Added a test that I previously deleted and fixed it so that it correctly reproduces the problem described in issue #12.
diff --git a/src/test/java/com/networknt/schema/SelfRefTest.java b/src/test/java/com/networknt/schema/SelfRefTest.java
new file mode 100644
index 0000000..b116555
--- /dev/null
+++ b/src/test/java/com/networknt/schema/SelfRefTest.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2016 Network New Technologies Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.networknt.schema;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Created by stevehu on 2016-12-20.
+ */
+public class SelfRefTest extends BaseJsonSchemaValidatorTest {
+ @Ignore("This test currently is failing because of a StackOverflow caused by a recursive $ref.")
+ @Test()
+ public void testSelfRef() throws Exception {
+ JsonSchema node = getJsonSchemaFromClasspath("selfRef.json");
+ System.out.println("node = " + node);
+ }
+}
\ No newline at end of file
diff --git a/src/test/resources/selfRef.json b/src/test/resources/selfRef.json
new file mode 100644
index 0000000..385c25d
--- /dev/null
+++ b/src/test/resources/selfRef.json
@@ -0,0 +1,31 @@
+{
+ "type": "object",
+ "properties": {
+ "name": {
+ "type": "string"
+ },
+ "tree": {
+ "$ref": "#/definitions/tree"
+ }
+ },
+ "definitions": {
+ "tree": {
+ "type": "object",
+ "properties": {
+ "value": {
+ "type": "string"
+ },
+ "branches": {
+ "type": "array",
+ "items": {
+ "$ref": "#/definitions/tree"
+ },
+ "minItems": 1
+ }
+ },
+ "required": [
+ "value"
+ ]
+ }
+ }
+}
\ No newline at end of file
