diff --git a/tests/pyunit/pyunit_jsonserializable_check.py b/tests/pyunit/pyunit_jsonserializable_check.py
new file mode 100644
index 0000000..97642a4
--- /dev/null
+++ b/tests/pyunit/pyunit_jsonserializable_check.py
@@ -0,0 +1,71 @@
+# Copyright (c) 2022 The Regents of The University of California
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import unittest
+from m5.ext.pystats.jsonserializable import JsonSerializable
+
+
+class MockSerializable(JsonSerializable):
+    def __init__(self):
+        self.child_1 = MockSerializableChild()
+        self.child_1.stat1 = 2
+        self.child_1.stat2 = "3"
+        self.child_list = []
+
+        child_list_1 = MockSerializableChild()
+        child_list_1.stat1 = "hello"
+        self.child_list.append(child_list_1)
+        child_list_2 = MockSerializableChild()
+        child_list_2.list_stat2 = ["1", 2, "3", 4, 5.2, None]
+        self.child_list.append(child_list_2)
+
+
+class MockSerializableChild(JsonSerializable):
+    def __init__(self):
+        pass
+
+
+class JsonSerializableTestSuite(unittest.TestCase):
+    def test_to_json(self):
+        obj = MockSerializable()
+        obj_json = obj.to_json()
+        self.assertTrue("child_1" in obj_json)
+        self.assertTrue("stat1" in obj_json["child_1"])
+        self.assertEquals(2, obj_json["child_1"]["stat1"])
+        self.assertTrue("stat2" in obj_json["child_1"])
+        self.assertEquals("3", obj_json["child_1"]["stat2"])
+        self.assertTrue("child_list" in obj_json)
+        self.assertEquals(2, len(obj_json["child_list"]))
+        self.assertTrue("stat1" in obj_json["child_list"][0])
+        self.assertEqual("hello", obj_json["child_list"][0]["stat1"])
+        self.assertTrue("list_stat2" in obj_json["child_list"][1])
+        self.assertEquals(6, len(obj_json["child_list"][1]["list_stat2"]))
+        self.assertEquals("1", obj_json["child_list"][1]["list_stat2"][0])
+        self.assertEquals(2, obj_json["child_list"][1]["list_stat2"][1])
+        self.assertEquals("3", obj_json["child_list"][1]["list_stat2"][2])
+        self.assertEquals(4, obj_json["child_list"][1]["list_stat2"][3])
+        self.assertEquals(5.2, obj_json["child_list"][1]["list_stat2"][4])
+        self.assertEquals(None, obj_json["child_list"][1]["list_stat2"][5])