test: verify actual regression(s) we've had

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/Makefile.am

@@ -2,7 +2,7 @@ EXTRA_DIST       = lib.sh opts.sh
 EXTRA_DIST      += api.sh local.sh unicode.sh remote.sh fwd.sh mark.sh      \
 		   memleak.sh facility.sh notify.sh rotate_all.sh secure.sh \
 		   logger.sh listen.sh sighup.sh tag.sh hostname.sh 	    \
-                   property.sh raw.sh
+                   property.sh raw.sh regression.sh
 CLEANFILES       = *~ *.trs *.log
 TEST_EXTENSIONS  = .sh
 TESTS_ENVIRONMENT= unshare -mrun
@@ -32,5 +32,6 @@ TESTS           += tag.sh
 TESTS           += hostname.sh
 TESTS           += property.sh
 TESTS           += raw.sh
+TESTS           += regression.sh
 
 programs: $(check_PROGRAMS)

test/regression.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+# Verify actual (minor) regressions that we've had in the project
+. "${srcdir:-.}/lib.sh"
+
+verify_tagpid()
+{
+    logger -t foo -I 1234 "You won't get it up the steps."
+    grep -H 'foo\[1234\]' "$LOG"
+}
+
+run_step "Set up local syslog daemon" setup -m0
+run_step "Verify tag[PID] regression" verify_tagpid