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ICU-22549 Add UnicodeSet fuzzer

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Frank Tang 2023-11-17 15:57:20 -08:00 • committed by Frank Yung-Fong Tang
parent 78b1a3fc46
commit 368d67316c
2 changed files with 58 additions and 1 deletions
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2
icu4c/source/test/fuzzer/Makefile.in
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@ -50,11 +50,11 @@ FUZZER_TARGETS = \
uloc_get_name_fuzzer \
uloc_is_right_to_left_fuzzer \
uloc_open_keywords_fuzzer \
unicodeset_fuzzer \
unicode_string_codepage_create_fuzzer \
uprop_fuzzer \
uregex_open_fuzzer \
OBJECTS = $(FUZZER_TARGETS:%=%.o)
OBJECTS += fuzzer_driver.o locale_util.o

57
icu4c/source/test/fuzzer/unicodeset_fuzzer.cpp Normal file
View file

@ -0,0 +1,57 @@
// © 2019 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
#include <cstring>
#include "fuzzer_utils.h"
#include "unicode/coll.h"
#include "unicode/localpointer.h"
#include "unicode/uniset.h"
IcuEnvironment* env = new IcuEnvironment();
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
UErrorCode status = U_ZERO_ERROR;
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::UnicodeSet> set(
new icu::UnicodeSet(fuzzstr, status));
status = U_ZERO_ERROR;
set.adoptInstead(new icu::UnicodeSet());
set->applyPattern (fuzzstr, status);
set.adoptInstead(new icu::UnicodeSet());
set->addAll(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->add(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->retainAll(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->complementAll(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->removeAll(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->retain(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->remove(fuzzstr);
set.adoptInstead(new icu::UnicodeSet());
set->complement(fuzzstr);
set.adoptInstead(icu::UnicodeSet::createFrom(fuzzstr));
set.adoptInstead(icu::UnicodeSet::createFromAll(fuzzstr));
return 0;
}