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Index: plugins/check_disk.c
===================================================================
RCS file: /cvsroot/nagiosplug/nagiosplug/plugins/check_disk.c,v
retrieving revision 1.82
diff -u -r1.82 check_disk.c
--- plugins/check_disk.c	7 Jan 2007 07:14:04 -0000	1.82
+++ plugins/check_disk.c	27 Jan 2007 18:01:18 -0000
@@ -306,16 +306,16 @@
       critical_high_tide = UINT_MAX;
 
       if (path->freespace_units->warning != NULL) {
-        warning_high_tide = dtotal_units - path->freespace_units->warning->end;
+        warning_high_tide = path->freespace_units->warning->end;
       }
       if (path->freespace_percent->warning != NULL) {
-        warning_high_tide = abs( min( (double) warning_high_tide, (double) (1.0 - path->freespace_percent->warning->end/100)*dtotal_units ));
+        warning_high_tide = abs( min( (double) warning_high_tide, (double) path->freespace_percent->warning->end/100*dtotal_units ));
       }
       if (path->freespace_units->critical != NULL) {
-        critical_high_tide = dtotal_units - path->freespace_units->critical->end;
+        critical_high_tide = path->freespace_units->critical->end;
       }
       if (path->freespace_percent->critical != NULL) {
-        critical_high_tide = abs( min( (double) critical_high_tide, (double) (1.0 - path->freespace_percent->critical->end/100)*dtotal_units ));
+        critical_high_tide = abs( min( (double) critical_high_tide, (double) path->freespace_percent->critical->end/100*dtotal_units ));
       }
 
       asprintf (&perf, "%s %s", perf,
Index: plugins/t/check_disk.t
===================================================================
RCS file: /cvsroot/nagiosplug/nagiosplug/plugins/t/check_disk.t,v
retrieving revision 1.16
diff -u -r1.16 check_disk.t
--- plugins/t/check_disk.t	8 Jan 2007 11:05:55 -0000	1.16
+++ plugins/t/check_disk.t	27 Jan 2007 18:01:18 -0000
@@ -24,7 +24,7 @@
 if ($mountpoint_valid eq "" or $mountpoint2_valid eq "") {
 	plan skip_all => "Need 2 mountpoints to test";
 } else {
-	plan tests => 57;
+	plan tests => 61;
 }
 
 $result = NPTest->testCmd( 
@@ -76,6 +76,24 @@
 	die "Two mountpoints with same inodes free - cannot do rest of test";
 }
 
+# Verify performance data
+# First check absolute thresholds...
+$result = NPTest->testCmd(
+        "./check_disk -w 20 -c 10 -p $mountpoint_valid"
+        );
+$_ = $result->perf_output;
+my ($warn_absth_data, $crit_absth_data) = (m/=.[^;]*;(\d+);(\d+);\d+;\d+/);
+is ($warn_absth_data, 20, "Wrong warning in perf data using absolute thresholds");
+is ($crit_absth_data, 10, "Wrong critical in perf data using absolute thresholds");
+
+# Then check percent thresholds.
+$result = NPTest->testCmd(
+        "./check_disk -w 20% -c 10% -p $mountpoint_valid"
+        );
+$_ = $result->perf_output;
+my ($warn_percth_data, $crit_percth_data, $total_percth_data) = (m/=.[^;]*;(\d+);(\d+);\d+;(\d+)/);
+is ($warn_percth_data, int($total_percth_data/100*20), "Wrong warning in perf data using percent thresholds");
+is ($crit_percth_data, int($total_percth_data/100*10), "Wrong critical in perf data using percent thresholds");
 
 
 # Check when order of mount points are reversed, that perf data remains same