--- /dev/null
+// © 2019 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#include <string>
+
+#include "locale_util.h"
+#include "unicode/uloc.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ const std::string input = MakeZeroTerminatedInput(data, size);
+
+ uloc_isRightToLeft(input.c_str());
+
+ return 0;
+}