diff --git a/tests/unit/data.t.cpp b/tests/unit/data.t.cpp
index 5162f4d..5706a3e 100644
--- a/tests/unit/data.t.cpp
+++ b/tests/unit/data.t.cpp
@@ -37,6 +37,13 @@
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Data>));
+BOOST_CONCEPT_ASSERT((WireEncodable<Data>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<Data>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Data>));
+static_assert(std::is_convertible_v<Data::Error*, tlv::Error*>,
+              "Data::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestData)
 
 const uint8_t CONTENT1[] = {0x53, 0x55, 0x43, 0x43, 0x45, 0x53, 0x53, 0x21};
diff --git a/tests/unit/encoding/block.t.cpp b/tests/unit/encoding/block.t.cpp
index 2c75944..f75eaf0 100644
--- a/tests/unit/encoding/block.t.cpp
+++ b/tests/unit/encoding/block.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -34,6 +34,8 @@
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Block>));
+
 BOOST_AUTO_TEST_SUITE(Encoding)
 BOOST_AUTO_TEST_SUITE(TestBlock)
 
diff --git a/tests/unit/face.t.cpp b/tests/unit/face.t.cpp
index 94a2649..9d622ed 100644
--- a/tests/unit/face.t.cpp
+++ b/tests/unit/face.t.cpp
@@ -35,7 +35,6 @@
 namespace tests {
 
 using ndn::util::DummyClientFace;
-using std::bind;
 
 struct WantPrefixRegReply;
 struct NoPrefixRegReply;
@@ -100,8 +99,8 @@
                          BOOST_CHECK_EQUAL(i.getName(), "/Hello/World");
                          ++nData;
                        },
-                       bind([] { BOOST_FAIL("Unexpected Nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected Nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   advanceClocks(40_ms);
 
@@ -116,9 +115,9 @@
 
   size_t nTimeouts = 0;
   face.expressInterest(*makeInterest("/Hello/World/a/2", false, 50_ms),
-                       bind([]{}),
-                       bind([]{}),
-                       bind([&nTimeouts] { ++nTimeouts; }));
+                       std::bind([]{}),
+                       std::bind([]{}),
+                       std::bind([&nTimeouts] { ++nTimeouts; }));
   advanceClocks(200_ms, 5);
   BOOST_CHECK_EQUAL(nTimeouts, 1);
 }
@@ -129,13 +128,13 @@
 
   face.expressInterest(*makeInterest("/Hello/World", true, 50_ms),
                        [&] (const auto&, const auto&) { ++nData; },
-                       bind([] { BOOST_FAIL("Unexpected Nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected Nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   face.expressInterest(*makeInterest("/Hello/World/a", true, 50_ms),
                        [&] (const auto&, const auto&) { ++nData; },
-                       bind([] { BOOST_FAIL("Unexpected Nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected Nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   advanceClocks(40_ms);
 
@@ -152,8 +151,8 @@
 {
   face.expressInterest(*makeInterest("/Hello/World", true),
                        nullptr,
-                       bind([] { BOOST_FAIL("Unexpected Nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected Nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
   advanceClocks(1_ms);
 
   BOOST_CHECK_NO_THROW(do {
@@ -166,8 +165,8 @@
 {
   size_t nTimeouts = 0;
   face.expressInterest(*makeInterest("/Hello/World", false, 50_ms),
-                       bind([] { BOOST_FAIL("Unexpected Data"); }),
-                       bind([] { BOOST_FAIL("Unexpected Nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Nack"); }),
                        [&nTimeouts] (const Interest& i) {
                          BOOST_CHECK_EQUAL(i.getName(), "/Hello/World");
                          ++nTimeouts;
@@ -184,8 +183,8 @@
 BOOST_AUTO_TEST_CASE(EmptyTimeoutCallback)
 {
   face.expressInterest(*makeInterest("/Hello/World", false, 50_ms),
-                       bind([] { BOOST_FAIL("Unexpected Data"); }),
-                       bind([] { BOOST_FAIL("Unexpected Nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Nack"); }),
                        nullptr);
   advanceClocks(40_ms);
 
@@ -201,14 +200,14 @@
   auto interest = makeInterest("/Hello/World", false, 50_ms);
 
   face.expressInterest(*interest,
-                       bind([] { BOOST_FAIL("Unexpected Data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Data"); }),
                        [&] (const Interest& i, const lp::Nack& n) {
                          BOOST_CHECK(i.getName().isPrefixOf(n.getInterest().getName()));
                          BOOST_CHECK_EQUAL(i.getName(), "/Hello/World");
                          BOOST_CHECK_EQUAL(n.getReason(), lp::NackReason::DUPLICATE);
                          ++nNacks;
                        },
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   advanceClocks(40_ms);
 
@@ -226,15 +225,15 @@
 
   auto interest = makeInterest("/Hello/World", false, 50_ms, 1);
   face.expressInterest(*interest,
-                       bind([] { BOOST_FAIL("Unexpected Data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Data"); }),
                        [&] (const auto&, const auto&) { ++nNacks; },
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   interest->setNonce(2);
   face.expressInterest(*interest,
-                       bind([] { BOOST_FAIL("Unexpected Data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Data"); }),
                        [&] (const auto&, const auto&) { ++nNacks; },
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   advanceClocks(40_ms);
 
@@ -249,9 +248,9 @@
 BOOST_AUTO_TEST_CASE(EmptyNackCallback)
 {
   face.expressInterest(*makeInterest("/Hello/World"),
-                       bind([] { BOOST_FAIL("Unexpected Data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected Data"); }),
                        nullptr,
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
   advanceClocks(1_ms);
 
