diff --git a/filter/test.conf b/filter/test.conf
index 03b09c30..c4108f9d 100644
--- a/filter/test.conf
+++ b/filter/test.conf
@@ -265,6 +265,7 @@ ec cc;
 int set is;
 pair set ps;
 ec set ecs;
+ip set ips;
 prefix set pxs;
 string s;
 {
@@ -360,6 +361,12 @@ string s;
         if ( b = true ) then print "Testing bool comparison b = true: ", b;
 	else { print "*** FAIL: TRUE test failed" ; quitbird; }
 	
+	ips = [ 1.1.1.0 .. 1.1.1.255, 1.2.2.2];
+	print "Testing IP sets: ";
+	print ips;
+	print "  must be true:  ",	1.1.1.0 ~ ips, ",", 1.1.1.100 ~ ips, ",", 1.2.2.2 ~ ips;
+	print "  must be false: ",	1.1.0.255 ~ ips, ",", 1.1.2.0  ~ ips, ",", 1.2.2.3 ~ ips, ",", 192.168.1.1 ~ ips;
+
 	pxs = [ 1.2.0.0/16, 1.4.0.0/16+];
 	print "Testing prefix sets: ";
 	print pxs;
@@ -386,6 +393,9 @@ string s;
 
 	print "1.2.3.4 = ", onetwo;
 
+	i = 4200000000;
+	print "4200000000 = ", i, "   false: ", i = 4200000000, " ", i > 4100000000, "   false: ", i > 4250000000;
+
 	test_undef(2);
 	test_undef(3);
 	test_undef(2);