1 files changed, 45 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/native_comparator_wrapper_test.cc b/src/rocksdb/java/rocksjni/native_comparator_wrapper_test.cc
new file mode 100644
index 000000000..ac33ca22d
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/native_comparator_wrapper_test.cc
@@ -0,0 +1,45 @@
+// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#include <jni.h>
+
+#include <string>
+
+#include "include/org_rocksdb_NativeComparatorWrapperTest_NativeStringComparatorWrapper.h"
+#include "rocksdb/comparator.h"
+#include "rocksdb/slice.h"
+#include "rocksjni/cplusplus_to_java_convert.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+class NativeComparatorWrapperTestStringComparator : public Comparator {
+  const char* Name() const {
+    return "NativeComparatorWrapperTestStringComparator";
+  }
+
+  int Compare(const Slice& a, const Slice& b) const {
+    return a.ToString().compare(b.ToString());
+  }
+
+  void FindShortestSeparator(std::string* /*start*/,
+                             const Slice& /*limit*/) const {
+    return;
+  }
+
+  void FindShortSuccessor(std::string* /*key*/) const { return; }
+};
+}  // namespace ROCKSDB_NAMESPACE
+
+/*
+ * Class: org_rocksdb_NativeComparatorWrapperTest_NativeStringComparatorWrapper
+ * Method:    newStringComparator
+ * Signature: ()J
+ */
+jlong Java_org_rocksdb_NativeComparatorWrapperTest_00024NativeStringComparatorWrapper_newStringComparator(
+    JNIEnv* /*env*/, jobject /*jobj*/) {
+  auto* comparator =
+      new ROCKSDB_NAMESPACE::NativeComparatorWrapperTestStringComparator();
+  return GET_CPLUSPLUS_POINTER(comparator);
+}