   BOOST_CHECK_NO_THROW(do {
@@ -294,9 +293,9 @@
 BOOST_AUTO_TEST_CASE(Handle)
 {
   auto hdl = face.expressInterest(*makeInterest("/Hello/World", true, 50_ms),
-                                  bind([] { BOOST_FAIL("Unexpected data"); }),
-                                  bind([] { BOOST_FAIL("Unexpected nack"); }),
-                                  bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                                  std::bind([] { BOOST_FAIL("Unexpected data"); }),
+                                  std::bind([] { BOOST_FAIL("Unexpected nack"); }),
+                                  std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
   advanceClocks(1_ms);
   hdl.cancel();
   advanceClocks(1_ms);
@@ -306,9 +305,9 @@
   // cancel after destructing face
   auto face2 = make_unique<DummyClientFace>(m_io, m_keyChain);
   auto hdl2 = face2->expressInterest(*makeInterest("/Hello/World", true, 50_ms),
-                                     bind([] { BOOST_FAIL("Unexpected data"); }),
-                                     bind([] { BOOST_FAIL("Unexpected nack"); }),
-                                     bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                                     std::bind([] { BOOST_FAIL("Unexpected data"); }),
+                                     std::bind([] { BOOST_FAIL("Unexpected nack"); }),
+                                     std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
   advanceClocks(1_ms);
   face2.reset();
   advanceClocks(1_ms);
@@ -324,14 +323,14 @@
 BOOST_AUTO_TEST_CASE(RemoveAllPendingInterests)
 {
   face.expressInterest(*makeInterest("/Hello/World/0", false, 50_ms),
-                       bind([] { BOOST_FAIL("Unexpected data"); }),
-                       bind([] { BOOST_FAIL("Unexpected nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   face.expressInterest(*makeInterest("/Hello/World/1", false, 50_ms),
-                       bind([] { BOOST_FAIL("Unexpected data"); }),
-                       bind([] { BOOST_FAIL("Unexpected nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
 
   advanceClocks(10_ms);
 
@@ -380,12 +379,12 @@
   });
   // second InterestFilter disallows loopback and should not receive Interest
   face.setInterestFilter(InterestFilter("/").allowLoopback(false),
-    bind([] { BOOST_ERROR("Unexpected Interest on second InterestFilter"); }));
+    std::bind([] { BOOST_ERROR("Unexpected Interest on second InterestFilter"); }));
 
   face.expressInterest(*makeInterest("/A", true),
-                       bind([&] { hasData = true; }),
-                       bind([] { BOOST_FAIL("Unexpected nack"); }),
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([&] { hasData = true; }),
+                       std::bind([] { BOOST_FAIL("Unexpected nack"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
   advanceClocks(1_ms);
   BOOST_CHECK_EQUAL(hasInterest1, true); // Interest looped back
   BOOST_CHECK_EQUAL(face.sentInterests.size(), 1); // Interest sent to forwarder
@@ -401,12 +400,12 @@
 {
   bool hasInterest1 = false;
   // register two Interest destinations
-  face.setInterestFilter("/", bind([&] {
+  face.setInterestFilter("/", std::bind([&] {
     hasInterest1 = true;
     // sending Data right away from the first destination, don't care whether Interest goes to second destination
     face.put(*makeData("/A/B"));
   }));
-  face.setInterestFilter("/", bind([]{}));
+  face.setInterestFilter("/", std::bind([]{}));
   advanceClocks(10_ms);
 
   face.receive(*makeInterest("/A", true));
@@ -421,7 +420,7 @@
 
 BOOST_AUTO_TEST_CASE(PutNack)
 {
-  face.setInterestFilter("/", bind([]{})); // register one Interest destination so that face can accept Nacks
+  face.setInterestFilter("/", std::bind([]{})); // register one Interest destination so that face can accept Nacks
   advanceClocks(10_ms);
 
   BOOST_CHECK_EQUAL(face.sentNacks.size(), 0);
@@ -461,7 +460,7 @@
     // sending Nack right away from the first destination, Interest should still go to second destination
     face.put(makeNack(interest, lp::NackReason::CONGESTION));
   });
-  face.setInterestFilter("/", bind([&] { hasInterest2 = true; }));
+  face.setInterestFilter("/", std::bind([&] { hasInterest2 = true; }));
   advanceClocks(10_ms);
 
   auto interest = makeInterest("/A", false, std::nullopt, 14333271);
@@ -493,16 +492,16 @@
   });
   // second InterestFilter disallows loopback and should not receive Interest
   face.setInterestFilter(InterestFilter("/").allowLoopback(false),
-    bind([] { BOOST_ERROR("Unexpected Interest on second InterestFilter"); }));
+    std::bind([] { BOOST_ERROR("Unexpected Interest on second InterestFilter"); }));
 
   auto interest = makeInterest("/A", false, std::nullopt, 28395852);
   face.expressInterest(*interest,
-                       bind([] { BOOST_FAIL("Unexpected data"); }),
+                       std::bind([] { BOOST_FAIL("Unexpected data"); }),
                        [&] (const Interest&, const lp::Nack& nack) {
                          hasNack = true;
                          BOOST_CHECK_EQUAL(nack.getReason(), lp::NackReason::CONGESTION);
                        },
-                       bind([] { BOOST_FAIL("Unexpected timeout"); }));
+                       std::bind([] { BOOST_FAIL("Unexpected timeout"); }));
   advanceClocks(1_ms);
   BOOST_CHECK_EQUAL(hasInterest1, true); // Interest looped back
   BOOST_CHECK_EQUAL(face.sentInterests.size(), 1); // Interest sent to forwarder
@@ -557,7 +556,7 @@
   // cancel after destructing face
   auto face2 = make_unique<DummyClientFace>(m_io, m_keyChain);
   hdl = face2->registerPrefix("/Hello/World/2", nullptr,
-                              bind([] { BOOST_FAIL("Unexpected registerPrefix failure"); }));
+                              std::bind([] { BOOST_FAIL("Unexpected registerPrefix failure"); }));
   advanceClocks(1_ms);
   face2.reset();
   advanceClocks(1_ms);
@@ -567,7 +566,7 @@
   // unregister after destructing face
   auto face3 = make_unique<DummyClientFace>(m_io, m_keyChain);
   hdl = face3->registerPrefix("/Hello/World/3", nullptr,
-                              bind([] { BOOST_FAIL("Unexpected registerPrefix failure"); }));
+                              std::bind([] { BOOST_FAIL("Unexpected registerPrefix failure"); }));
   advanceClocks(1_ms);
   face3.reset();
   advanceClocks(1_ms);
@@ -583,9 +582,9 @@
   size_t nInterests = 0;
   size_t nRegs = 0;
   auto hdl = face.setInterestFilter("/Hello/World",
-                                    bind([&nInterests] { ++nInterests; }),
-                                    bind([&nRegs] { ++nRegs; }),
-                                    bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                                    std::bind([&nInterests] { ++nInterests; }),
+                                    std::bind([&nRegs] { ++nRegs; }),
+                                    std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
   advanceClocks(25_ms, 4);
   BOOST_CHECK_EQUAL(nRegs, 1);
   BOOST_CHECK_EQUAL(nInterests, 0);
@@ -627,8 +626,8 @@
 {
   size_t nInterests = 0;
   auto hdl = face.setInterestFilter("/Hello/World",
-                                    bind([&nInterests] { ++nInterests; }),
-                                    bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                                    std::bind([&nInterests] { ++nInterests; }),
+                                    std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
   advanceClocks(25_ms, 4);
   BOOST_CHECK_EQUAL(nInterests, 0);
 
