diff --git a/examples/in_memory/main.py b/examples/in_memory/main.py
index a7d6345..1df6bc2 100644
--- a/examples/in_memory/main.py
+++ b/examples/in_memory/main.py
@@ -33,7 +33,7 @@ async def clear():
 
 @app.get("/date")
 @cache(namespace="test", expire=10)
-async def get_data():
+async def get_date():
     return pendulum.today()
 
 
@@ -42,6 +42,13 @@ async def get_data():
 async def get_datetime(request: Request, response: Response):
     return {"now": pendulum.now()}
 
+@app.get("/sync-me")
+@cache(namespace="test")
+def sync_me():
+    # as per the fastapi docs, this sync function is wrapped in a thread,
+    # thereby converted to async. fastapi-cache does the same.
+    return 42
+
 
 @app.on_event("startup")
 async def startup():
diff --git a/tests/test_decorator.py b/tests/test_decorator.py
index 0ec4060..29db05d 100644
--- a/tests/test_decorator.py
+++ b/tests/test_decorator.py
@@ -1,6 +1,7 @@
 import time
 
 import pendulum
+from fastapi_cache import FastAPICache
 from starlette.testclient import TestClient
 
 from examples.in_memory.main import app
@@ -21,3 +22,26 @@ def test_datetime():
         now = pendulum.parse(now).replace(microsecond=0)
         assert now != now_
         assert now == pendulum.now().replace(microsecond=0)
+
+def test_date():
+    """Test path function without request or response arguments."""
+    with TestClient(app) as client:
+
+        response = client.get("/date")
+        assert pendulum.parse(response.json()) == pendulum.today()
+
+        # do it again to test cache
+        response = client.get("/date")
+        assert pendulum.parse(response.json()) == pendulum.today()
+
+        # now test with cache disabled, as that's a separate code path
+        FastAPICache._enable = False
+        response = client.get("/date")
+        assert pendulum.parse(response.json()) == pendulum.today()
+        FastAPICache._enable = True
+
+def test_sync():
+    """Ensure that sync function support works."""
+    with TestClient(app) as client:
+        response = client.get("/sync-me")
+        assert response.json() == 42