parse_iso8601.cpp

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// Copyright (c) 2019-2021 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 <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <util/time.h>
 
#include <cassert>
#include <cstdint>
#include <string>
#include <vector>
 
FUZZ_TARGET(parse_iso8601)
{
    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
 
    const int64_t random_time = fuzzed_data_provider.ConsumeIntegral<int32_t>();
    const std::string random_string = fuzzed_data_provider.ConsumeRemainingBytesAsString();
 
    const std::string iso8601_datetime = FormatISO8601DateTime(random_time);
    (void)FormatISO8601Date(random_time);
    const int64_t parsed_time_1 = ParseISO8601DateTime(iso8601_datetime);
    if (random_time >= 0) {
        assert(parsed_time_1 >= 0);
        if (iso8601_datetime.length() == 20) {
            assert(parsed_time_1 == random_time);
        }
    }
 
    const int64_t parsed_time_2 = ParseISO8601DateTime(random_string);
    assert(parsed_time_2 >= 0);
}