diff --git a/Lib/test/test_openpty.py b/Lib/test/test_openpty.py
new file mode 100644
index 0000000..cd939c6
--- /dev/null
+++ b/Lib/test/test_openpty.py
@@ -0,0 +1,23 @@
+# Test to see if openpty works. (But don't worry if it isn't available.)
+
+import os
+from test_support import verbose, TestFailed
+
+try:
+    if verbose:
+        print "Calling os.openpty()"
+    master, slave = os.openpty()
+    if verbose:
+        print "(master, slave) = (%d, %d)"%(master, slave)
+except AttributeError:
+    raise ImportError, "No openpty() available."
+
+## # Please uncomment these if os.isatty() is added.
+## if not os.isatty(master):
+##     raise TestFailed, "Master-end of pty is not a terminal."
+## if not os.isatty(slave):
+##     raise TestFailed, "Slave-end of pty is not a terminal."
+
+os.write(slave, 'Ping!')
+print os.read(master, 1024)
+