[monitoring-plugins] tests: added check_dns performance data test

[Sven Nierlein]

 Module: monitoring-plugins
 Branch: master
 Commit: e566021a54c500aa2ee0f17bfe4f95d1fd1be243
 Author: Sven Nierlein <sven at nierlein.de>
   Date: Sat Jun 28 22:05:25 2014 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=e566021

tests: added check_dns performance data test

Signed-off-by: Sven Nierlein <sven at nierlein.de>

---

 plugins/t/check_dns.t | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/t/check_dns.t b/plugins/t/check_dns.t
index 2c903db..4ff553f 100644
--- a/plugins/t/check_dns.t
+++ b/plugins/t/check_dns.t
@@ -10,7 +10,7 @@ use NPTest;
 
 plan skip_all => "check_dns not compiled" unless (-x "check_dns");
 
-plan tests => 13;
+plan tests => 14;
 
 my $successOutput = '/DNS OK: [\.0-9]+ seconds? response time/';
 
@@ -54,6 +54,7 @@ cmp_ok( $res->return_code, '==', 2, "Critical threshold passed");
 
 $res = NPTest->testCmd("./check_dns -H $hostname_valid -t 5 -w 0 -c 5");
 cmp_ok( $res->return_code, '==', 1, "Warning threshold passed");
+like( $res->output, "/\|time=[\d\.]+s;0.0*;5\.0*;0\.0*/", "Output performance data OK" );
 
 $res = NPTest->testCmd("./check_dns -H $hostname_invalid -t 1");
 cmp_ok( $res->return_code, '==', 2, "Invalid $hostname_invalid");