@@ -658,9 +657,9 @@
   // don't enable registration reply
   size_t nRegFailed = 0;
   face.setInterestFilter("/Hello/World",
-                         bind([] { BOOST_FAIL("Unexpected Interest"); }),
-                         bind([] { BOOST_FAIL("Unexpected success of setInterestFilter"); }),
-                         bind([&nRegFailed] { ++nRegFailed; }));
+                         std::bind([] { BOOST_FAIL("Unexpected Interest"); }),
+                         std::bind([] { BOOST_FAIL("Unexpected success of setInterestFilter"); }),
+                         std::bind([&nRegFailed] { ++nRegFailed; }));
 
   advanceClocks(25_ms, 4);
   BOOST_CHECK_EQUAL(nRegFailed, 0);
@@ -674,8 +673,8 @@
   // don't enable registration reply
   size_t nRegFailed = 0;
   face.setInterestFilter("/Hello/World",
-                         bind([] { BOOST_FAIL("Unexpected Interest"); }),
-                         bind([&nRegFailed] { ++nRegFailed; }));
+                         std::bind([] { BOOST_FAIL("Unexpected Interest"); }),
+                         std::bind([&nRegFailed] { ++nRegFailed; }));
 
   advanceClocks(25_ms, 4);
   BOOST_CHECK_EQUAL(nRegFailed, 0);
@@ -688,21 +687,21 @@
 {
   size_t nInInterests1 = 0;
   face.setInterestFilter("/Hello/World",
-                         bind([&nInInterests1] { ++nInInterests1; }),
+                         std::bind([&nInInterests1] { ++nInInterests1; }),
                          nullptr,
-                         bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                         std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   size_t nInInterests2 = 0;
   face.setInterestFilter("/Hello",
-                         bind([&nInInterests2] { ++nInInterests2; }),
+                         std::bind([&nInInterests2] { ++nInInterests2; }),
                          nullptr,
-                         bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                         std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   size_t nInInterests3 = 0;
   face.setInterestFilter("/Los/Angeles/Lakers",
-                         bind([&nInInterests3] { ++nInInterests3; }),
+                         std::bind([&nInInterests3] { ++nInInterests3; }),
                          nullptr,
-                         bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                         std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   advanceClocks(25_ms, 4);
 
@@ -718,9 +717,9 @@
 {
   size_t nInInterests = 0;
   face.setInterestFilter(InterestFilter("/Hello/World", "<><b><c>?"),
-                         bind([&nInInterests] { ++nInInterests; }),
+                         std::bind([&nInInterests] { ++nInInterests; }),
                          nullptr,
-                         bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                         std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   advanceClocks(25_ms, 4);
 
@@ -744,7 +743,7 @@
                            BOOST_FAIL("InterestFilter::Error should have been triggered");
                          },
                          nullptr,
-                         bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                         std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   advanceClocks(25_ms, 4);
 
@@ -755,12 +754,12 @@
 {
   size_t nInInterests = 0;
   face.setInterestFilter(InterestFilter("/Hello/World", "<><b><c>?"),
-                         bind([&nInInterests] { ++nInInterests; }));
+                         std::bind([&nInInterests] { ++nInInterests; }));
 
   size_t nRegSuccesses = 0;
   face.registerPrefix("/Hello/World",
-                      bind([&nRegSuccesses] { ++nRegSuccesses; }),
-                      bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                      std::bind([&nRegSuccesses] { ++nRegSuccesses; }),
+                      std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   advanceClocks(25_ms, 4);
   BOOST_CHECK_EQUAL(nRegSuccesses, 1);
@@ -784,7 +783,7 @@
   // Regular Face won't accept incoming packets until something is sent.
 
   int hit = 0;
-  face.setInterestFilter(Name("/"), bind([&hit] { ++hit; }));
+  face.setInterestFilter(Name("/"), std::bind([&hit] { ++hit; }));
   face.processEvents(time::milliseconds(-1));
 
   face.receive(*makeInterest("/A"));
@@ -796,7 +795,7 @@
 BOOST_AUTO_TEST_CASE(Handle)
 {
   int hit = 0;
-  InterestFilterHandle hdl = face.setInterestFilter(Name("/"), bind([&hit] { ++hit; }));
+  InterestFilterHandle hdl = face.setInterestFilter(Name("/"), std::bind([&hit] { ++hit; }));
   face.processEvents(-1_ms);
 
   face.receive(*makeInterest("/A"));
@@ -828,8 +827,8 @@
 
   size_t nRegSuccesses = 0;
   face.registerPrefix("/Hello/World",
-                      bind([&nRegSuccesses] { ++nRegSuccesses; }),
-                      bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
+                      std::bind([&nRegSuccesses] { ++nRegSuccesses; }),
+                      std::bind([] { BOOST_FAIL("Unexpected setInterestFilter failure"); }));
 
   // io_service::poll() without reset
   face.getIoService().poll();
diff --git a/tests/unit/ims/in-memory-storage.t.cpp b/tests/unit/ims/in-memory-storage.t.cpp
index f6c2a40..27caa34 100644
--- a/tests/unit/ims/in-memory-storage.t.cpp
+++ b/tests/unit/ims/in-memory-storage.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -450,7 +450,7 @@
          const time::milliseconds& freshWindow = InMemoryStorage::INFINITE_WINDOW)
   {
     auto data = makeData(name);
-    data->setContent(make_span(reinterpret_cast<const uint8_t*>(&id), sizeof(id)));
+    data->setContent({reinterpret_cast<const uint8_t*>(&id), sizeof(id)});
 
     if (modifyData != nullptr) {
       modifyData(*data);
diff --git a/tests/unit/interest.t.cpp b/tests/unit/interest.t.cpp
index 684f097..73afe60 100644
--- a/tests/unit/interest.t.cpp
+++ b/tests/unit/interest.t.cpp
@@ -27,6 +27,12 @@
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((WireEncodable<Interest>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<Interest>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Interest>));
+static_assert(std::is_convertible_v<Interest::Error*, tlv::Error*>,
+              "Interest::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestInterest)
 
 class DisableAutoCheckParametersDigest
diff --git a/tests/unit/key-locator.t.cpp b/tests/unit/key-locator.t.cpp
index d7dfe9f..7a8b636 100644
--- a/tests/unit/key-locator.t.cpp
+++ b/tests/unit/key-locator.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -23,11 +23,19 @@
 #include "ndn-cxx/encoding/block-helpers.hpp"
 
