1 files changed, 129 insertions, 0 deletions
diff --git a/host/tests/time_spec_test.cpp b/host/tests/time_spec_test.cpp
new file mode 100644
index 000000000..37a039cc5
--- /dev/null
+++ b/host/tests/time_spec_test.cpp
@@ -0,0 +1,129 @@
+//
+// Copyright 2010-2012 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/types/time_spec.hpp>
+#include <boost/foreach.hpp>
+#include <boost/thread.hpp> //sleep
+#include <iostream>
+#include <iomanip>
+
+BOOST_AUTO_TEST_CASE(test_time_spec_compare){
+    std::cout << "Testing time specification compare..." << std::endl;
+
+    BOOST_CHECK(uhd::time_spec_t(2.0) == uhd::time_spec_t(2.0));
+    BOOST_CHECK(uhd::time_spec_t(2.0) > uhd::time_spec_t(1.0));
+    BOOST_CHECK(uhd::time_spec_t(1.0) < uhd::time_spec_t(2.0));
+
+    BOOST_CHECK(uhd::time_spec_t(1.1) == uhd::time_spec_t(1.1));
+    BOOST_CHECK(uhd::time_spec_t(1.1) > uhd::time_spec_t(1.0));
+    BOOST_CHECK(uhd::time_spec_t(1.0) < uhd::time_spec_t(1.1));
+
+    BOOST_CHECK(uhd::time_spec_t(0.1) == uhd::time_spec_t(0.1));
+    BOOST_CHECK(uhd::time_spec_t(0.2) > uhd::time_spec_t(0.1));
+    BOOST_CHECK(uhd::time_spec_t(0.1) < uhd::time_spec_t(0.2));
+}
+
+#define CHECK_TS_EQUAL(lhs, rhs) \
+    BOOST_CHECK_CLOSE((lhs).get_real_secs(), (rhs).get_real_secs(), 0.001)
+
+BOOST_AUTO_TEST_CASE(test_time_spec_arithmetic){
+    std::cout << "Testing time specification arithmetic..." << std::endl;
+
+    CHECK_TS_EQUAL(uhd::time_spec_t(2.3) + uhd::time_spec_t(1.0), uhd::time_spec_t(3.3));
+    CHECK_TS_EQUAL(uhd::time_spec_t(2.3) - uhd::time_spec_t(1.0), uhd::time_spec_t(1.3));
+    CHECK_TS_EQUAL(uhd::time_spec_t(1.0) + uhd::time_spec_t(2.3), uhd::time_spec_t(3.3));
+    CHECK_TS_EQUAL(uhd::time_spec_t(1.0) - uhd::time_spec_t(2.3), uhd::time_spec_t(-1.3));
+}
+
+BOOST_AUTO_TEST_CASE(test_time_spec_parts){
+    std::cout << "Testing time specification parts..." << std::endl;
+
+    BOOST_CHECK_EQUAL(uhd::time_spec_t(1.1).get_full_secs(), 1);
+    BOOST_CHECK_CLOSE(uhd::time_spec_t(1.1).get_frac_secs(), 0.1, 0.001);
+    BOOST_CHECK_EQUAL(uhd::time_spec_t(1.1).to_ticks(100), 110);
+
+    BOOST_CHECK_EQUAL(uhd::time_spec_t(-1.1).get_full_secs(), -2);
+    BOOST_CHECK_CLOSE(uhd::time_spec_t(-1.1).get_frac_secs(), 0.9, 0.001);
+    BOOST_CHECK_EQUAL(uhd::time_spec_t(-1.1).to_ticks(100), -110);
+}
+
+BOOST_AUTO_TEST_CASE(test_time_spec_get_system_time){
+    std::cout << "Testing time specification get system time..." << std::endl;
+
+    //Not really checking for high resolution timing here,
+    //just need to check that system time is minimally working.
+
+    uhd::time_spec_t start = uhd::time_spec_t::get_system_time();
+    boost::this_thread::sleep(boost::posix_time::milliseconds(500));
+    uhd::time_spec_t stop = uhd::time_spec_t::get_system_time();
+
+    uhd::time_spec_t diff = stop - start;
+    std::cout << "start: " << start.get_real_secs() << std::endl;
+    std::cout << "stop: " << stop.get_real_secs() << std::endl;
+    std::cout << "diff: " << diff.get_real_secs() << std::endl;
+    BOOST_CHECK(diff.get_real_secs() > 0); //assert positive
+    BOOST_CHECK(diff.get_real_secs() < 1.0); //assert under 1s
+}
+
+BOOST_AUTO_TEST_CASE(test_time_spec_neg_values){
+    uhd::time_spec_t ts1(0.3);
+    uhd::time_spec_t ts2(1, -0.9);
+    std::cout << "ts1 " << ts1.get_real_secs() << std::endl;
+    std::cout << "ts2 " << ts2.get_real_secs() << std::endl;
+    BOOST_CHECK(ts1 > ts2);
+
+    uhd::time_spec_t tsa(430.001083);
+    uhd::time_spec_t tsb(429.999818);
+    uhd::time_spec_t tsc(0.3);
+    uhd::time_spec_t tsd = tsa - tsb;
+    std::cout << "tsa " << tsa.get_real_secs() << std::endl;
+    std::cout << "tsb " << tsb.get_real_secs() << std::endl;
+    std::cout << "tsc " << tsc.get_real_secs() << std::endl;
+    std::cout << "tsd " << tsd.get_real_secs() << std::endl;
+    BOOST_CHECK(tsa > tsb);
+    BOOST_CHECK(tsc > tsd);
+}
+
+BOOST_AUTO_TEST_CASE(test_time_large_ticks_to_time_spec)
+{
+    std::cout << "sizeof(time_t) " << sizeof(time_t) << std::endl;
+    const boost::uint64_t ticks0 = boost::uint64_t(100e6*1360217663.739296);
+    const uhd::time_spec_t t0 = uhd::time_spec_t::from_ticks(ticks0, 100e6);
+    std::cout << "t0.get_real_secs() " << t0.get_real_secs() << std::endl;
+    std::cout << "t0.get_full_secs() " << t0.get_full_secs() << std::endl;
+    std::cout << "t0.get_frac_secs() " << t0.get_frac_secs() << std::endl;
+    BOOST_CHECK_EQUAL(t0.get_full_secs(), time_t(1360217663));
+}
+
+BOOST_AUTO_TEST_CASE(test_time_error_irrational_rate)
+{
+    static const double rate = 1625e3/6;
+    const long long tick_in = 23423436291667;
+    const uhd::time_spec_t ts = uhd::time_spec_t::from_ticks(tick_in, rate);
+    const long long tick_out = ts.to_ticks(rate);
+    const long long err = tick_in - tick_out;
+
+    std::cout << std::setprecision(18);
+    std::cout << "time ............ " << ts.get_real_secs() << std::endl;
+    std::cout << "tick in ......... " << tick_in << std::endl;
+    std::cout << "tick out ........ " << tick_out << std::endl;
+    std::cout << "tick error ...... " << err << std::endl;
+    std::cout << std::endl;
+
+    BOOST_CHECK_EQUAL(err, (long long)(0));
+}