More tests for int

Author: Yuki Ito

test/msgpack_test.erl

@@ -241,31 +241,51 @@ int_test_() ->
       end},
      {"int 8",
       fun() ->
-              Term = -128,
+              Term = -33,
               Binary = pack(Term),
               ?assertEqual(2, byte_size(Binary)),
-              ?assertEqual({ok, Term}, unpack(Binary))
+              ?assertEqual({ok, Term}, unpack(Binary)),
+
+              Term2 = -128,
+              Binary2 = pack(Term2),
+              ?assertEqual(2, byte_size(Binary2)),
+              ?assertEqual({ok, Term2}, unpack(Binary2))
       end},
      {"int 16",
       fun() ->
-              Term = -16#8000,
+              Term = -129,
               Binary = pack(Term),
               ?assertEqual(3, byte_size(Binary)),
-              ?assertEqual({ok, Term}, unpack(Binary))
+              ?assertEqual({ok, Term}, unpack(Binary)),
+
+              Term2 = -16#8000,
+              Binary2 = pack(Term2),
+              ?assertEqual(3, byte_size(Binary2)),
+              ?assertEqual({ok, Term2}, unpack(Binary2))
       end},
      {"int 32",
       fun() ->
-              Term = -16#80000000,
+              Term = -16#8001,
               Binary = pack(Term),
               ?assertEqual(5, byte_size(Binary)),
-              ?assertEqual({ok, Term}, unpack(Binary))
+              ?assertEqual({ok, Term}, unpack(Binary)),
+
+              Term2 = -16#80000000,
+              Binary2 = pack(Term2),
+              ?assertEqual(5, byte_size(Binary2)),
+              ?assertEqual({ok, Term2}, unpack(Binary2))
       end},
      {"int 64",
       fun() ->
               Term = -16#80000001,
               Binary = pack(Term),
               ?assertEqual(9, byte_size(Binary)),
-              ?assertEqual({ok, Term}, unpack(Binary))
+              ?assertEqual({ok, Term}, unpack(Binary)),
+
+              Term2 = -16#8000000000000000,
+              Binary2 = pack(Term2),
+              ?assertEqual(9, byte_size(Binary2)),
+              ?assertEqual({ok, Term2}, unpack(Binary2))
       end}
     ].