scuffed-code/icu4c/source/test/fuzzer/number_format_fuzzer.cpp

44 lines
1.0 KiB
C++

// © 2019 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// Fuzzer for NumberFormat::parse.
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include "fuzzer_utils.h"
#include "unicode/numfmt.h"
IcuEnvironment* env = new IcuEnvironment();
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
UErrorCode status = U_ZERO_ERROR;
uint16_t rnd = 0;
if (size < 2) {
return 0;
}
rnd = *(reinterpret_cast<const uint16_t *>(data));
data = data + 2;
size = size - 2;
size_t unistr_size = size/2;
std::unique_ptr<char16_t[]> fuzzbuff(new char16_t[unistr_size]);
std::memcpy(fuzzbuff.get(), data, unistr_size * 2);
const icu::Locale& locale = GetRandomLocale(rnd);
std::unique_ptr<icu::NumberFormat> fmt(
icu::NumberFormat::createInstance(locale, status));
if (U_FAILURE(status)) {
return 0;
}
icu::UnicodeString fuzzstr(false, fuzzbuff.get(), unistr_size);
icu::Formattable result;
fmt->parse(fuzzstr, result, status);
return 0;
}