diff --git a/tests/test_ip.sh b/tests/test_ip.sh
index f8c2058..da939f4 100755
--- a/tests/test_ip.sh
+++ b/tests/test_ip.sh
@@ -48,60 +48,44 @@
 
 test_cidr2netmask
 
-if [[ $(maskip 169.254.169.254 240.0.0.0) == 160.0.0.0 ]]; then
-    passed "maskip(): /4...OK"
-else
-    failed "maskip(): /4...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.0.0.0) == 169.0.0.0 ]]; then
-    passed "maskip(): /8...OK"
-else
-    failed "maskip(): /8...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.240.0.0) == 169.240.0.0 ]]; then
-    passed "maskip(): /12...OK"
-else
-    failed "maskip(): /12...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.255.0.0) == 169.254.0.0 ]]; then
-    passed "maskip(): /16...OK"
-else
-    failed "maskip(): /16...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.255.240.0) == 169.254.160.0 ]]; then
-    passed "maskip(): /20...OK"
-else
-    failed "maskip(): /20...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.255.255.0) == 169.254.169.0 ]]; then
-    passed "maskip(): /24...OK"
-else
-    failed "maskip(): /24...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.255.255.240) == 169.254.169.240 ]]; then
-    passed "maskip(): /28...OK"
-else
-    failed "maskip(): /28...failed"
-fi
-if [[ $(maskip 169.254.169.254 255.255.255.255) == 169.254.169.254 ]]; then
-    passed "maskip(): /32...OK"
-else
-    failed "maskip(): /32...failed"
-fi
+msg="maskip(169.254.169.254 240.0.0.0) == 160.0.0.0"
+assert_equal $(maskip 169.254.169.254 240.0.0.0) 160.0.0.0 "$msg"
+
+msg="maskip(169.254.169.254 255.0.0.0) == 169.0.0.0"
+assert_equal $(maskip 169.254.169.254 255.0.0.0) 169.0.0.0 "$msg"
+
+msg="maskip(169.254.169.254 255.240.0.0) == 169.240.0.0"
+assert_equal $(maskip 169.254.169.254 255.240.0.0) 169.240.0.0 "$msg"
+
+msg="maskip(169.254.169.254 255.255.0.0) == 169.254.0.0"
+assert_equal $(maskip 169.254.169.254 255.255.0.0) 169.254.0.0 "$msg"
+
+msg="maskip(169.254.169.254 255.255.240.0) == 169.254.160.0"
+assert_equal $(maskip 169.254.169.254 255.255.240.0) 169.254.160.0 "$msg"
+
+msg="maskip(169.254.169.254 255.255.255.0) == 169.254.169.0"
+assert_equal $(maskip 169.254.169.254 255.255.255.0) 169.254.169.0 "$msg"
+
+msg="maskip(169.254.169.254 255.255.255.240) == 169.254.169.240"
+assert_equal $(maskip 169.254.169.254 255.255.255.240) 169.254.169.240 "$msg"
+
+msg="maskip(169.254.169.254 255.255.255.255) == 169.254.169.254"
+assert_equal $(maskip 169.254.169.254 255.255.255.255) 169.254.169.254 "$msg"
+
 
 for mask in 8 12 16 20 24 26 28; do
-    echo -n "address_in_net(): in /$mask..."
+    msg="address_in_net($10.10.10.1 10.10.10.0/$mask)"
     if address_in_net 10.10.10.1 10.10.10.0/$mask; then
-        passed "OK"
+        passed "$msg"
     else
-        failed "address_in_net() failed on /$mask"
+        failed "$msg"
     fi
 
-    echo -n "address_in_net(): not in /$mask..."
+    msg="! address_in_net($10.10.10.1 11.11.11.0/$mask)"
     if ! address_in_net 10.10.10.1 11.11.11.0/$mask; then
-        passed "OK"
+        passed "$msg"
     else
-        failed "address_in_net() failed on /$mask"
+        failed "$msg"
     fi
 done