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src/test/fuzz/span.cpp
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// Copyright (c) 2020 The Bitcoin Core developers | |||||
// Distributed under the MIT software license, see the accompanying | |||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php. | |||||
#include <span.h> | |||||
#include <test/fuzz/FuzzedDataProvider.h> | |||||
#include <test/fuzz/fuzz.h> | |||||
#include <test/fuzz/util.h> | |||||
#include <cassert> | |||||
#include <cstddef> | |||||
#include <cstdint> | |||||
#include <string> | |||||
#include <vector> | |||||
void test_one_input(const std::vector<uint8_t> &buffer) { | |||||
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); | |||||
std::string str = fuzzed_data_provider.ConsumeBytesAsString(32); | |||||
const Span<const char> span = MakeSpan(str); | |||||
(void)span.data(); | |||||
(void)span.begin(); | |||||
(void)span.end(); | |||||
if (span.size() > 0) { | |||||
const std::ptrdiff_t idx = | |||||
fuzzed_data_provider.ConsumeIntegralInRange<std::ptrdiff_t>( | |||||
0U, span.size() - 1U); | |||||
(void)span.first(idx); | |||||
(void)span.last(idx); | |||||
(void)span.subspan(idx); | |||||
(void)span.subspan(idx, span.size() - idx); | |||||
(void)span[idx]; | |||||
} | |||||
std::string another_str = fuzzed_data_provider.ConsumeBytesAsString(32); | |||||
const Span<const char> another_span = MakeSpan(another_str); | |||||
assert((span <= another_span) != (span > another_span)); | |||||
assert((span == another_span) != (span != another_span)); | |||||
assert((span >= another_span) != (span < another_span)); | |||||
} |