOOST_CHECK_LT(*total, 10'000'000_MiB); // >10 TiB memory is unlikely
      29                 :             :     }
      30                 :             : }
      31                 :             : 
      32                 :             : BOOST_AUTO_TEST_SUITE_END()
        

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