core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/tests/daemon/common/config-file.t.cpp b/tests/daemon/common/config-file.t.cpp
new file mode 100644
index 0000000..8eae4fb
--- /dev/null
+++ b/tests/daemon/common/config-file.t.cpp
@@ -0,0 +1,331 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common/config-file.hpp"
+
+#include "tests/test-common.hpp"
+
+#include <boost/property_tree/info_parser.hpp>
+#include <fstream>
+#include <sstream>
+
+namespace nfd {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(TestConfigFile)
+
+static const std::string CONFIG = R"CONFIG(
+  a
+  {
+    akey avalue
+  }
+  b
+  {
+    bkey bvalue
+  }
+)CONFIG";
+
+// counts of the respective section counts in config_example.info
+const int CONFIG_N_A_SECTIONS = 1;
+const int CONFIG_N_B_SECTIONS = 1;
+
+class DummySubscriber
+{
+public:
+  DummySubscriber(ConfigFile& config, int nASections, int nBSections, bool expectDryRun)
+    : m_nASections(nASections)
+    , m_nBSections(nBSections)
+    , m_nRemainingACallbacks(nASections)
+    , m_nRemainingBCallbacks(nBSections)
+    , m_expectDryRun(expectDryRun)
+  {
+  }
+
+  void
+  onA(const ConfigSection& section, bool isDryRun)
+  {
+    BOOST_CHECK_EQUAL(isDryRun, m_expectDryRun);
+    --m_nRemainingACallbacks;
+  }
+
+  void
+  onB(const ConfigSection& section, bool isDryRun)
+  {
+    BOOST_CHECK_EQUAL(isDryRun, m_expectDryRun);
+    --m_nRemainingBCallbacks;
+  }
+
+  bool
+  allCallbacksFired() const
+  {
+    return m_nRemainingACallbacks == 0 &&
+      m_nRemainingBCallbacks == 0;
+  }
+
+  bool
+  noCallbacksFired() const
+  {
+    return m_nRemainingACallbacks == m_nASections &&
+      m_nRemainingBCallbacks == m_nBSections;
+  }
+
+private:
+  int m_nASections;
+  int m_nBSections;
+  int m_nRemainingACallbacks;
+  int m_nRemainingBCallbacks;
+  bool m_expectDryRun;
+};
+
+class DummyAllSubscriber : public DummySubscriber
+{
+public:
+  explicit
+  DummyAllSubscriber(ConfigFile& config, bool expectDryRun = false)
+    : DummySubscriber(config, CONFIG_N_A_SECTIONS, CONFIG_N_B_SECTIONS, expectDryRun)
+  {
+    config.addSectionHandler("a", bind(&DummySubscriber::onA, this, _1, _2));
+    config.addSectionHandler("b", bind(&DummySubscriber::onB, this, _1, _2));
+  }
+};
+
+class DummyOneSubscriber : public DummySubscriber
+{
+public:
+  DummyOneSubscriber(ConfigFile& config, const std::string& sectionName, bool expectDryRun = false)
+    : DummySubscriber(config,
+                      (sectionName == "a"),
+                      (sectionName == "b"),
+                      expectDryRun)
+  {
+    if (sectionName == "a") {
+      config.addSectionHandler(sectionName, bind(&DummySubscriber::onA, this, _1, _2));
+    }
+    else if (sectionName == "b") {
+      config.addSectionHandler(sectionName, bind(&DummySubscriber::onB, this, _1, _2));
+    }
+    else {
+      BOOST_FAIL("Test setup error: Unexpected section name '" << sectionName << "'");
+    }
+  }
+};
+
+class DummyNoSubscriber : public DummySubscriber
+{
+public:
+  DummyNoSubscriber(ConfigFile& config, bool expectDryRun)
+    : DummySubscriber(config, 0, 0, expectDryRun)
+  {
+  }
+};
+
+BOOST_AUTO_TEST_CASE(ParseFromStream)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  std::ifstream input("tests/daemon/common/config_example.info");
+  BOOST_REQUIRE(input.is_open());
+
+  file.parse(input, false, "config_example.info");
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromEmptyStream)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  std::istringstream input;
+
+  file.parse(input, false, "empty");
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromStreamDryRun)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file, true);
