work on alignment buffer, got unit test working

1 files changed, 115 insertions, 0 deletions

diff --git a/host/test/buffer_test.cpp b/host/test/buffer_test.cpp
new file mode 100644
index 000000000..aadb3f951
--- /dev/null
+++ b/host/test/buffer_test.cpp
@@ -0,0 +1,115 @@
+//
+// 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/bounded_buffer.hpp>
+#include <uhd/transport/alignment_buffer.hpp>
+#include <boost/assign/list_of.hpp>
+
+using namespace boost::assign;
+using namespace uhd::transport;
+
+static const boost::posix_time::milliseconds timeout(10);
+
+BOOST_AUTO_TEST_CASE(test_bounded_buffer_with_timed_wait){
+    bounded_buffer<int>::sptr bb(bounded_buffer<int>::make(3));
+
+    //push elements, check for timeout
+    BOOST_CHECK(bb->push_with_timed_wait(0, timeout));
+    BOOST_CHECK(bb->push_with_timed_wait(1, timeout));
+    BOOST_CHECK(bb->push_with_timed_wait(2, timeout));
+    BOOST_CHECK(not bb->push_with_timed_wait(3, timeout));
+
+    int val;
+    //pop elements, check for timeout and check values
+    BOOST_CHECK(bb->pop_with_timed_wait(val, timeout));
+    BOOST_CHECK_EQUAL(val, 0);
+    BOOST_CHECK(bb->pop_with_timed_wait(val, timeout));
+    BOOST_CHECK_EQUAL(val, 1);
+    BOOST_CHECK(bb->pop_with_timed_wait(val, timeout));
+    BOOST_CHECK_EQUAL(val, 2);
+    BOOST_CHECK(not bb->pop_with_timed_wait(val, timeout));
+}
+
+BOOST_AUTO_TEST_CASE(test_bounded_buffer_with_pop_on_full){
+    bounded_buffer<int>::sptr bb(bounded_buffer<int>::make(3));
+
+    //push elements, check for timeout
+    BOOST_CHECK(bb->push_with_pop_on_full(0));
+    BOOST_CHECK(bb->push_with_pop_on_full(1));
+    BOOST_CHECK(bb->push_with_pop_on_full(2));
+    BOOST_CHECK(not bb->push_with_pop_on_full(3));
+
+    int val;
+    //pop elements, check for timeout and check values
+    BOOST_CHECK(bb->pop_with_timed_wait(val, timeout));
+    BOOST_CHECK_EQUAL(val, 1);
+    BOOST_CHECK(bb->pop_with_timed_wait(val, timeout));
+    BOOST_CHECK_EQUAL(val, 2);
+    BOOST_CHECK(bb->pop_with_timed_wait(val, timeout));
+    BOOST_CHECK_EQUAL(val, 3);
+}
+
+BOOST_AUTO_TEST_CASE(test_alignment_buffer){
+    alignment_buffer<int, size_t>::sptr ab(alignment_buffer<int, size_t>::make(7, 3));
+    //load index 0 with all good seq numbers
+    BOOST_CHECK(ab->push_with_pop_on_full(0, 0, 0));
+    BOOST_CHECK(ab->push_with_pop_on_full(1, 1, 0));
+    BOOST_CHECK(ab->push_with_pop_on_full(2, 2, 0));
+    BOOST_CHECK(ab->push_with_pop_on_full(3, 3, 0));
+    BOOST_CHECK(ab->push_with_pop_on_full(4, 4, 0));
+
+    //load index 1 with some skipped seq numbers
+    BOOST_CHECK(ab->push_with_pop_on_full(10, 0, 1));
+    BOOST_CHECK(ab->push_with_pop_on_full(11, 1, 1));
+    BOOST_CHECK(ab->push_with_pop_on_full(14, 4, 1));
+    BOOST_CHECK(ab->push_with_pop_on_full(15, 5, 1));
+    BOOST_CHECK(ab->push_with_pop_on_full(16, 6, 1));
+
+    //load index 2 with all good seq numbers
+    BOOST_CHECK(ab->push_with_pop_on_full(20, 0, 2));
+    BOOST_CHECK(ab->push_with_pop_on_full(21, 1, 2));
+    BOOST_CHECK(ab->push_with_pop_on_full(22, 2, 2));
+    BOOST_CHECK(ab->push_with_pop_on_full(23, 3, 2));
+    BOOST_CHECK(ab->push_with_pop_on_full(24, 4, 2));
+
+    //readback aligned values
+    std::vector<int> aligned_elems(3);
+
+    static const std::vector<int> expected_elems0 = list_of(0)(10)(20);
+    BOOST_CHECK(ab->pop_elems_with_timed_wait(aligned_elems, timeout));
+    BOOST_CHECK_EQUAL_COLLECTIONS(
+        aligned_elems.begin(), aligned_elems.end(),
+        expected_elems0.begin(), expected_elems0.end()
+    );
+
+    static const std::vector<int> expected_elems1 = list_of(1)(11)(21);
+    BOOST_CHECK(ab->pop_elems_with_timed_wait(aligned_elems, timeout));
+    BOOST_CHECK_EQUAL_COLLECTIONS(
+        aligned_elems.begin(), aligned_elems.end(),
+        expected_elems1.begin(), expected_elems1.end()
+    );
+
+    //there was a skip now find 4
+
+    static const std::vector<int> expected_elems4 = list_of(4)(14)(24);
+    BOOST_CHECK(ab->pop_elems_with_timed_wait(aligned_elems, timeout));
+    BOOST_CHECK_EQUAL_COLLECTIONS(
+        aligned_elems.begin(), aligned_elems.end(),
+        expected_elems4.begin(), expected_elems4.end()
+    );
+}