diff --git a/tests/unit/encoding/block-helpers.t.cpp b/tests/unit/encoding/block-helpers.t.cpp
index c44be84..4b26109 100644
--- a/tests/unit/encoding/block-helpers.t.cpp
+++ b/tests/unit/encoding/block-helpers.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2018 Regents of the University of California.
+ * Copyright (c) 2013-2021 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -101,19 +101,22 @@
   BOOST_CHECK_THROW(readDouble("64043E800000"_block), tlv::Error);
 }
 
-BOOST_AUTO_TEST_CASE(Data)
+BOOST_AUTO_TEST_CASE(Binary)
 {
   std::string buf1{1, 1, 1, 1};
   const uint8_t buf2[]{1, 1, 1, 1};
   std::list<uint8_t> buf3{1, 1, 1, 1};
 
-  Block b1 = makeBinaryBlock(100, buf1.data(), buf1.size());
-  Block b2 = makeBinaryBlock(100, buf2, sizeof(buf2));
-  Block b3 = makeBinaryBlock(100, buf1.begin(), buf1.end()); // fast encoding (random access iterator)
-  Block b4 = makeBinaryBlock(100, buf3.begin(), buf3.end()); // slow encoding (general iterator)
+  Block b1 = makeBinaryBlock(100, buf1.data(), buf1.size()); // char* overload
+  Block b2 = makeBinaryBlock(100, buf2, sizeof(buf2));       // uint8_t* overload
+  Block b3 = makeBinaryBlock(100, buf2);                     // span overload
+  Block b4 = makeBinaryBlock(100, buf1.begin(), buf1.end()); // fast encoding (random access iterator)
+  Block b5 = makeBinaryBlock(100, buf3.begin(), buf3.end()); // slow encoding (general iterator)
 
   BOOST_CHECK_EQUAL(b1, b2);
   BOOST_CHECK_EQUAL(b1, b3);
+  BOOST_CHECK_EQUAL(b1, b4);
+  BOOST_CHECK_EQUAL(b1, b5);
   BOOST_CHECK_EQUAL(b1.type(), 100);
   BOOST_CHECK_EQUAL(b1.value_size(), buf1.size());
   BOOST_CHECK_EQUAL_COLLECTIONS(b1.value_begin(), b1.value_end(), buf2, buf2 + sizeof(buf2));