diff --git a/tests/unit/name-component.t.cpp b/tests/unit/name-component.t.cpp
index d72de0f..d4b674d 100644
--- a/tests/unit/name-component.t.cpp
+++ b/tests/unit/name-component.t.cpp
@@ -35,7 +35,9 @@
 using ndn::name::Component;
 using ndn::name::UriFormat;
 
+static_assert(sizeof(Component) == sizeof(Block));
 BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Component>));
+BOOST_CONCEPT_ASSERT((boost::Comparable<Component>));
 BOOST_CONCEPT_ASSERT((WireEncodable<Component>));
 BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<Component>));
 BOOST_CONCEPT_ASSERT((WireDecodable<Component>));