--- /dev/null
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <extdef.h>
+
+#include <stdint.h>
+
+#include <boost/test/unit_test.hpp>
+
+#include <pv/data/analogsegment.hpp>
+
+using pv::data::AnalogSegment;
+
+#if 0
+BOOST_AUTO_TEST_SUITE(AnalogSegmentTest)
+
+void push_analog(AnalogSegment &s, unsigned int num_samples,
+ float value)
+{
+ float *const data = new float[num_samples];
+ for (unsigned int i = 0; i < num_samples; i++)
+ data[i] = value;
+
+ s.append_interleaved_samples(data, num_samples, 1);
+ delete[] data;
+}
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+ // Create an empty AnalogSegment object
+ AnalogSegment s;
+
+ //----- Test AnalogSegment::push_analog -----//
+
+ BOOST_CHECK(s.get_sample_count() == 0);
+ for (unsigned int i = 0; i < AnalogSegment::ScaleStepCount; i++)
+ {
+ const AnalogSegment::Envelope &m = s.envelope_levels_[i];
+ BOOST_CHECK_EQUAL(m.length, 0);
+ BOOST_CHECK_EQUAL(m.data_length, 0);
+ BOOST_CHECK(m.samples == NULL);
+ }
+
+ // Push 8 samples of all zeros
+ push_analog(s, 8, 0.0f);
+
+ BOOST_CHECK(s.get_sample_count() == 8);
+
+ // There should not be enough samples to have a single mip map sample
+ for (unsigned int i = 0; i < AnalogSegment::ScaleStepCount; i++)
+ {
+ const AnalogSegment::Envelope &m = s.envelope_levels_[i];
+ BOOST_CHECK_EQUAL(m.length, 0);
+ BOOST_CHECK_EQUAL(m.data_length, 0);
+ BOOST_CHECK(m.samples == NULL);
+ }
+
+ // Push 8 samples of 1.0s to bring the total up to 16
+ push_analog(s, 8, 1.0f);
+
+ // There should now be enough data for exactly one sample
+ // in mip map level 0, and that sample should be 0
+ const AnalogSegment::Envelope &e0 = s.envelope_levels_[0];
+ BOOST_CHECK_EQUAL(e0.length, 1);
+ BOOST_CHECK_EQUAL(e0.data_length, AnalogSegment::EnvelopeDataUnit);
+ BOOST_REQUIRE(e0.samples != NULL);
+ BOOST_CHECK_EQUAL(e0.samples[0].min, 0.0f);
+ BOOST_CHECK_EQUAL(e0.samples[0].max, 1.0f);
+
+ // The higher levels should still be empty
+ for (unsigned int i = 1; i < AnalogSegment::ScaleStepCount; i++)
+ {
+ const AnalogSegment::Envelope &m = s.envelope_levels_[i];
+ BOOST_CHECK_EQUAL(m.length, 0);
+ BOOST_CHECK_EQUAL(m.data_length, 0);
+ BOOST_CHECK(m.samples == NULL);
+ }
+
+ // Push 240 samples of all zeros to bring the total up to 256
+ push_analog(s, 240, -1.0f);
+
+ BOOST_CHECK_EQUAL(e0.length, 16);
+ BOOST_CHECK_EQUAL(e0.data_length, AnalogSegment::EnvelopeDataUnit);
+
+ for (unsigned int i = 1; i < e0.length; i++) {
+ BOOST_CHECK_EQUAL(e0.samples[i].min, -1.0f);
+ BOOST_CHECK_EQUAL(e0.samples[i].max, -1.0f);
+ }
+
+ const AnalogSegment::Envelope &e1 = s.envelope_levels_[1];
+ BOOST_CHECK_EQUAL(e1.length, 1);
+ BOOST_CHECK_EQUAL(e1.data_length, AnalogSegment::EnvelopeDataUnit);
+ BOOST_REQUIRE(e1.samples != NULL);
+ BOOST_CHECK_EQUAL(e1.samples[0].min, -1.0f);
+ BOOST_CHECK_EQUAL(e1.samples[0].max, 1.0f);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+#endif