 #include "tests/boost-test.hpp"
+
 #include <boost/lexical_cast.hpp>
 
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<KeyLocator>));
+BOOST_CONCEPT_ASSERT((WireEncodable<KeyLocator>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<KeyLocator>));
+BOOST_CONCEPT_ASSERT((WireDecodable<KeyLocator>));
+static_assert(std::is_convertible_v<KeyLocator::Error*, tlv::Error*>,
+              "KeyLocator::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestKeyLocator)
 
 BOOST_AUTO_TEST_CASE(TypeNone)
diff --git a/tests/unit/link.t.cpp b/tests/unit/link.t.cpp
index fe4b45c..106541a 100644
--- a/tests/unit/link.t.cpp
+++ b/tests/unit/link.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -26,6 +26,13 @@
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Link>));
+BOOST_CONCEPT_ASSERT((WireEncodable<Link>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<Link>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Link>));
+static_assert(std::is_convertible_v<Link::Error*, Data::Error*>,
+              "Link::Error should inherit from Data::Error");
+
 BOOST_AUTO_TEST_SUITE(TestLink)
 
 const uint8_t GOOD_LINK[] = {
diff --git a/tests/unit/lp/fields.t.cpp b/tests/unit/lp/fields.t.cpp
new file mode 100644
index 0000000..e828051
--- /dev/null
+++ b/tests/unit/lp/fields.t.cpp
@@ -0,0 +1,45 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2023 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "ndn-cxx/lp/fields.hpp"
+
+namespace ndn {
+namespace lp {
+namespace tests {
+
+BOOST_CONCEPT_ASSERT((Field<FragmentField>));
+BOOST_CONCEPT_ASSERT((Field<SequenceField>));
+BOOST_CONCEPT_ASSERT((Field<FragIndexField>));
+BOOST_CONCEPT_ASSERT((Field<FragCountField>));
+BOOST_CONCEPT_ASSERT((Field<PitTokenField>));
+BOOST_CONCEPT_ASSERT((Field<NackField>));
+BOOST_CONCEPT_ASSERT((Field<IncomingFaceIdField>));
+BOOST_CONCEPT_ASSERT((Field<NextHopFaceIdField>));
+BOOST_CONCEPT_ASSERT((Field<CachePolicyField>));
+BOOST_CONCEPT_ASSERT((Field<CongestionMarkField>));
+BOOST_CONCEPT_ASSERT((Field<AckField>));
+BOOST_CONCEPT_ASSERT((Field<TxSequenceField>));
+BOOST_CONCEPT_ASSERT((Field<NonDiscoveryField>));
+BOOST_CONCEPT_ASSERT((Field<PrefixAnnouncementField>));
+
+} // namespace tests
+} // namespace lp
+} // namespace ndn
diff --git a/tests/unit/lp/pit-token.t.cpp b/tests/unit/lp/pit-token.t.cpp
index 48ef8d6..49d77c1 100644
--- a/tests/unit/lp/pit-token.t.cpp
+++ b/tests/unit/lp/pit-token.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2019 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -23,6 +23,7 @@
 #include "ndn-cxx/lp/packet.hpp"
 
 #include "tests/boost-test.hpp"
+
 #include <boost/lexical_cast.hpp>
 
 namespace ndn {
diff --git a/tests/unit/meta-info.t.cpp b/tests/unit/meta-info.t.cpp
index 19fa2d3..f909565 100644
--- a/tests/unit/meta-info.t.cpp
+++ b/tests/unit/meta-info.t.cpp
@@ -26,6 +26,12 @@
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((WireEncodable<MetaInfo>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<MetaInfo>));
+BOOST_CONCEPT_ASSERT((WireDecodable<MetaInfo>));
+static_assert(std::is_convertible_v<MetaInfo::Error*, tlv::Error*>,
+              "MetaInfo::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestMetaInfo)
 
 BOOST_AUTO_TEST_CASE(EncodeDecode)
diff --git a/tests/unit/mgmt/control-response.t.cpp b/tests/unit/mgmt/control-response.t.cpp
index c23f7f0..1dd69b1 100644
--- a/tests/unit/mgmt/control-response.t.cpp
+++ b/tests/unit/mgmt/control-response.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/control-response.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -27,6 +28,11 @@
 namespace mgmt {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((WireEncodable<ControlResponse>));
+BOOST_CONCEPT_ASSERT((WireDecodable<ControlResponse>));
+static_assert(std::is_convertible_v<ControlResponse::Error*, tlv::Error*>,
+              "ControlResponse::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(TestControlResponse)
 
diff --git a/tests/unit/mgmt/dispatcher.t.cpp b/tests/unit/mgmt/dispatcher.t.cpp
index a4897a9..9b01628 100644
--- a/tests/unit/mgmt/dispatcher.t.cpp
+++ b/tests/unit/mgmt/dispatcher.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -31,7 +31,6 @@
 namespace tests {
 
 using namespace ndn::tests;
-using std::bind;
 
 class DispatcherFixture : public IoKeyChainFixture
 {
@@ -98,25 +97,25 @@
 {
   BOOST_CHECK_NO_THROW(dispatcher
                          .addControlCommand<VoidParameters>("test/1", makeAcceptAllAuthorization(),
-                                                            bind([] { return true; }),
-                                                            bind([]{})));
+                                                            std::bind([] { return true; }),
+                                                            std::bind([]{})));
   BOOST_CHECK_NO_THROW(dispatcher
                          .addControlCommand<VoidParameters>("test/2", makeAcceptAllAuthorization(),
-                                                            bind([] { return true; }),
-                                                            bind([]{})));
+                                                            std::bind([] { return true; }),
+                                                            std::bind([]{})));
 
   BOOST_CHECK_THROW(dispatcher
                       .addControlCommand<VoidParameters>("test", makeAcceptAllAuthorization(),
-                                                         bind([] { return true; }),
-                                                         bind([]{})),
+                                                         std::bind([] { return true; }),
+                                                         std::bind([]{})),
                     std::out_of_range);
 
