LCOV - code coverage report
Current view: top level - src/test/fuzz - load_external_block_file.cpp (source / functions) Coverage Total Hit
Test: fuzz_coverage.info Lines: 100.0 % 17 17
Test Date: 2024-12-04 04:00:22 Functions: 100.0 % 3 3
Branches: 60.0 % 20 12

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2020-2021 The Bitcoin Core developers
       2                 :             : // Distributed under the MIT software license, see the accompanying
       3                 :             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4                 :             : 
       5                 :             : #include <chainparams.h>
       6                 :             : #include <clientversion.h>
       7                 :             : #include <flatfile.h>
       8                 :             : #include <test/fuzz/FuzzedDataProvider.h>
       9                 :             : #include <test/fuzz/fuzz.h>
      10                 :             : #include <test/fuzz/util.h>
      11                 :             : #include <test/util/setup_common.h>
      12                 :             : #include <validation.h>
      13                 :             : 
      14                 :             : #include <cstdint>
      15                 :             : #include <vector>
      16                 :             : 
      17                 :             : namespace {
      18                 :             : const TestingSetup* g_setup;
      19                 :             : } // namespace
      20                 :             : 
      21                 :           1 : void initialize_load_external_block_file()
      22                 :             : {
      23   [ +  -  +  - ]:           2 :     static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
      24                 :           1 :     g_setup = testing_setup.get();
      25         [ +  - ]:           2 : }
      26                 :             : 
      27         [ +  - ]:        1021 : FUZZ_TARGET(load_external_block_file, .init = initialize_load_external_block_file)
      28                 :             : {
      29                 :         609 :     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
      30                 :         609 :     FuzzedFileProvider fuzzed_file_provider{fuzzed_data_provider};
      31         [ +  - ]:         609 :     AutoFile fuzzed_block_file{fuzzed_file_provider.open()};
      32         [ +  + ]:         609 :     if (fuzzed_block_file.IsNull()) {
      33                 :           2 :         return;
      34                 :             :     }
      35         [ +  + ]:         607 :     if (fuzzed_data_provider.ConsumeBool()) {
      36                 :             :         // Corresponds to the -reindex case (track orphan blocks across files).
      37                 :          60 :         FlatFilePos flat_file_pos;
      38         [ +  - ]:          60 :         std::multimap<uint256, FlatFilePos> blocks_with_unknown_parent;
      39         [ +  - ]:          60 :         g_setup->m_node.chainman->LoadExternalBlockFile(fuzzed_block_file, &flat_file_pos, &blocks_with_unknown_parent);
      40                 :          60 :     } else {
      41                 :             :         // Corresponds to the -loadblock= case (orphan blocks aren't tracked across files).
      42         [ +  - ]:         547 :         g_setup->m_node.chainman->LoadExternalBlockFile(fuzzed_block_file);
      43                 :             :     }
      44                 :         609 : }
        

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