Bitcoin Core  22.99.0
P2P Digital Currency
span.cpp
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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>
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 
17 {
18  FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
19 
20  std::string str = fuzzed_data_provider.ConsumeBytesAsString(32);
21  const Span<const char> span{str};
22  (void)span.data();
23  (void)span.begin();
24  (void)span.end();
25  if (span.size() > 0) {
26  const std::ptrdiff_t idx = fuzzed_data_provider.ConsumeIntegralInRange<std::ptrdiff_t>(0U, span.size() - 1U);
27  (void)span.first(idx);
28  (void)span.last(idx);
29  (void)span.subspan(idx);
30  (void)span.subspan(idx, span.size() - idx);
31  (void)span[idx];
32  }
33 
34  std::string another_str = fuzzed_data_provider.ConsumeBytesAsString(32);
35  const Span<const char> another_span{another_str};
36  assert((span <= another_span) != (span > another_span));
37  assert((span == another_span) != (span != another_span));
38  assert((span >= another_span) != (span < another_span));
39 }
assert
assert(!tx.IsCoinBase())
util.h
Span
A Span is an object that can refer to a contiguous sequence of objects.
Definition: span.h:92
span.h
FuzzedDataProvider.h
FUZZ_TARGET
FUZZ_TARGET(span)
Definition: span.cpp:16
Span::data
constexpr C * data() const noexcept
Definition: span.h:169
fuzz.h
FuzzedDataProvider
Definition: FuzzedDataProvider.h:31
FuzzedDataProvider::ConsumeBytesAsString
std::string ConsumeBytesAsString(size_t num_bytes)
Definition: FuzzedDataProvider.h:136
FuzzedDataProvider::ConsumeIntegralInRange
T ConsumeIntegralInRange(T min, T max)
Definition: FuzzedDataProvider.h:204