   BOOST_CHECK_NO_THROW(dispatcher.addStatusDataset("status/1",
-                                                   makeAcceptAllAuthorization(), bind([]{})));
+                                                   makeAcceptAllAuthorization(), std::bind([]{})));
   BOOST_CHECK_NO_THROW(dispatcher.addStatusDataset("status/2",
-                                                   makeAcceptAllAuthorization(), bind([]{})));
+                                                   makeAcceptAllAuthorization(), std::bind([]{})));
   BOOST_CHECK_THROW(dispatcher.addStatusDataset("status",
-                                                makeAcceptAllAuthorization(), bind([]{})),
+                                                makeAcceptAllAuthorization(), std::bind([]{})),
                     std::out_of_range);
 
   BOOST_CHECK_NO_THROW(dispatcher.addNotificationStream("stream/1"));
@@ -130,12 +129,12 @@
 
   BOOST_CHECK_THROW(dispatcher
                       .addControlCommand<VoidParameters>("test/3", makeAcceptAllAuthorization(),
-                                                         bind([] { return true; }),
-                                                         bind([]{})),
+                                                         std::bind([] { return true; }),
+                                                         std::bind([]{})),
                     std::domain_error);
 
   BOOST_CHECK_THROW(dispatcher.addStatusDataset("status/3",
-                                                makeAcceptAllAuthorization(), bind([]{})),
+                                                makeAcceptAllAuthorization(), std::bind([]{})),
                     std::domain_error);
 
   BOOST_CHECK_THROW(dispatcher.addNotificationStream("stream/3"), std::domain_error);
@@ -146,13 +145,13 @@
   std::map<std::string, size_t> nCallbackCalled;
   dispatcher
     .addControlCommand<VoidParameters>("test/1", makeAcceptAllAuthorization(),
-                                       bind([] { return true; }),
-                                       bind([&nCallbackCalled] { ++nCallbackCalled["test/1"]; }));
+                                       std::bind([] { return true; }),
+                                       std::bind([&nCallbackCalled] { ++nCallbackCalled["test/1"]; }));
 
   dispatcher
     .addControlCommand<VoidParameters>("test/2", makeAcceptAllAuthorization(),
-                                       bind([] { return true; }),
-                                       bind([&nCallbackCalled] { ++nCallbackCalled["test/2"]; }));
+                                       std::bind([] { return true; }),
+                                       std::bind([&nCallbackCalled] { ++nCallbackCalled["test/2"]; }));
 
   face.receive(*makeInterest("/root/1/test/1/%80%00"));
   advanceClocks(1_ms);
@@ -207,8 +206,8 @@
   dispatcher
     .addControlCommand<VoidParameters>("test",
                                        makeTestAuthorization(),
-                                       bind([] { return true; }),
-                                       bind([&nCallbackCalled] { ++nCallbackCalled; }));
+                                       std::bind([] { return true; }),
+                                       std::bind([&nCallbackCalled] { ++nCallbackCalled; }));
 
   dispatcher.addTopPrefix("/root");
   advanceClocks(1_ms);
@@ -281,7 +280,7 @@
 
   size_t nCallbackCalled = 0;
   dispatcher.addControlCommand<StatefulParameters>("test", authorization, validateParameters,
-                                                   bind([&nCallbackCalled] { ++nCallbackCalled; }));
+                                                   std::bind([&nCallbackCalled] { ++nCallbackCalled; }));
 
   dispatcher.addTopPrefix("/root");
   advanceClocks(1_ms);
diff --git a/tests/unit/mgmt/nfd/channel-status.t.cpp b/tests/unit/mgmt/nfd/channel-status.t.cpp
index dc29def..8036d0d 100644
--- a/tests/unit/mgmt/nfd/channel-status.t.cpp
+++ b/tests/unit/mgmt/nfd/channel-status.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/channel-status.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -29,6 +30,8 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<ChannelStatus>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestChannelStatus)
diff --git a/tests/unit/mgmt/nfd/control-parameters.t.cpp b/tests/unit/mgmt/nfd/control-parameters.t.cpp
index b098529..4866620 100644
--- a/tests/unit/mgmt/nfd/control-parameters.t.cpp
+++ b/tests/unit/mgmt/nfd/control-parameters.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) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/control-parameters.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -27,6 +28,11 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((WireEncodable<ControlParameters>));
+BOOST_CONCEPT_ASSERT((WireDecodable<ControlParameters>));
+static_assert(std::is_convertible_v<ControlParameters::Error*, tlv::Error*>,
+              "ControlParameters::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestControlParameters)
diff --git a/tests/unit/mgmt/nfd/cs-info.t.cpp b/tests/unit/mgmt/nfd/cs-info.t.cpp
index 3bc5f7b..70d8a20 100644
--- a/tests/unit/mgmt/nfd/cs-info.t.cpp
+++ b/tests/unit/mgmt/nfd/cs-info.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2019 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,14 +20,18 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/cs-info.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
+
 #include <boost/lexical_cast.hpp>
 
 namespace ndn {
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<CsInfo>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestCsInfo)
diff --git a/tests/unit/mgmt/nfd/face-event-notification.t.cpp b/tests/unit/mgmt/nfd/face-event-notification.t.cpp
index f1dfc38..97b3000 100644
--- a/tests/unit/mgmt/nfd/face-event-notification.t.cpp
+++ b/tests/unit/mgmt/nfd/face-event-notification.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/face-event-notification.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -29,6 +30,8 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((NotificationStreamItem<FaceEventNotification>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestFaceEventNotification)
diff --git a/tests/unit/mgmt/nfd/face-query-filter.t.cpp b/tests/unit/mgmt/nfd/face-query-filter.t.cpp
index e46d6c1..1f83f82 100644
--- a/tests/unit/mgmt/nfd/face-query-filter.t.cpp
+++ b/tests/unit/mgmt/nfd/face-query-filter.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/face-query-filter.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -29,6 +30,12 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<FaceQueryFilter>));
+BOOST_CONCEPT_ASSERT((WireEncodable<FaceQueryFilter>));
+BOOST_CONCEPT_ASSERT((WireDecodable<FaceQueryFilter>));
+static_assert(std::is_convertible_v<FaceQueryFilter::Error*, tlv::Error*>,
+              "FaceQueryFilter::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestFaceQueryFilter)
diff --git a/tests/unit/mgmt/nfd/face-status.t.cpp b/tests/unit/mgmt/nfd/face-status.t.cpp
index 405bf2c..275acf2 100644
--- a/tests/unit/mgmt/nfd/face-status.t.cpp
+++ b/tests/unit/mgmt/nfd/face-status.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/face-status.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -29,6 +30,8 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<FaceStatus>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestFaceStatus)
diff --git a/tests/unit/mgmt/nfd/fib-entry.t.cpp b/tests/unit/mgmt/nfd/fib-entry.t.cpp
index ff5d21b..81f94e5 100644
--- a/tests/unit/mgmt/nfd/fib-entry.t.cpp
+++ b/tests/unit/mgmt/nfd/fib-entry.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2019 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,14 +20,19 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/fib-entry.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
+
 #include <boost/lexical_cast.hpp>
 
