icuSources/test/fuzzer/collator_compare_fuzzer.cpp

   1 // © 2019 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3
   4 #include <cstring>
   5
   6 #include "fuzzer_utils.h"
   7 #include "unicode/coll.h"
   8 #include "unicode/localpointer.h"
   9 #include "unicode/locid.h"
  10
  11 IcuEnvironment* env = new IcuEnvironment();
  12
  13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  14   UErrorCode status = U_ZERO_ERROR;
  15
  16   if (size < 2)
  17     return 0;
  18
  19   std::unique_ptr<char16_t> compbuff1(new char16_t[size/4]);
  20   std::memcpy(compbuff1.get(), data, (size/4)*2);
  21   data = data + size/2;
  22   std::unique_ptr<char16_t> compbuff2(new char16_t[size/4]);
  23   std::memcpy(compbuff2.get(), data, (size/4)*2);
  24
  25   icu::LocalPointer<icu::Collator> fuzzCollator(
  26       icu::Collator::createInstance(icu::Locale::getUS(), status), status);
  27   if (U_FAILURE(status))
  28     return 0;
  29   fuzzCollator->setStrength(icu::Collator::TERTIARY);
  30
  31   fuzzCollator->compare(compbuff1.get(), size/4,
  32                         compbuff2.get(), size/4);
  33
  34   return 0;
  35 }