1 files changed, 41 insertions, 0 deletions
diff --git a/doc/core/examples/testlogging.py b/doc/core/examples/testlogging.py
new file mode 100644
index 0000000..d44def7
--- /dev/null
+++ b/doc/core/examples/testlogging.py
@@ -0,0 +1,41 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+
+"""Test logging.
+
+Message should only be printed second time around.
+"""
+
+from twisted.python import log
+from twisted.internet import reactor
+
+import sys, warnings
+
+def test(i):
+    print "printed", i
+    log.msg("message %s" % i)
+    warnings.warn("warning %s" % i)
+    try:
+        raise RuntimeError, "error %s" % i
+    except:
+        log.err()
+
+def startlog():
+    log.startLogging(sys.stdout)
+
+def end():
+    reactor.stop()
+
+# pre-reactor run
+test(1)
+
+# after reactor run
+reactor.callLater(0.1, test, 2)
+reactor.callLater(0.2, startlog)
+
+# after startLogging
+reactor.callLater(0.3, test, 3)
+reactor.callLater(0.4, end)
+
+reactor.run()