Use more C++17 features

Mainly structured bindings, inline variables, and class template
argument deduction, plus many more smaller things.

Change-Id: I810d17e0adb470426e4e30c898e03b3140ad052f
diff --git a/tests/daemon/table/cs.t.cpp b/tests/daemon/table/cs.t.cpp
index 85886da..b8e34de 100644
--- a/tests/daemon/table/cs.t.cpp
+++ b/tests/daemon/table/cs.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -264,12 +264,12 @@
   insert(12, nameAB);
   insert(4, nameD);
 
-  std::set<Name> expected = {nameA, nameAB, nameABC, nameD};
+  const std::set<Name> expected{nameA, nameAB, nameABC, nameD};
   std::set<Name> actual;
   for (const auto& csEntry : cs) {
     actual.insert(csEntry.getName());
   }
-  BOOST_CHECK_EQUAL_COLLECTIONS(actual.begin(), actual.end(), expected.begin(), expected.end());
+  BOOST_TEST(actual == expected, boost::test_tools::per_element());
 }
 
 BOOST_AUTO_TEST_SUITE_END() // TestCs
diff --git a/tests/daemon/table/dead-nonce-list.t.cpp b/tests/daemon/table/dead-nonce-list.t.cpp
index b4bcec9..44b0bfd 100644
--- a/tests/daemon/table/dead-nonce-list.t.cpp
+++ b/tests/daemon/table/dead-nonce-list.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2021,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -145,9 +145,6 @@
   scheduler::ScopedEventId addNonceEvent;
 };
 
-const time::nanoseconds PeriodicalInsertionFixture::LIFETIME;
-const time::nanoseconds PeriodicalInsertionFixture::ADD_INTERVAL;
-
 BOOST_FIXTURE_TEST_CASE(Lifetime, PeriodicalInsertionFixture)
 {
   BOOST_CHECK_EQUAL(dnl.getLifetime(), LIFETIME);
diff --git a/tests/daemon/table/fib.t.cpp b/tests/daemon/table/fib.t.cpp
index 101b3b9..1655fac 100644
--- a/tests/daemon/table/fib.t.cpp
+++ b/tests/daemon/table/fib.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -92,7 +92,7 @@
   // [(face1,30), (face2,40)]
   BOOST_CHECK_EQUAL(entry.getNextHops().size(), 2);
   {
-    NextHopList::const_iterator it = entry.getNextHops().begin();
+    auto it = entry.getNextHops().begin();
     BOOST_REQUIRE(it != entry.getNextHops().end());
     BOOST_CHECK_EQUAL(&it->getFace(), face1.get());
     BOOST_CHECK_EQUAL(it->getCost(), 30);
@@ -112,7 +112,7 @@
   // [(face2,10), (face1,30)]
   BOOST_CHECK_EQUAL(entry.getNextHops().size(), 2);
   {
-    NextHopList::const_iterator it = entry.getNextHops().begin();
+    auto it = entry.getNextHops().begin();
     BOOST_REQUIRE(it != entry.getNextHops().end());
     BOOST_CHECK_EQUAL(&it->getFace(), face2.get());
     BOOST_CHECK_EQUAL(it->getCost(), 10);
diff --git a/tests/daemon/table/name-tree.t.cpp b/tests/daemon/table/name-tree.t.cpp
index 2649834..6c410aa 100644
--- a/tests/daemon/table/name-tree.t.cpp
+++ b/tests/daemon/table/name-tree.t.cpp
@@ -56,6 +56,7 @@
 }
 
 BOOST_AUTO_TEST_SUITE(Hashtable)
+
 using name_tree::Hashtable;
 
 BOOST_AUTO_TEST_CASE(Modifiers)
@@ -256,7 +257,7 @@
   npe.insertPitEntry(pit2);
   BOOST_CHECK_EQUAL(npe.getPitEntries().size(), 2);
 
-  pit::Entry* pit1ptr = pit1.get();
+  auto* pit1ptr = pit1.get();
   weak_ptr<pit::Entry> pit1weak(pit1);
   pit1.reset();
   BOOST_CHECK_EQUAL(pit1weak.use_count(), 1); // npe is the sole owner of pit1
@@ -338,7 +339,6 @@
   Entry* npe0 = nt.findExactMatch(name0);
   BOOST_CHECK(npe0 == nullptr);
 
-
   // findLongestPrefixMatch
 
   Entry* temp = nullptr;
@@ -493,12 +493,10 @@
   }
 
 protected:
-  static const size_t N_BUCKETS = 16;
+  static constexpr size_t N_BUCKETS = 16;
   NameTree nt;
 };
 
-const size_t EnumerationFixture::N_BUCKETS;
-
 BOOST_FIXTURE_TEST_CASE(IteratorFullEnumerate, EnumerationFixture)
 {
   nt.lookup("/a/b/c");
@@ -556,7 +554,7 @@
 
   // Accept "root" nameA only
   auto&& enumerable = nt.partialEnumerate("/a", [] (const Entry& entry) {
-    return std::make_pair(entry.getName() == "/a", true);
+    return std::pair(entry.getName() == "/a", true);
   });
 
   EnumerationVerifier(enumerable)
@@ -570,7 +568,7 @@
 
   // Accept anything except "root" nameA
   auto&& enumerable = nt.partialEnumerate("/a", [] (const Entry& entry) {
-    return std::make_pair(entry.getName() != "/a", true);
+    return std::pair(entry.getName() != "/a", true);
   });
 
   EnumerationVerifier(enumerable)
@@ -586,7 +584,7 @@
   // No NameA
   // No SubTree from NameAB
   auto&& enumerable = nt.partialEnumerate("/a", [] (const Entry& entry) {
-      return std::make_pair(entry.getName() != "/a", entry.getName() != "/a/b");
+      return std::pair(entry.getName() != "/a", entry.getName() != "/a/b");
     });
 
