diff --git a/test/comparable_types_test.rb b/test/comparable_types_test.rb
index c24a75f..8d24a56 100644
--- a/test/comparable_types_test.rb
+++ b/test/comparable_types_test.rb
@@ -8,15 +8,15 @@ def test_long_sort
     10.times { ary << Long.new }
     assert_equal ary.sort, ary
   end
-  
+
   def test_long_equality
     long = Long.new
-    assert_equal long, Long.new(long)  
-    assert_equal long, Long.new(long.to_s)  
-    assert_equal long, Long.new(long.to_i)  
-    assert_equal long, Long.new(long.to_guid)  
+    assert_equal long, Long.new(long)
+    assert_equal long, Long.new(long.to_s)
+    assert_equal long, Long.new(long.to_i)
+    assert_equal long, Long.new(long.to_guid)
   end
-  
+
   def test_long_error
     assert_raises(Cassandra::Comparable::TypeError) do
       Long.new("bogus")
@@ -29,23 +29,33 @@ def test_uuid_sort
     assert_equal ary.map { |_| _.seconds }.sort, ary.sort.map { |_| _.seconds }
     assert_not_equal ary.sort, ary.sort_by {|_| _.to_guid }
   end
-  
+
   def test_uuid_equality
     uuid = UUID.new
-    assert_equal uuid, UUID.new(uuid)  
-    assert_equal uuid, UUID.new(uuid.to_s)  
-    assert_equal uuid, UUID.new(uuid.to_i)  
-    assert_equal uuid, UUID.new(uuid.to_guid)  
+    assert_equal uuid, UUID.new(uuid)
+    assert_equal uuid, UUID.new(uuid.to_s)
+    assert_equal uuid, UUID.new(uuid.to_i)
+    assert_equal uuid, UUID.new(uuid.to_guid)
   end
-  
+
   def test_uuid_error
     assert_raises(Cassandra::Comparable::TypeError) do
       UUID.new("bogus")
     end
   end
-  
+
   def test_types_behave_well
     assert !(UUID.new() == false)
     assert !(Long.new() == false)
   end
+
+  def test_casting_unknown_class
+    assert_raises(Cassandra::Comparable::TypeError) do
+      Cassandra::Long.new({})
+    end
+  end
+
+  def test_inspect
+    assert_equal '<Cassandra::Long#16395660 time: Wed Dec 31 16:00:00 -0800 1969, usecs: 0, jitter: 0, guid: 00000000-0000-0000>', Long.new("\000\000\000\000\000\000\000\000").inspect
+  end
 end
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