1 files changed, 44 insertions, 0 deletions
diff --git a/icu4c/source/test/fuzzer/timezone_create_fuzzer.cpp b/icu4c/source/test/fuzzer/timezone_create_fuzzer.cpp
new file mode 100644
index 000000000..490c58f1e
--- /dev/null
+++ b/icu4c/source/test/fuzzer/timezone_create_fuzzer.cpp
@@ -0,0 +1,44 @@
+// © 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) {
+
+  // Limit the test for at most 1000 Unicode characters.
+  if (size > 2000) {
+    size = 2000;
+  }
+  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;
+}