Bitcoin Core 29.99.0
P2P Digital Currency
parse_numbers.cpp
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1// Copyright (c) 2009-2021 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 <test/fuzz/fuzz.h>
6#include <util/moneystr.h>
7#include <util/strencodings.h>
8#include <util/string.h>
9
10#include <cassert>
11#include <cstdint>
12#include <optional>
13#include <string>
14
15FUZZ_TARGET(parse_numbers)
16{
17 const std::string random_string(buffer.begin(), buffer.end());
18 {
19 const auto i8{ToIntegral<int8_t>(random_string)};
20 const auto u8{ToIntegral<uint8_t>(random_string)};
21 const auto i16{ToIntegral<int16_t>(random_string)};
22 const auto u16{ToIntegral<uint16_t>(random_string)};
23 const auto i32{ToIntegral<int32_t>(random_string)};
24 const auto u32{ToIntegral<uint32_t>(random_string)};
25 const auto i64{ToIntegral<int64_t>(random_string)};
26 const auto u64{ToIntegral<uint64_t>(random_string)};
27 // Dont check any values, just that each success result must fit into
28 // the one with the largest bit-width.
29 if (i8) {
30 assert(i8 == i64);
31 }
32 if (u8) {
33 assert(u8 == u64);
34 }
35 if (i16) {
36 assert(i16 == i64);
37 }
38 if (u16) {
39 assert(u16 == u64);
40 }
41 if (i32) {
42 assert(i32 == i64);
43 }
44 if (u32) {
45 assert(u32 == u64);
46 }
47 constexpr auto digits{"0123456789"};
48 if (i64) {
49 assert(util::RemovePrefixView(random_string, "-").find_first_not_of(digits) == std::string::npos);
50 }
51 if (u64) {
52 assert(random_string.find_first_not_of(digits) == std::string::npos);
53 }
54 }
55
56 (void)ParseMoney(random_string);
57
58 (void)LocaleIndependentAtoi<int>(random_string);
59
60 int64_t i64;
61 (void)LocaleIndependentAtoi<int64_t>(random_string);
62 (void)ParseFixedPoint(random_string, 3, &i64);
63}
unsigned int u32
unsigned char u8
std::optional< CAmount > ParseMoney(const std::string &money_string)
Parse an amount denoted in full coins.
Definition: moneystr.cpp:45
std::string_view RemovePrefixView(std::string_view str, std::string_view prefix)
Definition: string.h:169
FUZZ_TARGET(parse_numbers)
bool ParseFixedPoint(std::string_view val, int decimals, int64_t *amount_out)
Parse number as fixed point according to JSON number syntax.
assert(!tx.IsCoinBase())