diff --git a/test/bench.sh b/test/bench.sh
index 9585625..c926892 100755
--- a/test/bench.sh
+++ b/test/bench.sh
@@ -9,3 +9,9 @@ go build ./test.go
 hyperfine "./test ./1MB.json" "./test -libjson=false ./1MB.json"
 hyperfine "./test ./5MB.json" "./test -libjson=false ./5MB.json"
 hyperfine "./test ./10MB.json" "./test -libjson=false ./10MB.json"
+
+hyperfine "./test ./1K_recursion.json" "./test -libjson=false ./10MB.json"
+hyperfine "./test ./10_recursion.json" "./test -libjson=false ./10MB.json"
+hyperfine "./test ./100K_recursion.json" "./test -libjson=false ./10MB.json"
+hyperfine "./test ./1M_recursion.json" "./test -libjson=false ./10MB.json"
+hyperfine "./test ./10M_recursion.json" "./test -libjson=false ./10MB.json"
diff --git a/test/gen.py b/test/gen.py
index 50d2bcb..e6b6c95 100644
--- a/test/gen.py
+++ b/test/gen.py
@@ -1,3 +1,4 @@
+import os
 from os.path import exists
 import math
 
@@ -20,3 +21,34 @@ def write_data(size: int):
             f.write("\n]")
 
 [write_data(size) for size in sizes]
+
+depths = {
+    "1K": 1_000,
+    "10K": 10_000,
+    "100K": 100_000,
+    "1M": 1_000_000,
+    "10M": 10_000_000,
+}
+
+for depth_name, depth in depths.items():
+    print(f"Generating {depth} depth object")
+
+    json_parts = ["{"]
+
+    for _ in range(1, depth):
+        json_parts.append('"next":{')
+
+    json_parts.append('"next":null')
+
+    for _ in range(depth):
+        json_parts.append("}")
+
+    json_string = "".join(json_parts)
+
+    file_name = f"{depth_name}_recursion.json"
+    file_path = os.path.join(os.path.dirname(__file__), file_name)
+
+    with open(file_path, 'w') as f:
+        f.write(json_string)
+
+    print(f"File for depth {depth} saved as {file_name}")