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// © 2023 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// Fuzzer for TimeZoneNames.
#include <cstring>
#include "fuzzer_utils.h"
#include "unicode/tznames.h"
#include "unicode/locid.h"
void TestNames(icu::TimeZoneNames* names, const icu::UnicodeString& text, UDate date, UTimeZoneNameType type) {
UErrorCode status = U_ZERO_ERROR;
std::unique_ptr<icu::StringEnumeration> enumeration(
names->getAvailableMetaZoneIDs(status));
status = U_ZERO_ERROR;
enumeration.reset(
names->getAvailableMetaZoneIDs(text, status));
icu::UnicodeString output;
names->getMetaZoneID(text, date, output);
names->getMetaZoneDisplayName(text, type, output);
names->getTimeZoneDisplayName(text, type, output);
names->getExemplarLocationName(text, output);
names->getDisplayName(text, type, date, output);
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
uint16_t rnd;
UDate date;
UTimeZoneNameType type;
if (size < sizeof(rnd) + sizeof(date) + sizeof(type)) return 0;
icu::StringPiece fuzzData(reinterpret_cast<const char *>(data), size);
std::memcpy(&rnd, fuzzData.data(), sizeof(rnd));
icu::Locale locale = GetRandomLocale(rnd);
fuzzData.remove_prefix(sizeof(rnd));
std::memcpy(&date, fuzzData.data(), sizeof(date));
fuzzData.remove_prefix(sizeof(date));
std::memcpy(&type, fuzzData.data(), sizeof(type));
fuzzData.remove_prefix(sizeof(type));
size_t len = fuzzData.size() / sizeof(char16_t);
icu::UnicodeString text(false, reinterpret_cast<const char16_t*>(fuzzData.data()), len);
UErrorCode status = U_ZERO_ERROR;
std::unique_ptr<icu::TimeZoneNames> names(
icu::TimeZoneNames::createInstance(locale, status));
if (U_SUCCESS(status)) {
TestNames(names.get(), text, date, type);
}
status = U_ZERO_ERROR;
names.reset(
icu::TimeZoneNames::createTZDBInstance(locale, status));
if (U_SUCCESS(status)) {
TestNames(names.get(), text, date, type);
}
return EXIT_SUCCESS;
}
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