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// © 2019 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// Fuzzer for NumberFormat::parse.
#include <cstring>
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <memory>
#include "fuzzer_utils.h"
#include "unicode/choicfmt.h"
#include "unicode/compactdecimalformat.h"
#include "unicode/decimfmt.h"
#include "unicode/numfmt.h"
#include "unicode/rbnf.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);
icu::UnicodeString fuzzstr(false, fuzzbuff.get(), unistr_size);
icu::Formattable result;
std::unique_ptr<icu::NumberFormat> fmt(
icu::NumberFormat::createInstance(locale, status));
if (U_SUCCESS(status)) {
fmt->parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
fmt.reset(icu::NumberFormat::createCurrencyInstance(locale, status));
if (U_SUCCESS(status)) {
fmt->parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
fmt.reset(icu::NumberFormat::createPercentInstance(locale, status));
if (U_SUCCESS(status)) {
fmt->parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
fmt.reset(icu::NumberFormat::createScientificInstance(locale, status));
if (U_SUCCESS(status)) {
fmt->parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
icu::ChoiceFormat cfmt(fuzzstr, status);
if (U_SUCCESS(status)) {
cfmt.parse(fuzzstr, result, status);
}
UParseError perror;
status = U_ZERO_ERROR;
icu::RuleBasedNumberFormat rbfmt(fuzzstr, locale, perror, status);
if (U_SUCCESS(status)) {
rbfmt.parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
icu::DecimalFormat dfmt(fuzzstr, status);
if (U_SUCCESS(status)) {
dfmt.parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
fmt.reset(icu::CompactDecimalFormat::createInstance(locale, UNUM_SHORT, status));
if (U_SUCCESS(status)) {
fmt->parse(fuzzstr, result, status);
}
status = U_ZERO_ERROR;
fmt.reset(icu::CompactDecimalFormat::createInstance(locale, UNUM_LONG, status));
if (U_SUCCESS(status)) {
fmt->parse(fuzzstr, result, status);
}
return 0;
}
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