   EnumerationVerifier(enumerable)
@@ -604,7 +602,7 @@
   // No NameA
   // No SubTree from NameAC
   auto&& enumerable = nt.partialEnumerate("/a", [] (const Entry& entry) {
-      return std::make_pair(entry.getName() != "/a", entry.getName() != "/a/c");
+      return std::pair(entry.getName() != "/a", entry.getName() != "/a/c");
     });
 
   EnumerationVerifier(enumerable)
@@ -621,7 +619,7 @@
 
   // No Subtree from NameA
   auto&& enumerable = nt.partialEnumerate("/a", [] (const Entry& entry) {
-      return std::make_pair(true, entry.getName() != "/a");
+      return std::pair(true, entry.getName() != "/a");
     });
 
   EnumerationVerifier(enumerable)
@@ -647,23 +645,20 @@
   nt.lookup("/E");
   nt.lookup("/F");
 
-  auto&& enumerable = nt.partialEnumerate("/A",
-    [] (const Entry& entry) {
-      bool visitEntry = false;
-      bool visitChildren = false;
+  auto&& enumerable = nt.partialEnumerate("/A", [] (const Entry& entry) {
+    bool visitEntry = false;
+    bool visitChildren = false;
 
-      Name name = entry.getName();
+    const Name& name = entry.getName();
+    if (name == "/" || name == "/A/B" || name == "/A/B/C" || name == "/A/D") {
+      visitEntry = true;
+    }
+    if (name == "/" || name == "/A" || name == "/F") {
+      visitChildren = true;
+    }
 
-      if (name == "/" || name == "/A/B" || name == "/A/B/C" || name == "/A/D") {
-        visitEntry = true;
-      }
-
-      if (name == "/" || name == "/A" || name == "/F") {
-        visitChildren = true;
-      }
-
-      return std::make_pair(visitEntry, visitChildren);
-    });
+    return std::pair(visitEntry, visitChildren);
+  });
 
   EnumerationVerifier(enumerable)
     .expect("/A/B")
diff --git a/tests/daemon/table/pit.t.cpp b/tests/daemon/table/pit.t.cpp
index 03438d4..defa768 100644
--- a/tests/daemon/table/pit.t.cpp
+++ b/tests/daemon/table/pit.t.cpp
@@ -336,9 +336,9 @@
   for (const auto& pitEntry : pit) {
     actual.insert(&pitEntry.getInterest());
   }
-  std::set<const Interest*> expected = {interestA.get(), interestABC1.get(),
-                                        interestABC2.get(), interestD.get()};
-  BOOST_CHECK_EQUAL_COLLECTIONS(actual.begin(), actual.end(), expected.begin(), expected.end());
+  const auto expected = std::set{interestA.get(), interestABC1.get(),
+                                 interestABC2.get(), interestD.get()};
+  BOOST_TEST(actual == expected, boost::test_tools::per_element());
 }
 
 BOOST_AUTO_TEST_SUITE_END() // TestPit
diff --git a/tests/daemon/table/strategy-choice.t.cpp b/tests/daemon/table/strategy-choice.t.cpp
index d99ff44..ff6b754 100644
--- a/tests/daemon/table/strategy-choice.t.cpp
+++ b/tests/daemon/table/strategy-choice.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2021,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -48,9 +48,7 @@
   insertAndGet(const Name& prefix, const Name& instanceName)
   {
     BOOST_REQUIRE(sc.insert(prefix, instanceName));
-    bool isFound;
-    Name foundName;
-    std::tie(isFound, foundName) = sc.get(prefix);
+    auto [isFound, foundName] = sc.get(prefix);
     BOOST_REQUIRE(isFound);
     return foundName;
   }
diff --git a/tests/daemon/table/strategy-info-host.t.cpp b/tests/daemon/table/strategy-info-host.t.cpp
index 2a3a33e..e4323e4 100644
--- a/tests/daemon/table/strategy-info-host.t.cpp
+++ b/tests/daemon/table/strategy-info-host.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -50,8 +50,7 @@
     ++g_DummyStrategyInfo_count;
   }
 
-  virtual
-  ~DummyStrategyInfo()
+  ~DummyStrategyInfo() override
   {
     --g_DummyStrategyInfo_count;
   }
@@ -85,19 +84,16 @@
 {
   StrategyInfoHost host;
   g_DummyStrategyInfo_count = 0;
-  bool isNew = false;
 
-  DummyStrategyInfo* info = nullptr;
-  std::tie(info, isNew) = host.insertStrategyInfo<DummyStrategyInfo>(3503);
+  auto [info, isNew] = host.insertStrategyInfo<DummyStrategyInfo>(3503);
   BOOST_CHECK_EQUAL(isNew, true);
   BOOST_CHECK_EQUAL(g_DummyStrategyInfo_count, 1);
   BOOST_REQUIRE(info != nullptr);
   BOOST_CHECK_EQUAL(info->m_id, 3503);
   BOOST_CHECK_EQUAL(host.getStrategyInfo<DummyStrategyInfo>(), info);
 
-  DummyStrategyInfo* info2 = nullptr;
-  std::tie(info2, isNew) = host.insertStrategyInfo<DummyStrategyInfo>(1032);
-  BOOST_CHECK_EQUAL(isNew, false);
+  auto [info2, isNew2] = host.insertStrategyInfo<DummyStrategyInfo>(1032);
+  BOOST_CHECK_EQUAL(isNew2, false);
   BOOST_CHECK_EQUAL(g_DummyStrategyInfo_count, 1);
   BOOST_CHECK_EQUAL(info2, info);
   BOOST_CHECK_EQUAL(info->m_id, 3503);