diff --git a/filter/test.conf b/filter/test.conf
index 078dafb9..16ef7a86 100644
--- a/filter/test.conf
+++ b/filter/test.conf
@@ -365,8 +365,8 @@ bt_test_suite(t_ip_set, "Testing sets of ip address");
 
 function t_enum()
 {
-	bt_assert(format(RTS_DUMMY)  = "(enum 30)0");		/* XXX */
-	bt_assert(format(RTS_STATIC) = "(enum 30)1");		/* XXX */
+	bt_assert(format(RTS_DUMMY)  = "(enum 30)0");
+	bt_assert(format(RTS_STATIC) = "(enum 30)1");
 	bt_assert(RTS_STATIC ~ [RTS_STATIC, RTS_DEVICE]);
 	bt_assert(RTS_BGP !~ [RTS_STATIC, RTS_DEVICE]);
 }
@@ -699,31 +699,32 @@ clist r;
 	l2 = filter(l2, [(3,3..6)]);
 
 	#  clist A (10,20,30)
-	bt_assert(format(l) = "(clist (3,1) (3,2) (3,3) (3,4))");
 	bt_assert(l = add(add(add(add(-empty-, (3,1)), (3,2)), (3,3)), (3,4)));
+	bt_assert(format(l) = "(clist (3,1) (3,2) (3,3) (3,4))");
 
 	#  clist B (30,40,50)
-	bt_assert(format(l2) = "(clist (3,3) (3,4) (3,5) (3,6))");
 	bt_assert(l2 = add(add(add(add(-empty-, (3,3)), (3,4)), (3,5)), (3,6)));
+	bt_assert(format(l2) = "(clist (3,3) (3,4) (3,5) (3,6))");
 
 	#  clist A union B
 	r = add(l, l2);
-	bt_assert(format(r) = "(clist (3,1) (3,2) (3,3) (3,4) (3,5) (3,6))");
 	bt_assert(r = add(add(add(add(add(add(-empty-, (3,1)), (3,2)), (3,3)), (3,4)), (3,5)), (3,6)));
+	bt_assert(format(r) = "(clist (3,1) (3,2) (3,3) (3,4) (3,5) (3,6))");
 
 	#  clist A isect B
 	r = filter(l, l2);
-	bt_assert(format(r) = "(clist (3,3) (3,4))");
 	bt_assert(r = add(add(-empty-, (3,3)), (3,4)));
+	bt_assert(format(r) = "(clist (3,3) (3,4))");
 
 	#  clist A \ B
 	r = delete(l, l2);
-	bt_assert(format(r) = "(clist (3,1) (3,2))");
 	bt_assert(r = add(add(-empty-, (3,1)), (3,2)));
+	bt_assert(format(r) = "(clist (3,1) (3,2))");
 
 	#  clist in c set
 	r = filter(l, [(3,1), (*,2)]);
 	bt_assert(r = add(add(-empty-, (3,1)), (3,2)));
+	bt_assert(format(r) = "(clist (3,1) (3,2))");
 }
 
 bt_test_suite(t_clist, "Testing lists of communities");
@@ -803,31 +804,32 @@ eclist r;
 	el2 = add(el2, (rt, 10, 50));
 
 	#  eclist A (1,30,40)
-	bt_assert(format(el) = "(eclist (rt, 10, 1) (rt, 10, 30) (rt, 10, 40))");
 	bt_assert(el = add(add(add(--empty--, (rt, 10, 1)), (rt, 10, 30)), (rt, 10, 40)));
+	bt_assert(format(el) = "(eclist (rt, 10, 1) (rt, 10, 30) (rt, 10, 40))");
 
 	#  eclist B (30,40,50)
-	bt_assert(format(el2) = "(eclist (rt, 10, 30) (rt, 10, 40) (rt, 10, 50))");
 	bt_assert(el2 = add(add(add(--empty--, (rt, 10, 30)), (rt, 10, 40)), (rt, 10, 50)));
+	bt_assert(format(el2) = "(eclist (rt, 10, 30) (rt, 10, 40) (rt, 10, 50))");
 
