lp: wrap Data in PrefixAnnouncement field

Change-Id: I47e33518cec60a29d4518433245f22283b96b747
refs: 4280
diff --git a/tests/unit-tests/lp/packet.t.cpp b/tests/unit-tests/lp/packet.t.cpp
index bd6b671..5dafc20 100644
--- a/tests/unit-tests/lp/packet.t.cpp
+++ b/tests/unit-tests/lp/packet.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 Regents of the University of California.
+ * Copyright (c) 2013-2018 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 "lp/packet.hpp"
+#include "security/signature-sha256-with-rsa.hpp"
 
 #include "boost-test.hpp"
 
@@ -402,6 +403,54 @@
                                 encoded.begin(), encoded.end());
 }
 
+BOOST_AUTO_TEST_CASE(DecodePrefixAnnouncement)
+{
+  static const uint8_t inputBlock[] = {
+    0x64, 0x70, // LpPacket
+      0xfd, 0x03, 0x50, 0x3a, // PrefixAnnouncement
+        0x06, 0x38, // Data
+          0x07, 0x29, 0x08, 0x0d, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x6c,
+          0x65, 0x61, 0x72, 0x6e, 0x69, 0x6e, 0x67, 0x08, 0x03, 0x65,
+          0x64, 0x75, 0x08, 0x02, 0x75, 0x61, 0x08, 0x02, 0x63, 0x73,
+          0x08, 0x04, 0x6e, 0x65, 0x77, 0x73, 0x08, 0x05, 0xfd, 0x00,
+          0x03, 0xa5, 0xfe, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
+          0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
+      0x50, 0x30, // Fragment
+        0x06, 0x2e,  // Data
+          0x07, 0x1f, 0x08, 0x03, 0x65, 0x64, 0x75, 0x08, 0x02, 0x75,
+          0x61, 0x08, 0x02, 0x63, 0x73, 0x08, 0x04, 0x6e, 0x65, 0x77,
+          0x73, 0x08, 0x0a, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68,
+          0x74, 0x6d, 0x6c, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
+          0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
+  };
+
+  Data data1("/edu/ua/cs/news/index.html");
+  ndn::SignatureSha256WithRsa fakeSignature;
+  fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
+  data1.setSignature(fakeSignature);
+
+  Block wire;
+  wire = data1.wireEncode();
+  Packet packet;
+  BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
+
+  Name name("/self-learning/edu/ua/cs/news");
+  name.appendVersion(239102);
+  Data data2(name);
+  fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
+  data2.setSignature(fakeSignature);
+  data2.wireEncode();
+
+  PrefixAnnouncement pa;
+  pa.setData(make_shared<Data>(data2));
+
+  BOOST_CHECK_NO_THROW(packet.add<PrefixAnnouncementField>(pa));
+  Block encoded;
+  BOOST_CHECK_NO_THROW(encoded = packet.wireEncode());
+  BOOST_CHECK_EQUAL_COLLECTIONS(inputBlock, inputBlock + sizeof(inputBlock),
+                                encoded.begin(), encoded.end());
+}
+
 BOOST_AUTO_TEST_CASE(DecodeUnrecognizedTlvType)
 {
   Packet packet;
diff --git a/tests/unit-tests/lp/prefix-announcement.t.cpp b/tests/unit-tests/lp/prefix-announcement.t.cpp
new file mode 100644
index 0000000..5fdde2c
--- /dev/null
+++ b/tests/unit-tests/lp/prefix-announcement.t.cpp
@@ -0,0 +1,80 @@
+/* -*- 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.
+ *
+ * @author Teng Liang <philoliang@email.arizona.edu>
+ */
+
+#include "lp/prefix-announcement.hpp"
+#include "security/signature-sha256-with-rsa.hpp"
+
+#include "boost-test.hpp"
+#include "make-interest-data.hpp"
+
+namespace ndn {
+namespace lp {
+namespace tests {
+
+using namespace ndn::tests;
+
+BOOST_AUTO_TEST_SUITE(Lp)
+BOOST_AUTO_TEST_SUITE(TestPrefixAnnouncement)
+
+BOOST_AUTO_TEST_CASE(SetData)
+{
+  Name name1("/ndn/pa");
+  Name name2("/self-learning/ndn/pa");
+  Name name3("/self-learning/ndn/pa");
+  name3.appendVersion();
+
+  PrefixAnnouncement pa;
+  BOOST_CHECK_THROW(pa.setData(nullptr), PrefixAnnouncement::Error);
+  BOOST_CHECK_THROW(pa.setData(makeData(name1)), PrefixAnnouncement::Error);
+  BOOST_CHECK_THROW(pa.setData(makeData(name2)), PrefixAnnouncement::Error);
+  BOOST_CHECK_NO_THROW(pa.setData(makeData(name3)));
+  BOOST_CHECK_EQUAL(pa.getAnnouncedName(), "/ndn/pa");
+
+  shared_ptr<Data> data1 = makeData(name3);
+  shared_ptr<Data> data2 = makeData(name3);
+  static const uint8_t someData[] = "someData";
+  data1->setContent(someData, sizeof(someData));
+  data2->setFreshnessPeriod(10_s);
+  BOOST_CHECK_THROW(pa.setData(data1), PrefixAnnouncement::Error);
+  BOOST_CHECK_THROW(pa.setData(data2), PrefixAnnouncement::Error);
+}
+
+BOOST_AUTO_TEST_CASE(GetAnnouncedName)
+{
+  PrefixAnnouncement pa1;
+  BOOST_CHECK_THROW(pa1.getAnnouncedName(), PrefixAnnouncement::Error);
+
+  Name name("/self-learning/edu/ua/news");
+  name.appendVersion();
+
+  PrefixAnnouncement pa2(makeData(name));
+
+  BOOST_CHECK_EQUAL(pa2.getAnnouncedName(), "/edu/ua/news");
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestPrefixAnnouncement
+BOOST_AUTO_TEST_SUITE_END() // Lp
+
+} // namespace tests
+} // namespace lp
+} // namespace ndn