1 files changed, 32 insertions, 0 deletions
diff --git a/tests/msgdup.sh b/tests/msgdup.sh
new file mode 100755
index 0000000..9a94987
--- /dev/null
+++ b/tests/msgdup.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# This tests the border case that a message is exactly as large as the default
+# buffer size (101 chars) and is reduced in size afterwards. This has been seen
+# in practice.
+# see also https://github.com/rsyslog/rsyslog/issues/1658
+# Copyright (C) 2017 by Rainer Gerhards, released under ASL 2.0 (2017-07-11)
+. ${srcdir:=.}/diag.sh init
+check_logger_has_option_d
+generate_conf
+add_conf '
+module(load="../plugins/imuxsock/.libs/imuxsock" sysSock.use="off")
+input(type="imuxsock" Socket="'$RSYSLOG_DYNNAME'-testbench_socket")
+
+template(name="outfmt" type="string" string="%msg%\n")
+
+ruleset(name="rs" queue.type="LinkedList") {
+	action(type="omfile" file=`echo $RSYSLOG_OUT_LOG` template="outfmt")
+	stop
+}
+
+*.=notice call rs
+'
+startup
+logger -d -u $RSYSLOG_DYNNAME-testbench_socket -t RSYSLOG_TESTBENCH 'test 01234567890123456789012345678901234567890123456789012345
+' #Note: LF at end of message is IMPORTANT, it is bug triggering condition
+# the sleep below is needed to prevent too-early termination of rsyslogd
+./msleep 100
+shutdown_when_empty # shut down rsyslogd when done processing messages
+wait_shutdown	# we need to wait until rsyslogd is finished!
+export EXPECTED=" test 01234567890123456789012345678901234567890123456789012345"
+cmp_exact $RSYSLOG_OUT_LOG
+exit_test