1 files changed, 70 insertions, 0 deletions
diff --git a/host/tests/ranges_test.cpp b/host/tests/ranges_test.cpp
new file mode 100644
index 000000000..85bb4c3c4
--- /dev/null
+++ b/host/tests/ranges_test.cpp
@@ -0,0 +1,70 @@
+//
+// Copyright 2010-2011 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/ranges.hpp>
+#include <iostream>
+
+using namespace uhd;
+
+static const double tolerance = 0.001;
+
+BOOST_AUTO_TEST_CASE(test_ranges_bounds){
+    meta_range_t mr;
+    mr.push_back(range_t(-1.0, +1.0, 0.1));
+    BOOST_CHECK_CLOSE(mr.start(), -1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.stop(), +1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.step(), 0.1, tolerance);
+
+    mr.push_back(range_t(40.0, 60.0, 1.0));
+    BOOST_CHECK_CLOSE(mr.start(), -1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.stop(), 60.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.step(), 0.1, tolerance);
+
+    BOOST_CHECK_EQUAL(mr.size(), unsigned(2));
+
+    BOOST_CHECK_CLOSE(mr[0].start(), -1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr[0].stop(), +1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr[0].step(), 0.1, tolerance);
+}
+
+BOOST_AUTO_TEST_CASE(test_ranges_clip){
+    meta_range_t mr;
+    mr.push_back(range_t(-1.0, +1.0, 0.1));
+    mr.push_back(range_t(40.0, 60.0, 1.0));
+
+    BOOST_CHECK_CLOSE(mr.clip(-30.0), -1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(70.0), 60.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(20.0), 1.0, tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(50.0), 50.0, tolerance);
+
+    BOOST_CHECK_CLOSE(mr.clip(50.9, false), 50.9, tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(50.9, true), 51.0, tolerance);
+}
+
+BOOST_AUTO_TEST_CASE(test_ranges_clip2){
+    meta_range_t mr;
+    mr.push_back(range_t(1.));
+    mr.push_back(range_t(2.));
+    mr.push_back(range_t(3.));
+
+    BOOST_CHECK_CLOSE(mr.clip(2., true), 2., tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(0., true), 1., tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(1.2, true), 1., tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(3.1, true), 3., tolerance);
+    BOOST_CHECK_CLOSE(mr.clip(4., true), 3., tolerance);
+}