ICU-66108.tar.gz

[apple/icu.git] / icuSources / test / fuzzer / collator_compare_fuzzer.cpp

diff --git a/icuSources/test/fuzzer/collator_compare_fuzzer.cpp b/icuSources/test/fuzzer/collator_compare_fuzzer.cpp
new file mode 100644 (file)
index 0000000..87b2ea9
--- /dev/null
+++ b/icuSources/test/fuzzer/collator_compare_fuzzer.cpp
@@ -0,0 +1,35 @@
+// © 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/locid.h"
+
+IcuEnvironment* env = new IcuEnvironment();
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  UErrorCode status = U_ZERO_ERROR;
+
+  if (size < 2)
+    return 0;
+
+  std::unique_ptr<char16_t> compbuff1(new char16_t[size/4]);
+  std::memcpy(compbuff1.get(), data, (size/4)*2);
+  data = data + size/2;
+  std::unique_ptr<char16_t> compbuff2(new char16_t[size/4]);
+  std::memcpy(compbuff2.get(), data, (size/4)*2);
+
+  icu::LocalPointer<icu::Collator> fuzzCollator(
+      icu::Collator::createInstance(icu::Locale::getUS(), status), status);
+  if (U_FAILURE(status))
+    return 0;
+  fuzzCollator->setStrength(icu::Collator::TERTIARY);
+
+  fuzzCollator->compare(compbuff1.get(), size/4,
+                        compbuff2.get(), size/4);
+
+  return 0;
+}