Rename 'tests/unit-tests' directory to 'tests/unit'

Change-Id: I78ea29938259fac288781bed12fb2399ac7eba26
diff --git a/tests/unit/security/transform/strip-space.t.cpp b/tests/unit/security/transform/strip-space.t.cpp
new file mode 100644
index 0000000..db8fa84
--- /dev/null
+++ b/tests/unit/security/transform/strip-space.t.cpp
@@ -0,0 +1,77 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2018 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 "security/transform/strip-space.hpp"
+#include "security/transform/step-source.hpp"
+#include "security/transform/stream-sink.hpp"
+#include "encoding/buffer-stream.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+namespace security {
+namespace transform {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Security)
+BOOST_AUTO_TEST_SUITE(Transform)
+BOOST_AUTO_TEST_SUITE(TestStripSpace)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  const char* input = R"STR(
+    Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor
+    incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud
+    exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
+    irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
+    pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia
+    deserunt mollit anim id est laborum.
+  )STR";
+  size_t inputLen = strlen(input);
+
+  OBufferStream os;
+  StepSource source;
+  source >> stripSpace() >> streamSink(os);
+
+  for (size_t offset = 0; offset < inputLen; offset += 40) {
+    source.write(reinterpret_cast<const uint8_t*>(input + offset),
+                 std::min<size_t>(40, inputLen - offset));
+  }
+  source.end();
+
+  std::string expected(
+    "Loremipsumdolorsitamet,consecteturadipiscingelit,seddoeiusmodtemporincididuntutl"
+    "aboreetdoloremagnaaliqua.Utenimadminimveniam,quisnostrudexercitationullamcolabor"
+    "isnisiutaliquipexeacommodoconsequat.Duisauteiruredolorinreprehenderitinvoluptate"
+    "velitessecillumdoloreeufugiatnullapariatur.Excepteursintoccaecatcupidatatnonproi"
+    "dent,suntinculpaquiofficiadeseruntmollitanimidestlaborum.");
+  ConstBufferPtr buf = os.buf();
+  BOOST_CHECK_EQUAL(std::string(buf->get<char>(), buf->size()), expected);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestStripSpace
+BOOST_AUTO_TEST_SUITE_END() // Transform
+BOOST_AUTO_TEST_SUITE_END() // Security
+
+} // namespace tests
+} // namespace transform
+} // namespace security
+} // namespace ndn