From 62733fdca35195dd5ad984bdd5c9d1247d2a9bc0 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 9 May 2010 15:36:00 -0400
Subject: [PATCH] Added HUnit tests for the Maskable instances.

---
 src/Maskable.hs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/Maskable.hs b/src/Maskable.hs
index 051bb65..9300ee1 100644
--- a/src/Maskable.hs
+++ b/src/Maskable.hs
@@ -1,5 +1,7 @@
 module Maskable where
 
+import Test.HUnit
+
 import qualified Bit as B
 import IPv4Address
 import Maskbits
@@ -78,3 +80,24 @@ instance Maskable IPv4Address where
           oct2 = (octet2 addr)
           oct3 = (octet3 addr)
           oct4 = (octet4 addr)
+
+
+
+-- HUnit Tests
+
+test_octet_mask1 =
+    TestCase $ assertEqual "The network bits of 255/4 should equal 240" oct2 (apply_mask oct1 Four)
+    where
+      oct1 = octet_from_int 255
+      oct2 = octet_from_int 240
+
+
+test_octet_mask2 =
+    TestCase $ assertEqual "The network bits of 255/1 should equal 128" oct2 (apply_mask oct1 One)
+    where
+      oct1 = octet_from_int 255
+      oct2 = octet_from_int 128
+
+
+maskable_tests = [ test_octet_mask1,
+                   test_octet_mask2 ]
-- 
2.43.2