X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=test%2Fdata%2Fanalogsegment.cpp;fp=test%2Fdata%2Fanalogsegment.cpp;h=fd7b887085acdf5acb8f8de7dd71db08be7137cb;hp=0000000000000000000000000000000000000000;hb=f3d66e52ed6b454ea7a0662d5e6367e230116a2b;hpb=ff008de665c7990d5f3408f918ff090d8e6c60b2

diff --git a/test/data/analogsegment.cpp b/test/data/analogsegment.cpp
new file mode 100644
index 0000000..fd7b887
--- /dev/null
+++ b/test/data/analogsegment.cpp
@@ -0,0 +1,116 @@
+/*
+ * 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