LCOV - code coverage report
Current view: top level - src/test/fuzz - span.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 2 21 9.5 %
Date: 2023-10-05 12:38:51 Functions: 2 3 66.7 %
Branches: 2 20 10.0 %

           Branch data     Line data    Source code
       1                 :            : // Copyright (c) 2020 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 <span.h>
       6                 :            : #include <test/fuzz/FuzzedDataProvider.h>
       7                 :            : #include <test/fuzz/fuzz.h>
       8                 :            : #include <test/fuzz/util.h>
       9                 :            : 
      10                 :            : #include <cassert>
      11                 :            : #include <cstddef>
      12                 :            : #include <cstdint>
      13                 :            : #include <string>
      14                 :            : #include <vector>
      15                 :            : 
      16         [ -  + ]:          4 : FUZZ_TARGET(span)
      17                 :            : {
      18                 :          0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      19                 :            : 
      20                 :          0 :     std::string str = fuzzed_data_provider.ConsumeBytesAsString(32);
      21         [ #  # ]:          0 :     const Span<const char> span{str};
      22                 :          0 :     (void)span.data();
      23                 :          0 :     (void)span.begin();
      24                 :          0 :     (void)span.end();
      25   [ +  -  #  # ]:          2 :     if (span.size() > 0) {
      26         [ #  # ]:          0 :         const std::ptrdiff_t idx = fuzzed_data_provider.ConsumeIntegralInRange<std::ptrdiff_t>(0U, span.size() - 1U);
      27                 :          0 :         (void)span.first(idx);
      28                 :          0 :         (void)span.last(idx);
      29                 :          0 :         (void)span.subspan(idx);
      30                 :          0 :         (void)span.subspan(idx, span.size() - idx);
      31                 :          0 :         (void)span[idx];
      32                 :          0 :     }
      33                 :            : 
      34         [ #  # ]:          0 :     std::string another_str = fuzzed_data_provider.ConsumeBytesAsString(32);
      35         [ #  # ]:          0 :     const Span<const char> another_span{another_str};
      36         [ #  # ]:          0 :     assert((span <= another_span) != (span > another_span));
      37         [ #  # ]:          0 :     assert((span == another_span) != (span != another_span));
      38         [ #  # ]:          0 :     assert((span >= another_span) != (span < another_span));
      39                 :          0 : }

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