From 10773ac2af081d0a7aa80b0f9e7e3087e46514d0 Mon Sep 17 00:00:00 2001
From: joehni <joerg.schaible@gmx.de>
Date: Mon, 28 Oct 2024 23:47:10 +0100
Subject: [PATCH] Adjust Parser Benchmark to measure deeply nested structure.

---
 xstream-jmh/pom.xml                                    |  4 ++--
 .../xstream/benchmark/jmh/ParserBenchmark.java         | 10 ++++++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/xstream-jmh/pom.xml b/xstream-jmh/pom.xml
index 248a57752..bb1ba831f 100644
--- a/xstream-jmh/pom.xml
+++ b/xstream-jmh/pom.xml
@@ -1,6 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <!--
-     Copyright (C) 2015, 2017, 2018, 2019, 2020, 2021, 2022, 2023 XStream committers.
+     Copyright (C) 2015, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 XStream committers.
      All rights reserved.
      
      The software in this package is published under the terms of the BSD
@@ -165,7 +165,7 @@
     <dependency>
       <groupId>org.codehaus.jettison</groupId>
       <artifactId>jettison</artifactId>
-      <scope>runtime</scope>
+      <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>jakarta.xml.bind</groupId>
diff --git a/xstream-jmh/src/java/com/thoughtworks/xstream/benchmark/jmh/ParserBenchmark.java b/xstream-jmh/src/java/com/thoughtworks/xstream/benchmark/jmh/ParserBenchmark.java
index eb462d23e..a8b0c2f71 100644
--- a/xstream-jmh/src/java/com/thoughtworks/xstream/benchmark/jmh/ParserBenchmark.java
+++ b/xstream-jmh/src/java/com/thoughtworks/xstream/benchmark/jmh/ParserBenchmark.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015, 2017, 2021 XStream Committers.
+ * Copyright (C) 2015, 2017, 2021, 2024 XStream Committers.
  * All rights reserved.
  *
  * The software in this package is published under the terms of the BSD
@@ -18,6 +18,7 @@
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
+import org.codehaus.jettison.json.JSONObject;
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.BenchmarkMode;
 import org.openjdk.jmh.annotations.Fork;
@@ -69,6 +70,10 @@
 @Threads(1)
 @Warmup(iterations = 5)
 public class ParserBenchmark {
+    {
+        // Increase max recursion depth for Jettison
+        JSONObject.setGlobalRecursionDepthLimit(2000);
+    }
 
     /**
      * Driver factory. Enum values used as parameter for the parser benchmark methods.
@@ -229,7 +234,7 @@ public void checkData(final Object o) {
             }
         },
         /**
-         * Nested list in list structure, 500 elements deep.
+         * Nested list in list structure, 1000 elements deep.
          *
          * @author J&ouml;rg Schaible
          * @since 1.4.9
@@ -331,6 +336,7 @@ public void init() {
         xstream.addPermission(PrimitiveTypePermission.PRIMITIVES);
         xstream.allowTypes(List.class, String.class);
         xstream.setMode(XStream.NO_REFERENCES);
+        xstream.setCollectionUpdateLimit(0);
         driver = driverFactory.getDriver();
     }