uhd: renamed test directory to tests to be consitent

1 files changed, 141 insertions, 0 deletions

diff --git a/host/tests/vrt_test.cpp b/host/tests/vrt_test.cpp
new file mode 100644
index 000000000..9e131a10b
--- /dev/null
+++ b/host/tests/vrt_test.cpp
@@ -0,0 +1,141 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program 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.
+//
+// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <boost/test/unit_test.hpp>
+#include <uhd/transport/vrt_if_packet.hpp>
+#include <cstdlib>
+
+using namespace uhd::transport;
+
+static void pack_and_unpack(
+    vrt::if_packet_info_t &if_packet_info_in
+){
+    boost::uint32_t header_buff[vrt::max_if_hdr_words32];
+
+    //pack metadata into a vrt header
+    vrt::if_hdr_pack_be(
+        header_buff, if_packet_info_in
+    );
+
+    vrt::if_packet_info_t if_packet_info_out;
+    if_packet_info_out.num_packet_words32 = if_packet_info_in.num_packet_words32;
+
+    //unpack the vrt header back into metadata
+    vrt::if_hdr_unpack_be(
+        header_buff, if_packet_info_out
+    );
+
+    //check the the unpacked metadata is the same
+    BOOST_CHECK_EQUAL(if_packet_info_in.packet_count, if_packet_info_out.packet_count);
+    BOOST_CHECK_EQUAL(if_packet_info_in.num_header_words32, if_packet_info_out.num_header_words32);
+    BOOST_CHECK_EQUAL(if_packet_info_in.num_payload_words32, if_packet_info_out.num_payload_words32);
+    BOOST_CHECK_EQUAL(if_packet_info_in.has_sid, if_packet_info_out.has_sid);
+    if (if_packet_info_in.has_sid and if_packet_info_out.has_sid){
+        BOOST_CHECK_EQUAL(if_packet_info_in.sid, if_packet_info_out.sid);
+    }
+    BOOST_CHECK_EQUAL(if_packet_info_in.has_cid, if_packet_info_out.has_cid);
+    if (if_packet_info_in.has_cid and if_packet_info_out.has_cid){
+        BOOST_CHECK_EQUAL(if_packet_info_in.cid, if_packet_info_out.cid);
+    }
+    BOOST_CHECK_EQUAL(if_packet_info_in.has_tsi, if_packet_info_out.has_tsi);
+    if (if_packet_info_in.has_tsi and if_packet_info_out.has_tsi){
+        BOOST_CHECK_EQUAL(if_packet_info_in.tsi, if_packet_info_out.tsi);
+    }
+    BOOST_CHECK_EQUAL(if_packet_info_in.has_tsf, if_packet_info_out.has_tsf);
+    if (if_packet_info_in.has_tsf and if_packet_info_out.has_tsf){
+        BOOST_CHECK_EQUAL(if_packet_info_in.tsf, if_packet_info_out.tsf);
+    }
+    BOOST_CHECK_EQUAL(if_packet_info_in.has_tlr, if_packet_info_out.has_tlr);
+    if (if_packet_info_in.has_tlr and if_packet_info_out.has_tlr){
+        BOOST_CHECK_EQUAL(if_packet_info_in.tlr, if_packet_info_out.tlr);
+    }
+}
+
+/***********************************************************************
+ * Loopback test the vrt packer/unpacker with various packet info combos
+ * The trailer is not tested as it is not convenient to do so.
+ **********************************************************************/
+
+BOOST_AUTO_TEST_CASE(test_with_none){
+    vrt::if_packet_info_t if_packet_info;
+    if_packet_info.packet_count = 0;
+    if_packet_info.has_sid = false;
+    if_packet_info.has_cid = false;
+    if_packet_info.has_tsi = false;
+    if_packet_info.has_tsf = false;
+    if_packet_info.has_tlr = false;
+    if_packet_info.num_payload_words32 = 0;
+    pack_and_unpack(if_packet_info);
+}
+
+BOOST_AUTO_TEST_CASE(test_with_sid){
+    vrt::if_packet_info_t if_packet_info;
+    if_packet_info.packet_count = 1;
+    if_packet_info.has_sid = true;
+    if_packet_info.has_cid = false;
+    if_packet_info.has_tsi = false;
+    if_packet_info.has_tsf = false;
+    if_packet_info.has_tlr = false;
+    if_packet_info.sid = std::rand();
+    if_packet_info.num_payload_words32 = 1111;
+    pack_and_unpack(if_packet_info);
+}
+
+static const bool cid_enb = false;
+
+BOOST_AUTO_TEST_CASE(test_with_cid){
+    vrt::if_packet_info_t if_packet_info;
+    if_packet_info.packet_count = 2;
+    if_packet_info.has_sid = false;
+    if_packet_info.has_cid = cid_enb;
+    if_packet_info.has_tsi = false;
+    if_packet_info.has_tsf = false;
+    if_packet_info.has_tlr = false;
+    if_packet_info.cid = std::rand();
+    if_packet_info.num_payload_words32 = 2222;
+    pack_and_unpack(if_packet_info);
+}
+
+BOOST_AUTO_TEST_CASE(test_with_time){
+    vrt::if_packet_info_t if_packet_info;
+    if_packet_info.packet_count = 3;
+    if_packet_info.has_sid = false;
+    if_packet_info.has_cid = false;
+    if_packet_info.has_tsi = true;
+    if_packet_info.has_tsf = true;
+    if_packet_info.has_tlr = false;
+    if_packet_info.tsi = std::rand();
+    if_packet_info.tsf = std::rand();
+    if_packet_info.num_payload_words32 = 33333;
+    pack_and_unpack(if_packet_info);
+}
+
+BOOST_AUTO_TEST_CASE(test_with_all){
+    vrt::if_packet_info_t if_packet_info;
+    if_packet_info.packet_count = 4;
+    if_packet_info.has_sid = true;
+    if_packet_info.has_cid = cid_enb;
+    if_packet_info.has_tsi = true;
+    if_packet_info.has_tsf = true;
+    if_packet_info.has_tlr = false;
+    if_packet_info.sid = std::rand();
+    if_packet_info.cid = std::rand();
+    if_packet_info.tsi = std::rand();
+    if_packet_info.tsf = std::rand();
+    if_packet_info.num_payload_words32 = 44444;
+    pack_and_unpack(if_packet_info);
+}