From: Joel Holdsworth Date: Sat, 16 Mar 2013 12:04:49 +0000 (+0000) Subject: Implemented Basic analog tests X-Git-Tag: pulseview-0.1.0~74 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=340bc0a429a529af5348a7aaeff455ee258a86a6;p=pulseview.git Implemented Basic analog tests --- diff --git a/pv/data/analogsnapshot.h b/pv/data/analogsnapshot.h index 8eec2797..59c43187 100644 --- a/pv/data/analogsnapshot.h +++ b/pv/data/analogsnapshot.h @@ -26,6 +26,10 @@ #include #include +namespace AnalogSnapshotTest { +class Basic; +} + namespace pv { namespace data { @@ -69,6 +73,10 @@ private: private: struct Envelope _envelope_levels[ScaleStepCount]; + + friend class AnalogSnapshotTest::Basic; +}; + } // namespace data } // namespace pv diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index fdf674f5..c2831710 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -25,8 +25,10 @@ find_package(Threads) find_package(Boost 1.46 COMPONENTS unit_test_framework REQUIRED) set(pulseview_TEST_SOURCES + ${PROJECT_SOURCE_DIR}/pv/data/analogsnapshot.cpp ${PROJECT_SOURCE_DIR}/pv/data/snapshot.cpp ${PROJECT_SOURCE_DIR}/pv/data/logicsnapshot.cpp + data/analogsnapshot.cpp data/logicsnapshot.cpp test.cpp ) diff --git a/test/data/analogsnapshot.cpp b/test/data/analogsnapshot.cpp new file mode 100644 index 00000000..cd1fd773 --- /dev/null +++ b/test/data/analogsnapshot.cpp @@ -0,0 +1,125 @@ +/* + * This file is part of the PulseView project. + * + * Copyright (C) 2013 Joel Holdsworth + * + * 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 + +#define __STDC_LIMIT_MACROS +#include + +#include + +#include "../../pv/data/analogsnapshot.h" + +using namespace std; + +using pv::data::AnalogSnapshot; + +BOOST_AUTO_TEST_SUITE(AnalogSnapshotTest) + +void push_analog(AnalogSnapshot &s, unsigned int num_samples, + float value) +{ + sr_datafeed_analog analog; + analog.num_samples = num_samples; + + float *data = new float[num_samples]; + analog.data = data; + while(num_samples-- != 0) + *data++ = value; + + s.append_payload(analog); + delete[] (float*)analog.data; +} + +BOOST_AUTO_TEST_CASE(Basic) +{ + // Create an empty AnalogSnapshot object + sr_datafeed_analog analog; + analog.num_samples = 0; + analog.data = NULL; + + AnalogSnapshot s(analog); + + //----- Test AnalogSnapshot::push_analog -----// + + BOOST_CHECK(s.get_sample_count() == 0); + for (unsigned int i = 0; i < AnalogSnapshot::ScaleStepCount; i++) + { + const AnalogSnapshot::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 < AnalogSnapshot::ScaleStepCount; i++) + { + const AnalogSnapshot::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 AnalogSnapshot::Envelope &e0 = s._envelope_levels[0]; + BOOST_CHECK_EQUAL(e0.length, 1); + BOOST_CHECK_EQUAL(e0.data_length, AnalogSnapshot::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 < AnalogSnapshot::ScaleStepCount; i++) + { + const AnalogSnapshot::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, AnalogSnapshot::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 AnalogSnapshot::Envelope &e1 = s._envelope_levels[1]; + BOOST_CHECK_EQUAL(e1.length, 1); + BOOST_CHECK_EQUAL(e1.data_length, AnalogSnapshot::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()