 namespace ndn {
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<NextHopRecord>));
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<FibEntry>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestFibEntry)
diff --git a/tests/unit/mgmt/nfd/forwarder-status.t.cpp b/tests/unit/mgmt/nfd/forwarder-status.t.cpp
index b4eb339..6492e55 100644
--- a/tests/unit/mgmt/nfd/forwarder-status.t.cpp
+++ b/tests/unit/mgmt/nfd/forwarder-status.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/forwarder-status.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -29,6 +30,8 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<ForwarderStatus>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestForwarderStatus)
diff --git a/tests/unit/mgmt/nfd/rib-entry.t.cpp b/tests/unit/mgmt/nfd/rib-entry.t.cpp
index 950a196..3479c01 100644
--- a/tests/unit/mgmt/nfd/rib-entry.t.cpp
+++ b/tests/unit/mgmt/nfd/rib-entry.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) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,14 +20,19 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/rib-entry.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
+
 #include <boost/lexical_cast.hpp>
 
 namespace ndn {
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<Route>));
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<RibEntry>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestRibEntry)
diff --git a/tests/unit/mgmt/nfd/strategy-choice.t.cpp b/tests/unit/mgmt/nfd/strategy-choice.t.cpp
index 94c30e8..92f271c 100644
--- a/tests/unit/mgmt/nfd/strategy-choice.t.cpp
+++ b/tests/unit/mgmt/nfd/strategy-choice.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/mgmt/nfd/strategy-choice.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -29,6 +30,8 @@
 namespace nfd {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((StatusDatasetItem<StrategyChoice>));
+
 BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_AUTO_TEST_SUITE(Nfd)
 BOOST_AUTO_TEST_SUITE(TestStrategyChoice)
diff --git a/tests/unit/name-component.t.cpp b/tests/unit/name-component.t.cpp
index bd0a553..a35f980 100644
--- a/tests/unit/name-component.t.cpp
+++ b/tests/unit/name-component.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -34,6 +34,13 @@
 namespace name {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Component>));
+BOOST_CONCEPT_ASSERT((WireEncodable<Component>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<Component>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Component>));
+static_assert(std::is_convertible_v<Component::Error*, tlv::Error*>,
+              "name::Component::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestNameComponent)
 
 BOOST_AUTO_TEST_SUITE(Decode)
diff --git a/tests/unit/name.t.cpp b/tests/unit/name.t.cpp
index cfe13e0..2e107f5 100644
--- a/tests/unit/name.t.cpp
+++ b/tests/unit/name.t.cpp
@@ -24,6 +24,7 @@
 #include "tests/boost-test.hpp"
 
 #include <unordered_map>
+#include <boost/range/concepts.hpp>
 
 namespace ndn {
 namespace tests {
@@ -31,6 +32,18 @@
 using Component = name::Component;
 using UriFormat = name::UriFormat;
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Name>));
+BOOST_CONCEPT_ASSERT((WireEncodable<Name>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<Name>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Name>));
+BOOST_CONCEPT_ASSERT((boost::RandomAccessIterator<Name::iterator>));
+BOOST_CONCEPT_ASSERT((boost::RandomAccessIterator<Name::const_iterator>));
+BOOST_CONCEPT_ASSERT((boost::RandomAccessIterator<Name::reverse_iterator>));
+BOOST_CONCEPT_ASSERT((boost::RandomAccessIterator<Name::const_reverse_iterator>));
+BOOST_CONCEPT_ASSERT((boost::RandomAccessRangeConcept<Name>));
+static_assert(std::is_convertible_v<Name::Error*, tlv::Error*>,
+              "Name::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestName)
 
 // ---- encoding, decoding, and URI ----
diff --git a/tests/unit/net/face-uri.t.cpp b/tests/unit/net/face-uri.t.cpp
index 19cf24c..d21d70f 100644
--- a/tests/unit/net/face-uri.t.cpp
+++ b/tests/unit/net/face-uri.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California,
+ * Copyright (c) 2013-2023 Regents of the University of California,
  *                         Arizona Board of Regents,
  *                         Colorado State University,
  *                         University Pierre & Marie Curie, Sorbonne University,
@@ -32,9 +32,13 @@
 #include "tests/boost-test.hpp"
 #include "tests/unit/net/network-configuration-detector.hpp"
 
+#include <boost/concept_check.hpp>
+
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<FaceUri>));
+
 BOOST_AUTO_TEST_SUITE(Net)
 BOOST_AUTO_TEST_SUITE(TestFaceUri)
 
diff --git a/tests/unit/security/additional-description.t.cpp b/tests/unit/security/additional-description.t.cpp
index 2779816..82dd606 100644
--- a/tests/unit/security/additional-description.t.cpp
+++ b/tests/unit/security/additional-description.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/security/additional-description.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 
@@ -27,6 +28,13 @@
 namespace security {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<AdditionalDescription>));
+BOOST_CONCEPT_ASSERT((WireEncodable<AdditionalDescription>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<AdditionalDescription>));
+BOOST_CONCEPT_ASSERT((WireDecodable<AdditionalDescription>));
+static_assert(std::is_convertible_v<AdditionalDescription::Error*, tlv::Error*>,
+              "AdditionalDescription::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(TestAdditionalDescription)
 
diff --git a/tests/unit/security/certificate.t.cpp b/tests/unit/security/certificate.t.cpp
index 37243d6..44ae731 100644
--- a/tests/unit/security/certificate.t.cpp
+++ b/tests/unit/security/certificate.t.cpp
@@ -37,6 +37,11 @@
 
 using namespace ndn::tests;
 
