diff --git a/tests/iobound_async.py b/tests/iobound_async.py
new file mode 100644
index 00000000..b0f91543
--- /dev/null
+++ b/tests/iobound_async.py
@@ -0,0 +1,42 @@
+import socket
+import select
+
+def send_request(env, client):
+
+	client.setblocking(1)
+
+	client.send("GET /intl/it_it/images/logo.gif HTTP/1.0\r\n")
+	client.send("Host: www.google.it\r\n\r\n")
+
+	while 1:
+		yield env['x-wsgiorg.fdevent.readable'](client.fileno(), 10)
+		buf = client.recv(4096)
+		if len(buf) == 0:
+			break
+		else:
+			yield buf
+
+
+def application(env, start_response):
+
+	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+	s.setblocking(0)
+
+	env['x-wsgiorg.fdevent.readable'] = lambda fd,t: ""
+	env['x-wsgiorg.fdevent.writable'] = lambda fd,t: ""
+
+	yield ""
+
+	c = s.connect_ex(('www.google.it', 80))
+	if c == 115:
+		yield env['x-wsgiorg.fdevent.writable'](s.fileno(), 10)
+		for r in send_request(env, s):
+			yield r
+	elif c == 0:
+		for r in send_request(env, s):
+			yield r
+	else:
+		start_response( '500 Internal Server Error', [ ('Content-Type', 'text/html')])
+		yield "Internal Server Error"
+
+	s.close()