+
+  std::ifstream input("tests/daemon/common/config_example.info");
+  BOOST_REQUIRE(input.is_open());
+
+  file.parse(input, true, "tests/daemon/common/config_example.info");
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromConfigSection)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  std::istringstream input(CONFIG);
+  ConfigSection section;
+  boost::property_tree::read_info(input, section);
+
+  file.parse(section, false, "dummy-config");
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromString)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  file.parse(CONFIG, false, "dummy-config");
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromEmptyString)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  file.parse("", false, "empty");
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromMalformedString)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  const std::string malformed = R"CONFIG(
+    a
+    {
+      akey avalue
+    }
+    b
+      bkey bvalue
+    }
+  )CONFIG";
+
+  BOOST_CHECK_THROW(file.parse(malformed, false, "dummy-config"), ConfigFile::Error);
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromStringDryRun)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file, true);
+
+  file.parse(CONFIG, true, "dummy-config");
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromFilename)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  file.parse("tests/daemon/common/config_example.info", false);
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromFilenameNonExistent)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  BOOST_CHECK_THROW(file.parse("i_made_this_up.info", false), ConfigFile::Error);
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromFilenameMalformed)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  BOOST_CHECK_THROW(file.parse("tests/daemon/common/config_malformed.info", false), ConfigFile::Error);
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ParseFromFilenameDryRun)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file, true);
+
+  file.parse("tests/daemon/common/config_example.info", true);
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(ReplaceSubscriber)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub1(file);
+  DummyAllSubscriber sub2(file);
+
+  file.parse(CONFIG, false, "dummy-config");
+
+  BOOST_CHECK(sub1.noCallbacksFired());
+  BOOST_CHECK(sub2.allCallbacksFired());
+}
+
+class MissingCallbackFixture
+{
+public:
+  void
+  checkMissingHandler(const std::string& filename,
+                      const std::string& sectionName,
+                      const ConfigSection& section,
+                      bool isDryRun)
+  {
+    m_missingFired = true;
+  }
+
+protected:
+  bool m_missingFired = false;
+};
+
+BOOST_FIXTURE_TEST_CASE(UncoveredSections, MissingCallbackFixture)
+{
+  ConfigFile file;
+  BOOST_REQUIRE_THROW(file.parse(CONFIG, false, "dummy-config"), ConfigFile::Error);
+
+  ConfigFile permissiveFile(bind(&MissingCallbackFixture::checkMissingHandler,
+                                 this, _1, _2, _3, _4));
+  DummyOneSubscriber subA(permissiveFile, "a");
+
+  BOOST_REQUIRE_NO_THROW(permissiveFile.parse(CONFIG, false, "dummy-config"));
+  BOOST_CHECK(subA.allCallbacksFired());
+  BOOST_CHECK(m_missingFired);
+}
+
+BOOST_AUTO_TEST_CASE(CoveredByPartialSubscribers)
+{
+  ConfigFile file;
+  DummyOneSubscriber subA(file, "a");
+  DummyOneSubscriber subB(file, "b");
+
+  file.parse(CONFIG, false, "dummy-config");
+
+  BOOST_CHECK(subA.allCallbacksFired());
+  BOOST_CHECK(subB.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestConfigFile
+
+} // namespace tests