+BOOST_CONCEPT_ASSERT((WireEncodable<Certificate>));
+BOOST_CONCEPT_ASSERT((WireDecodable<Certificate>));
+static_assert(std::is_convertible_v<Certificate::Error*, Data::Error*>,
+              "Certificate::Error must inherit from Data::Error");
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_FIXTURE_TEST_SUITE(TestCertificate, ClockFixture)
 
diff --git a/tests/unit/security/pib/certificate-container.t.cpp b/tests/unit/security/pib/certificate-container.t.cpp
index 55b013e..b1d4343 100644
--- a/tests/unit/security/pib/certificate-container.t.cpp
+++ b/tests/unit/security/pib/certificate-container.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -21,6 +21,7 @@
 
 #include "ndn-cxx/security/pib/certificate-container.hpp"
 #include "ndn-cxx/security/pib/impl/pib-memory.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 #include "tests/unit/security/pib/pib-data-fixture.hpp"
@@ -30,6 +31,8 @@
 namespace pib {
 namespace tests {
 
+NDN_CXX_ASSERT_FORWARD_ITERATOR(CertificateContainer::const_iterator);
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(Pib)
 BOOST_FIXTURE_TEST_SUITE(TestCertificateContainer, PibDataFixture)
diff --git a/tests/unit/security/pib/identity-container.t.cpp b/tests/unit/security/pib/identity-container.t.cpp
index 79daace..ea97da0 100644
--- a/tests/unit/security/pib/identity-container.t.cpp
+++ b/tests/unit/security/pib/identity-container.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -21,6 +21,7 @@
 
 #include "ndn-cxx/security/pib/identity-container.hpp"
 #include "ndn-cxx/security/pib/impl/pib-memory.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 #include "tests/unit/security/pib/pib-data-fixture.hpp"
@@ -30,6 +31,8 @@
 namespace pib {
 namespace tests {
 
+NDN_CXX_ASSERT_FORWARD_ITERATOR(IdentityContainer::const_iterator);
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(Pib)
 BOOST_FIXTURE_TEST_SUITE(TestIdentityContainer, PibDataFixture)
diff --git a/tests/unit/security/pib/key-container.t.cpp b/tests/unit/security/pib/key-container.t.cpp
index a7d29ef..b126bc2 100644
--- a/tests/unit/security/pib/key-container.t.cpp
+++ b/tests/unit/security/pib/key-container.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -21,6 +21,7 @@
 
 #include "ndn-cxx/security/pib/key-container.hpp"
 #include "ndn-cxx/security/pib/impl/pib-memory.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 #include "tests/unit/security/pib/pib-data-fixture.hpp"
@@ -30,6 +31,8 @@
 namespace pib {
 namespace tests {
 
+NDN_CXX_ASSERT_FORWARD_ITERATOR(KeyContainer::const_iterator);
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(Pib)
 BOOST_FIXTURE_TEST_SUITE(TestKeyContainer, PibDataFixture)
diff --git a/tests/unit/security/safe-bag.t.cpp b/tests/unit/security/safe-bag.t.cpp
index 5d24112..ade7f69 100644
--- a/tests/unit/security/safe-bag.t.cpp
+++ b/tests/unit/security/safe-bag.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -29,6 +29,9 @@
 namespace security {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((WireEncodable<SafeBag>));
+BOOST_CONCEPT_ASSERT((WireDecodable<SafeBag>));
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(TestSafeBag)
 
diff --git a/tests/unit/security/validator-null.t.cpp b/tests/unit/security/validator-null.t.cpp
index 8fc5a5e..5ad9be5 100644
--- a/tests/unit/security/validator-null.t.cpp
+++ b/tests/unit/security/validator-null.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2021 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -28,8 +28,6 @@
 namespace security {
 namespace tests {
 
-using std::bind;
-
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_FIXTURE_TEST_SUITE(TestValidatorNull, ndn::tests::KeyChainFixture)
 
@@ -41,8 +39,8 @@
 
   ValidatorNull validator;
   validator.validate(data,
-                     bind([] { BOOST_CHECK_MESSAGE(true, "Validation should succeed"); }),
-                     bind([] { BOOST_CHECK_MESSAGE(false, "Validation should not have failed"); }));
+                     std::bind([] { BOOST_CHECK_MESSAGE(true, "Validation should succeed"); }),
+                     std::bind([] { BOOST_CHECK_MESSAGE(false, "Validation should not have failed"); }));
 }
 
 BOOST_AUTO_TEST_CASE(ValidateInterest)
@@ -53,8 +51,8 @@
 
   ValidatorNull validator;
   validator.validate(interest,
-                     bind([] { BOOST_CHECK_MESSAGE(true, "Validation should succeed"); }),
-                     bind([] { BOOST_CHECK_MESSAGE(false, "Validation should not have failed"); }));
+                     std::bind([] { BOOST_CHECK_MESSAGE(true, "Validation should succeed"); }),
+                     std::bind([] { BOOST_CHECK_MESSAGE(false, "Validation should not have failed"); }));
 }
 
 BOOST_AUTO_TEST_SUITE_END() // TestValidatorNull
diff --git a/tests/unit/security/validity-period.t.cpp b/tests/unit/security/validity-period.t.cpp
index ff0089f..dbcd47f 100644
--- a/tests/unit/security/validity-period.t.cpp
+++ b/tests/unit/security/validity-period.t.cpp
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/security/validity-period.hpp"
+#include "ndn-cxx/util/concepts.hpp"
 
 #include "tests/boost-test.hpp"
 #include "tests/unit/clock-fixture.hpp"
@@ -32,6 +33,13 @@
 
 using namespace ndn::tests;
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<ValidityPeriod>));
+BOOST_CONCEPT_ASSERT((WireEncodable<ValidityPeriod>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<ValidityPeriod>));
+BOOST_CONCEPT_ASSERT((WireDecodable<ValidityPeriod>));
+static_assert(std::is_convertible_v<ValidityPeriod::Error*, tlv::Error*>,
+              "ValidityPeriod::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(TestValidityPeriod)
 
diff --git a/tests/unit/signature-info.t.cpp b/tests/unit/signature-info.t.cpp
index 6924a07..d538217 100644
--- a/tests/unit/signature-info.t.cpp
+++ b/tests/unit/signature-info.t.cpp
@@ -28,6 +28,13 @@
 namespace ndn {
 namespace tests {
 
