2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
25 #include <boost/test/unit_test.hpp>
27 #include <pv/data/analogsegment.hpp>
29 using pv::data::AnalogSegment;
31 BOOST_AUTO_TEST_SUITE(AnalogSegmentTest)
33 void push_analog(AnalogSegment &s, unsigned int num_samples,
36 float *const data = new float[num_samples];
37 for (unsigned int i = 0; i < num_samples; i++)
40 s.append_interleaved_samples(data, num_samples, 1);
44 BOOST_AUTO_TEST_CASE(Basic)
46 // Create an empty AnalogSegment object
49 //----- Test AnalogSegment::push_analog -----//
51 BOOST_CHECK(s.get_sample_count() == 0);
52 for (unsigned int i = 0; i < AnalogSegment::ScaleStepCount; i++)
54 const AnalogSegment::Envelope &m = s.envelope_levels_[i];
55 BOOST_CHECK_EQUAL(m.length, 0);
56 BOOST_CHECK_EQUAL(m.data_length, 0);
57 BOOST_CHECK(m.samples == nullptr);
60 // Push 8 samples of all zeros
61 push_analog(s, 8, 0.0f);
63 BOOST_CHECK(s.get_sample_count() == 8);
65 // There should not be enough samples to have a single mip map sample
66 for (unsigned int i = 0; i < AnalogSegment::ScaleStepCount; i++)
68 const AnalogSegment::Envelope &m = s.envelope_levels_[i];
69 BOOST_CHECK_EQUAL(m.length, 0);
70 BOOST_CHECK_EQUAL(m.data_length, 0);
71 BOOST_CHECK(m.samples == nullptr);
74 // Push 8 samples of 1.0s to bring the total up to 16
75 push_analog(s, 8, 1.0f);
77 // There should now be enough data for exactly one sample
78 // in mip map level 0, and that sample should be 0
79 const AnalogSegment::Envelope &e0 = s.envelope_levels_[0];
80 BOOST_CHECK_EQUAL(e0.length, 1);
81 BOOST_CHECK_EQUAL(e0.data_length, AnalogSegment::EnvelopeDataUnit);
82 BOOST_REQUIRE(e0.samples != nullptr);
83 BOOST_CHECK_EQUAL(e0.samples[0].min, 0.0f);
84 BOOST_CHECK_EQUAL(e0.samples[0].max, 1.0f);
86 // The higher levels should still be empty
87 for (unsigned int i = 1; i < AnalogSegment::ScaleStepCount; i++)
89 const AnalogSegment::Envelope &m = s.envelope_levels_[i];
90 BOOST_CHECK_EQUAL(m.length, 0);
91 BOOST_CHECK_EQUAL(m.data_length, 0);
92 BOOST_CHECK(m.samples == nullptr);
95 // Push 240 samples of all zeros to bring the total up to 256
96 push_analog(s, 240, -1.0f);
98 BOOST_CHECK_EQUAL(e0.length, 16);
99 BOOST_CHECK_EQUAL(e0.data_length, AnalogSegment::EnvelopeDataUnit);
101 for (unsigned int i = 1; i < e0.length; i++) {
102 BOOST_CHECK_EQUAL(e0.samples[i].min, -1.0f);
103 BOOST_CHECK_EQUAL(e0.samples[i].max, -1.0f);
106 const AnalogSegment::Envelope &e1 = s.envelope_levels_[1];
107 BOOST_CHECK_EQUAL(e1.length, 1);
108 BOOST_CHECK_EQUAL(e1.data_length, AnalogSegment::EnvelopeDataUnit);
109 BOOST_REQUIRE(e1.samples != nullptr);
110 BOOST_CHECK_EQUAL(e1.samples[0].min, -1.0f);
111 BOOST_CHECK_EQUAL(e1.samples[0].max, 1.0f);
114 BOOST_AUTO_TEST_SUITE_END()