+} // namespace nfd
diff --git a/tests/daemon/common/config_example.info b/tests/daemon/common/config_example.info
new file mode 100644
index 0000000..d61691f
--- /dev/null
+++ b/tests/daemon/common/config_example.info
@@ -0,0 +1,9 @@
+a
+{
+        akey "avalue"
+}
+
+b
+{
+        bkey "bvalue"
+}
\ No newline at end of file
diff --git a/tests/daemon/common/config_malformed.info b/tests/daemon/common/config_malformed.info
new file mode 100644
index 0000000..d3a1f9e
--- /dev/null
+++ b/tests/daemon/common/config_malformed.info
@@ -0,0 +1,9 @@
+a
+{
+        akey "avalue"
+}
+
+b
+
+        bkey "bvalue"
+}
\ No newline at end of file
diff --git a/tests/daemon/common/counter.t.cpp b/tests/daemon/common/counter.t.cpp
new file mode 100644
index 0000000..60de483
--- /dev/null
+++ b/tests/daemon/common/counter.t.cpp
@@ -0,0 +1,93 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common/counter.hpp"
+
+#include "tests/test-common.hpp"
+
+namespace nfd {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(TestCounter)
+
+BOOST_AUTO_TEST_CASE(PacketCnt)
+{
+  PacketCounter counter;
+
+  uint64_t observation = counter; // implicit conversion
+  BOOST_CHECK_EQUAL(observation, 0);
+
+  ++counter;
+  BOOST_CHECK_EQUAL(counter, 1);
+  ++counter;
+  ++counter;
+  BOOST_CHECK_EQUAL(counter, 3);
+
+  counter.set(2);
+  BOOST_CHECK_EQUAL(counter, 2);
+}
+
+BOOST_AUTO_TEST_CASE(ByteCnt)
+{
+  ByteCounter counter;
+
+  uint64_t observation = counter; // implicit conversion
+  BOOST_CHECK_EQUAL(observation, 0);
+
+  counter += 20;
+  BOOST_CHECK_EQUAL(counter, 20);
+  counter += 80;
+  counter += 90;
+  BOOST_CHECK_EQUAL(counter, 190);
+
+  counter.set(21);
+  BOOST_CHECK_EQUAL(counter, 21);
+}
+
+BOOST_AUTO_TEST_CASE(SizeCnt)
+{
+  std::vector<int> v;
+  SizeCounter<std::vector<int>> counter1(&v);
+  SizeCounter<std::vector<int>> counter2;
+  counter2.observe(&v);
+
+  size_t observation1 = counter1; // implicit conversion
+  size_t observation2 = counter2;
+  BOOST_CHECK_EQUAL(observation1, 0);
+  BOOST_CHECK_EQUAL(observation2, 0);
+
+  v.resize(249);
+  BOOST_CHECK_EQUAL(counter1, 249);
+  BOOST_CHECK_EQUAL(counter2, 249);
+
+  v.resize(98);
+  BOOST_CHECK_EQUAL(counter1, 98);
+  BOOST_CHECK_EQUAL(counter2, 98);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestCounter
+
+} // namespace tests
+} // namespace nfd
diff --git a/tests/daemon/common/global.t.cpp b/tests/daemon/common/global.t.cpp
new file mode 100644
index 0000000..dced382
--- /dev/null
+++ b/tests/daemon/common/global.t.cpp
@@ -0,0 +1,144 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common/global.hpp"
+
+#include "tests/test-common.hpp"
+#include "tests/daemon/global-io-fixture.hpp"
+#include "tests/daemon/rib-io-fixture.hpp"
+
+#include <thread>
+
+namespace nfd {
+namespace tests {
+
+BOOST_FIXTURE_TEST_SUITE(TestGlobal, GlobalIoFixture)
+
+BOOST_AUTO_TEST_CASE(ThreadLocalIoService)
+{
+  boost::asio::io_service* s1 = &getGlobalIoService();
+  boost::asio::io_service* s2 = nullptr;
+
+  std::thread t([&s2] { s2 = &getGlobalIoService(); });
+  t.join();
+
+  BOOST_CHECK(s1 != nullptr);
+  BOOST_CHECK(s2 != nullptr);
+  BOOST_CHECK(s1 != s2);
+}
+
+BOOST_AUTO_TEST_CASE(ThreadLocalScheduler)
+{
+  scheduler::Scheduler* s1 = &getScheduler();
+  scheduler::Scheduler* s2 = nullptr;
+
+  std::thread t([&s2] { s2 = &getScheduler(); });
+  t.join();
+
+  BOOST_CHECK(s1 != nullptr);
+  BOOST_CHECK(s2 != nullptr);
+  BOOST_CHECK(s1 != s2);
+}
+
+BOOST_FIXTURE_TEST_CASE(MainRibIoService, RibIoFixture)
+{
+  boost::asio::io_service* mainIo = &g_io;
+  boost::asio::io_service* ribIo = g_ribIo;
+
+  BOOST_CHECK(mainIo != ribIo);
+  BOOST_CHECK(&getGlobalIoService() == mainIo);