+BOOST_CONCEPT_ASSERT((boost::EqualityComparable<SignatureInfo>));
+BOOST_CONCEPT_ASSERT((WireEncodable<SignatureInfo>));
+BOOST_CONCEPT_ASSERT((WireEncodableWithEncodingBuffer<SignatureInfo>));
+BOOST_CONCEPT_ASSERT((WireDecodable<SignatureInfo>));
+static_assert(std::is_convertible_v<SignatureInfo::Error*, tlv::Error*>,
+              "SignatureInfo::Error must inherit from tlv::Error");
+
 BOOST_AUTO_TEST_SUITE(TestSignatureInfo)
 
 BOOST_AUTO_TEST_CASE(Constructor)
diff --git a/tests/unit/util/segment-fetcher.t.cpp b/tests/unit/util/segment-fetcher.t.cpp
index cd74372..4abe243 100644
--- a/tests/unit/util/segment-fetcher.t.cpp
+++ b/tests/unit/util/segment-fetcher.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2022 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -36,7 +36,6 @@
 namespace tests {
 
 using namespace ndn::tests;
-using std::bind;
 
 class SegmentFetcherFixture : public IoKeyChainFixture
 {
@@ -93,10 +92,10 @@
   void
   connectSignals(const shared_ptr<SegmentFetcher>& fetcher)
   {
-    fetcher->onInOrderData.connect(bind(&SegmentFetcherFixture::onInOrderData, this, _1));
-    fetcher->onInOrderComplete.connect(bind(&SegmentFetcherFixture::onInOrderComplete, this));
-    fetcher->onComplete.connect(bind(&SegmentFetcherFixture::onComplete, this, _1));
-    fetcher->onError.connect(bind(&SegmentFetcherFixture::onError, this, _1));
+    fetcher->onInOrderData.connect(std::bind(&SegmentFetcherFixture::onInOrderData, this, _1));
+    fetcher->onInOrderComplete.connect(std::bind(&SegmentFetcherFixture::onInOrderComplete, this));
+    fetcher->onComplete.connect(std::bind(&SegmentFetcherFixture::onComplete, this, _1));
+    fetcher->onError.connect(std::bind(&SegmentFetcherFixture::onError, this, _1));
 
     fetcher->afterSegmentReceived.connect([this] (const auto&) { ++this->nAfterSegmentReceived; });
     fetcher->afterSegmentValidated.connect([this] (const auto &) { ++this->nAfterSegmentValidated; });
@@ -190,7 +189,7 @@
   shared_ptr<SegmentFetcher> fetcher = SegmentFetcher::start(face, Interest("/hello/world"),
                                                              acceptValidator, options);
   connectSignals(fetcher);
-  fetcher->afterSegmentTimedOut.connect(bind([&nAfterSegmentTimedOut] { ++nAfterSegmentTimedOut; }));
+  fetcher->afterSegmentTimedOut.connect([&nAfterSegmentTimedOut] { ++nAfterSegmentTimedOut; });
 
   advanceClocks(1_ms);
   BOOST_REQUIRE_EQUAL(face.sentInterests.size(), 1);
@@ -310,7 +309,7 @@
 
   shared_ptr<SegmentFetcher> fetcher = SegmentFetcher::start(face, Interest("/hello/world"),
                                                              acceptValidator);
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
   connectSignals(fetcher);
 
   face.processEvents(1_s);
@@ -333,7 +332,7 @@
   sendNackInsteadOfDropping = false;
 
   auto fetcher = SegmentFetcher::start(face, Interest("/hello/world"), acceptValidator, options);
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
   connectSignals(fetcher);
 
   face.processEvents(1_s);
@@ -358,7 +357,7 @@
 
   shared_ptr<SegmentFetcher> fetcher = SegmentFetcher::start(face, Interest("/hello/world"),
                                                              acceptValidator);
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
   connectSignals(fetcher);
 
   face.processEvents(1_s);
@@ -382,7 +381,7 @@
   defaultSegmentToSend = 47;
 
   auto fetcher = SegmentFetcher::start(face, Interest("/hello/world"), acceptValidator, options);
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
   connectSignals(fetcher);
 
   face.processEvents(1_s);
@@ -627,7 +626,7 @@
 
   shared_ptr<SegmentFetcher> fetcher = SegmentFetcher::start(face, Interest("/hello/world"),
                                                              acceptValidator);
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
   connectSignals(fetcher);
 
   face.processEvents(1_s);
@@ -652,7 +651,7 @@
 
   shared_ptr<SegmentFetcher> fetcher = SegmentFetcher::start(face, Interest("/hello/world"),
                                                              acceptValidator);
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
   connectSignals(fetcher);
 
   face.processEvents(1_s);
@@ -672,7 +671,7 @@
   segmentsToDropOrNack.push(0);
   sendNackInsteadOfDropping = true;
   nackReason = lp::NackReason::NO_ROUTE;
-  face.onSendInterest.connect(bind(&SegmentFetcherFixture::onInterest, this, _1));
+  face.onSendInterest.connect(std::bind(&SegmentFetcherFixture::onInterest, this, _1));
 
   shared_ptr<SegmentFetcher> fetcher = SegmentFetcher::start(face, Interest("/hello/world"),
                                                              acceptValidator);
diff --git a/tests/unit/util/signal.t.cpp b/tests/unit/util/signal.t.cpp
index 2c53336..b3640f9 100644
--- a/tests/unit/util/signal.t.cpp
+++ b/tests/unit/util/signal.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2019 Regents of the University of California.
+ * Copyright (c) 2013-2023 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -23,6 +23,8 @@
 
 #include "tests/boost-test.hpp"
 
+#include <boost/concept_check.hpp>
+
 namespace ndn {
 namespace util {
 namespace signal {
@@ -117,19 +119,16 @@
 class RefObject
 {
 public:
-  RefObject()
-  {
-  }
+  RefObject() = default;
 
-  RefObject(const RefObject& other)
+  RefObject(const RefObject&)
   {
     ++s_copyCount;
   }
 
 public:
-  static int s_copyCount;
+  static inline int s_copyCount = 0;
 };
-int RefObject::s_copyCount = 0;
 
 // Signal passes arguments by reference,
 // but it also allows a handler that accept arguments by value
@@ -446,6 +445,8 @@
 
 BOOST_AUTO_TEST_CASE(ConnectionEquality)
 {
+  BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Connection>));
+
   SignalOwner0 so;
 
   Connection conn1, conn2;