Add a failing test for #185

FasterXML · Oct 31, 2019 · ccd0fc4 · ccd0fc4
1 parent 148e93c
commit ccd0fc4
Showing 1 changed file with 30 additions and 0 deletions.
diff --git a/cbor/src/test/java/com/fasterxml/jackson/dataformat/cbor/failing/TagParsing185Test.java b/cbor/src/test/java/com/fasterxml/jackson/dataformat/cbor/failing/TagParsing185Test.java
@@ -0,0 +1,30 @@
+package com.fasterxml.jackson.dataformat.cbor.failing;
+
+import com.fasterxml.jackson.core.*;
+
+import com.fasterxml.jackson.dataformat.cbor.*;
+
+public class TagParsing185Test extends CBORTestBase
+{
+    private final CBORFactory CBOR_F = new CBORFactory();
+
+    public void testRecursiveTags() throws Exception
+    {
+        _testRecursiveTags(20000);
+    }
+
+    private void _testRecursiveTags(int levels) throws Exception
+    {
+         byte[] data = new byte[levels * 2];
+         for (int i = 0; i < levels; i++) {
+              data[i * 2] = (byte)(CBORConstants.PREFIX_TYPE_TAG +
+                        CBORConstants.TAG_DECIMAL_FRACTION);
+              data[(i * 2) + 1] = (byte)(CBORConstants.PREFIX_TYPE_ARRAY +
+                        2);
+         }
+
+         JsonParser p = CBOR_F.createParser(data);
+
+         assertToken(JsonToken.START_ARRAY, p.nextToken());
+    }
+}