X-Git-Url: https://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FIPv4Address.hs;h=29afa5f3dd2c34264a98b39c250d93b5160db6af;hb=62733fdca35195dd5ad984bdd5c9d1247d2a9bc0;hp=31ad7bd43965a56f7d243ab932ddbb4dc79dac33;hpb=ee9a99cf60149744ffe85e794c60724256b8fec5;p=hath.git

diff --git a/src/IPv4Address.hs b/src/IPv4Address.hs
index 31ad7bd..29afa5f 100644
--- a/src/IPv4Address.hs
+++ b/src/IPv4Address.hs
@@ -1,5 +1,6 @@
 module IPv4Address
 ( ipv4address_from_octets,
+  ipv4address_tests,
   IPv4Address(None),
   max_octet1,
   max_octet2,
@@ -14,8 +15,9 @@ module IPv4Address
   octet2,
   octet3,
   octet4
-)
-  where
+) where
+
+import Test.HUnit
 
 import qualified Bit as B
 import Maskbits
@@ -339,3 +341,28 @@ most_sig_bit_different addr1 addr2
     oct2b = (octet2 addr2)
     oct3b = (octet3 addr2)
     oct4b = (octet4 addr2)
+
+
+
+-- HUnit Tests
+mk_testaddr :: Int -> Int -> Int -> Int -> IPv4Address
+mk_testaddr a b c d =
+    IPv4Address oct1 oct2 oct3 oct4
+    where
+      oct1 = octet_from_int a
+      oct2 = octet_from_int b
+      oct3 = octet_from_int c
+      oct4 = octet_from_int d
+
+
+test_most_sig_bit_different1 =
+    TestCase $ assertEqual "10.1.1.0 and 10.1.0.0 differ in bit 24" TwentyFour (most_sig_bit_different (mk_testaddr 10 1 1 0) (mk_testaddr 10 1 0 0))
+
+
+test_most_sig_bit_different2 =
+    TestCase $ assertEqual "10.1.2.0 and 10.1.1.0 differ in bit 23" TwentyThree (most_sig_bit_different (mk_testaddr 10 1 2 0) (mk_testaddr 10 1 1 0))
+
+
+
+ipv4address_tests = [ test_most_sig_bit_different1,
+                      test_most_sig_bit_different2 ]