+  BOOST_CHECK(&getMainIoService() == mainIo);
+  BOOST_CHECK(&getRibIoService() == ribIo);
+  auto mainThreadId = std::this_thread::get_id();
+
+  runOnRibIoService([&] {
+    BOOST_CHECK(mainThreadId != std::this_thread::get_id());
+    BOOST_CHECK(&getGlobalIoService() == ribIo);
+    BOOST_CHECK(&getMainIoService() == mainIo);
+    BOOST_CHECK(&getRibIoService() == ribIo);
+  });
+
+  runOnRibIoService([&] {
+    runOnMainIoService([&] {
+      BOOST_CHECK(mainThreadId == std::this_thread::get_id());
+      BOOST_CHECK(&getGlobalIoService() == mainIo);
+      BOOST_CHECK(&getMainIoService() == mainIo);
+      BOOST_CHECK(&getRibIoService() == ribIo);
+    });
+  });
+}
+
+BOOST_FIXTURE_TEST_CASE(PollInAllThreads, RibIoFixture)
+{
+  bool hasRibRun = false;
+  runOnRibIoService([&] { hasRibRun = true; });
+  std::this_thread::sleep_for(std::chrono::seconds(1));
+  BOOST_CHECK_EQUAL(hasRibRun, false);
+
+  poll();
+  BOOST_CHECK_EQUAL(hasRibRun, true);
+
+  hasRibRun = false;
+  bool hasMainRun = false;
+  runOnMainIoService([&] {
+    hasMainRun = true;
+    runOnRibIoService([&] { hasRibRun = true; });
+  });
+  BOOST_CHECK_EQUAL(hasMainRun, false);
+  BOOST_CHECK_EQUAL(hasRibRun, false);
+
+  poll();
+  BOOST_CHECK_EQUAL(hasMainRun, true);
+  BOOST_CHECK_EQUAL(hasRibRun, true);
+}
+
+BOOST_FIXTURE_TEST_CASE(AdvanceClocks, RibIoTimeFixture)
+{
+  bool hasRibRun = false;
+  runOnRibIoService([&] { hasRibRun = true; });
+  std::this_thread::sleep_for(std::chrono::seconds(1));
+  BOOST_CHECK_EQUAL(hasRibRun, false);
+
+  advanceClocks(1_ns, 1);
+  BOOST_CHECK_EQUAL(hasRibRun, true);
+
+  hasRibRun = false;
+  bool hasMainRun = false;
+  getScheduler().schedule(250_ms, [&] {
+    hasMainRun = true;
+    runOnRibIoService([&] { hasRibRun = true; });
+  });
+  BOOST_CHECK_EQUAL(hasMainRun, false);
+  BOOST_CHECK_EQUAL(hasRibRun, false);
+
+  advanceClocks(260_ms, 2);
+  BOOST_CHECK_EQUAL(hasMainRun, true);
+  BOOST_CHECK_EQUAL(hasRibRun, true);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestGlobal
+
+} // namespace tests
+} // namespace nfd
diff --git a/tests/daemon/common/privilege-helper.t.cpp b/tests/daemon/common/privilege-helper.t.cpp
new file mode 100644
index 0000000..dcea7cb
--- /dev/null
+++ b/tests/daemon/common/privilege-helper.t.cpp
@@ -0,0 +1,73 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "common/privilege-helper.hpp"
+
+#include "tests/test-common.hpp"
+
+namespace nfd {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(TestPrivilegeHelper)
+
+BOOST_AUTO_TEST_CASE(DropRaise)
+{
+#ifdef HAVE_PRIVILEGE_DROP_AND_ELEVATE
+  SKIP_IF_NOT_SUPERUSER();
+
+  // The following assumes that daemon:daemon is present on the test system
+  PrivilegeHelper::initialize("daemon", "daemon");
+  BOOST_CHECK_EQUAL(::geteuid(), 0);
+  BOOST_CHECK_EQUAL(::getegid(), 0);
+
+  PrivilegeHelper::drop();
+  BOOST_CHECK_NE(::geteuid(), 0);
+  BOOST_CHECK_NE(::getegid(), 0);
+
+  PrivilegeHelper::runElevated([] {
+    BOOST_CHECK_EQUAL(::geteuid(), 0);
+    BOOST_CHECK_EQUAL(::getegid(), 0);
+  });
+  BOOST_CHECK_NE(::geteuid(), 0);
+  BOOST_CHECK_NE(::getegid(), 0);
+
+  BOOST_CHECK_THROW(PrivilegeHelper::runElevated(std::function<void()>{}),
+                    std::bad_function_call);
+  BOOST_CHECK_NE(::geteuid(), 0);
+  BOOST_CHECK_NE(::getegid(), 0);
+
+  PrivilegeHelper::raise();
+  BOOST_CHECK_EQUAL(::geteuid(), 0);
+  BOOST_CHECK_EQUAL(::getegid(), 0);
+
+#else
+  BOOST_TEST_MESSAGE("Dropping/raising privileges not supported on this platform, skipping");
+#endif // HAVE_PRIVILEGE_DROP_AND_ELEVATE
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestPrivilegeHelper
+
+} // namespace tests
+} // namespace nfd