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ICU-22549 Add Fuzzer for TimeZone

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Frank Tang 2023-11-17 15:28:32 -08:00 • committed by Frank Yung-Fong Tang
parent e8e19454da
commit 83327fb92c
2 changed files with 42 additions and 0 deletions
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2
icu4c/source/test/fuzzer/Makefile.in
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@ -45,6 +45,7 @@ FUZZER_TARGETS = \
number_formatter_fuzzer \
relative_date_time_formatter_fuzzer \
rule_based_break_iterator_fuzzer \
timezone_create_fuzzer \
ucasemap_fuzzer \
uloc_canonicalize_fuzzer \
uloc_for_language_tag_fuzzer \
@ -56,6 +57,7 @@ FUZZER_TARGETS = \
uprop_fuzzer \
uregex_open_fuzzer \
OBJECTS = $(FUZZER_TARGETS:%=%.o)
OBJECTS += fuzzer_driver.o locale_util.o

40
icu4c/source/test/fuzzer/timezone_create_fuzzer.cpp Normal file
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@ -0,0 +1,40 @@
// © 2023 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include <cstring>
#include "fuzzer_utils.h"
#include "unicode/localpointer.h"
#include "unicode/timezone.h"
IcuEnvironment* env = new IcuEnvironment();
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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);
icu::UnicodeString fuzzstr(false, fuzzbuff.get(), unistr_size);
icu::LocalPointer<icu::TimeZone> tz(
icu::TimeZone::createTimeZone(fuzzstr));
icu::TimeZone::getEquivalentID(fuzzstr, size);
icu::UnicodeString output;
UErrorCode status = U_ZERO_ERROR;
UBool system;
icu::TimeZone::getCanonicalID(fuzzstr, output, system, status);
status = U_ZERO_ERROR;
icu::TimeZone::getIanaID(fuzzstr, output, status);
status = U_ZERO_ERROR;
icu::TimeZone::getWindowsID(fuzzstr, output, status);
status = U_ZERO_ERROR;
icu::TimeZone::getRegion(fuzzstr, status);
return 0;
}