diff --git a/tests/daemon/common/global.t.cpp b/tests/daemon/common/global.t.cpp
new file mode 100644
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+++ 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