 	#  eclist A union B
 	r = add(el2, el);
-	bt_assert(format(r) = "(eclist (rt, 10, 30) (rt, 10, 40) (rt, 10, 50) (rt, 10, 1))");
 	bt_assert(r = add(add(add(add(--empty--, (rt, 10, 30)), (rt, 10, 40)), (rt, 10, 50)), (rt, 10, 1)));
+	bt_assert(format(r) = "(eclist (rt, 10, 30) (rt, 10, 40) (rt, 10, 50) (rt, 10, 1))");
 
 	#  eclist A isect B
 	r = filter(el, el2);
-	bt_assert(format(r) = "(eclist (rt, 10, 30) (rt, 10, 40))");
 	bt_assert(r = add(add(--empty--, (rt, 10, 30)), (rt, 10, 40)));
+	bt_assert(format(r) = "(eclist (rt, 10, 30) (rt, 10, 40))");
 
 	#  eclist A \ B
 	r = delete(el, el2);
-	bt_assert(format(r) = "(eclist (rt, 10, 1))");
 	bt_assert(r = add(--empty--, (rt, 10, 1)));
+	bt_assert(format(r) = "(eclist (rt, 10, 1))");
 
 	#  eclist in ec set
 	r = filter(el, [(rt, 10, 1), (rt, 10, 25..30), (ro, 10, 40)]);
 	bt_assert(r = add(add(--empty--, (rt, 10, 1)), (rt, 10, 30)));
+	bt_assert(format(r) = "(eclist (rt, 10, 1) (rt, 10, 30))");
 }
 
 bt_test_suite(t_eclist, "Testing lists of extended communities");
@@ -916,22 +918,23 @@ lclist r;
 
 	#  lclist A union B
 	r = add(ll, ll2);
-	bt_assert(format(r) = "(lclist (10, 10, 10) (20, 20, 20) (30, 30, 30) (40, 40, 40))");
 	bt_assert(r = add(add(add(add(---empty---, (10,10,10)), (20,20,20)), (30,30,30)), (40,40,40)));
+	bt_assert(format(r) = "(lclist (10, 10, 10) (20, 20, 20) (30, 30, 30) (40, 40, 40))");
 
 	#  lclist A isect B
 	r = filter(ll, ll2);
-	bt_assert(format(r) = "(lclist (20, 20, 20) (30, 30, 30))");
 	bt_assert(r = add(add(---empty---, (20, 20, 20)), (30, 30, 30)));
+	bt_assert(format(r) = "(lclist (20, 20, 20) (30, 30, 30))");
 
 	#  lclist A \ B
 	r = delete(ll, ll2);
-	bt_assert(format(r) = "(lclist (10, 10, 10))");
 	bt_assert(r = add(---empty---, (10, 10, 10)));
+	bt_assert(format(r) = "(lclist (10, 10, 10))");
 
 	#  lclist in lc set
 	r = filter(ll, [(5..15, *, *), (20, 15..25, *)]);
 	bt_assert(r = add(add(---empty---, (10, 10, 10)), (20, 20, 20)));
+	bt_assert(format(r) = "(lclist (10, 10, 10) (20, 20, 20))");
 }
 
 bt_test_suite(t_lclist, "Testing lists of large communities");
@@ -962,6 +965,7 @@ lc set lls;
 	bt_assert(ll !~ [(11, *, *)]);
 
 	lls = [(10, 10, 10), (20, 20, 15..25), (30, 30, *), (40, 35..45, *), (50, *, *), (55..65, *, *)];
+	bt_assert(format(lls) = "[(10, 10, 10), (20, 20, 15)..(20, 20, 25), (30, 30, 0)..(30, 30, 4294967295), (40, 35, 0)..(40, 45, 4294967295), (50, 0, 0)..(50, 4294967295, 4294967295), (55, 0, 0)..(65, 4294967295, 4294967295)]");
 	bt_assert((10, 10, 10)  ~ lls);
 	bt_assert((20, 20, 25)  ~ lls);
 	bt_assert((20, 20, 26) !~ lls);