mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2025-04-07 03:07:02 +00:00
Added unit tests for unpack_2bit_samples
This commit is contained in:
Cillian O'Driscoll
parent
3ca18df229
commit
48ae3f1e83
@ -119,6 +119,7 @@ include_directories(
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${CMAKE_SOURCE_DIR}/src/algorithms/telemetry_decoder/gnuradio_blocks
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${CMAKE_SOURCE_DIR}/src/algorithms/telemetry_decoder/libs
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${CMAKE_SOURCE_DIR}/src/algorithms/signal_source/adapters
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${CMAKE_SOURCE_DIR}/src/algorithms/signal_source/gnuradio_blocks
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${CMAKE_SOURCE_DIR}/src/algorithms/signal_generator/adapters
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${CMAKE_SOURCE_DIR}/src/algorithms/signal_generator/gnuradio_blocks
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${CMAKE_SOURCE_DIR}/src/algorithms/input_filter/adapters
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@ -267,7 +268,7 @@ target_link_libraries(gnss_block_test ${Boost_LIBRARIES}
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out_adapters
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${VOLK_GNSSSDR_LIBRARIES} ${ORC_LIBRARIES}
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)
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add_test(gnss_block_test gnss_block_test)
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if(NOT ${GTEST_DIR_LOCAL})
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add_dependencies(gnss_block_test gtest-${gtest_RELEASE})
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@ -275,6 +276,38 @@ else(NOT ${GTEST_DIR_LOCAL})
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add_dependencies(gnss_block_test gtest)
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endif(NOT ${GTEST_DIR_LOCAL})
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add_executable(gnuradio_block_test
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${CMAKE_CURRENT_SOURCE_DIR}/single_test_main.cc
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${CMAKE_CURRENT_SOURCE_DIR}/gnuradio_block/unpack_2bit_samples_test.cc
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)
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if(NOT ${ENABLE_PACKAGING})
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set_property(TARGET gnuradio_block_test PROPERTY EXCLUDE_FROM_ALL TRUE)
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endif(NOT ${ENABLE_PACKAGING})
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target_link_libraries(gnuradio_block_test ${Boost_LIBRARIES}
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${GFLAGS_LIBS}
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${GLOG_LIBRARIES}
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${GTEST_LIBRARIES}
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${GNURADIO_RUNTIME_LIBRARIES}
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${GNURADIO_BLOCKS_LIBRARIES}
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${GNURADIO_FILTER_LIBRARIES}
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${GNURADIO_ANALOG_LIBRARIES}
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gnss_sp_libs
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gnss_rx
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gnss_system_parameters
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# signal_generator_blocks
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out_adapters
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${VOLK_GNSSSDR_LIBRARIES} ${ORC_LIBRARIES}
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)
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add_test(gnuradio_block_test gnuradio_block_test)
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if(NOT ${GTEST_DIR_LOCAL})
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add_dependencies(gnuradio_block_test gtest-${gtest_RELEASE})
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else(NOT ${GTEST_DIR_LOCAL})
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add_dependencies(gnuradio_block_test gtest)
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endif(NOT ${GTEST_DIR_LOCAL})
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# add_executable(acq_test ${EXCLUDE}
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# ${CMAKE_CURRENT_SOURCE_DIR}/single_test_main.cc
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# ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/gps_l1_ca_pcps_acquisition_test.cc
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@ -328,5 +361,6 @@ else(NOT ${GTEST_DIR_LOCAL})
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add_dependencies(trk_test gtest)
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endif(NOT ${GTEST_DIR_LOCAL})
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add_dependencies(check control_thread_test flowgraph_test gnss_block_test trk_test)
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add_dependencies(check control_thread_test flowgraph_test gnss_block_test
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gnuradio_block_test trk_test)
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310
src/tests/gnuradio_block/unpack_2bit_samples_test.cc
Normal file
310
src/tests/gnuradio_block/unpack_2bit_samples_test.cc
Normal file
@ -0,0 +1,310 @@
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/*!
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* \file unpack_2bit_samples_test.cc
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* \brief This file implements unit tests for the unpack_2bit_samples
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* custom block
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* \author Cillian O'Driscoll, 2015. cillian.odriscoll (at) gmail.com
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include <gtest/gtest.h>
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#include <gnuradio/top_block.h>
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#include <gnuradio/blocks/vector_source_b.h>
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#include <gnuradio/blocks/vector_source_s.h>
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#include <gnuradio/blocks/vector_sink_b.h>
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#include <gnuradio/blocks/stream_to_vector.h>
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#include "unpack_2bit_samples.h"
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std::vector< uint8_t > packData( std::vector< int8_t > const & raw_data,
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bool big_endian )
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{
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std::vector< uint8_t > packed_data( raw_data.size()/4 );
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int shift = ( big_endian ? 6 : 0 );
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unsigned int j = 0;
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for( unsigned int i = 0; i < raw_data.size(); ++i )
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{
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unsigned val = static_cast< unsigned >( (raw_data[i] - 1 )/2 & 0x03 );
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packed_data[j] |= val << shift;
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if( big_endian )
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{
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shift -= 2;
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if( shift < 0 )
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{
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shift = 6;
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j++;
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}
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}
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else
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{
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shift += 2;
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if( shift > 6 )
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{
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shift = 0;
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j++;
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}
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}
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}
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return packed_data;
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}
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TEST(Unpack_2bit_Samples_Test, CheckBigEndianByte)
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{
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bool big_endian_bytes = true;
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size_t item_size = 1;
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bool big_endian_items = false;
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std::vector< int8_t > raw_data = { -1, 3, 1, -1, -3, 1, 3, 1 };
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std::vector< uint8_t > packed_data = packData( raw_data, big_endian_bytes );
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std::vector< uint8_t > unpacked_data;
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gr::top_block_sptr top_block = gr::make_top_block("unpack_2bit_samples_test");
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gr::blocks::vector_source_b::sptr source =
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gr::blocks::vector_source_b::make( packed_data );
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boost::shared_ptr<gr::block> unpacker =
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make_unpack_2bit_samples(big_endian_bytes,
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item_size,
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big_endian_items );
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gr::blocks::stream_to_vector::sptr stov =
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gr::blocks::stream_to_vector::make( item_size, raw_data.size() );
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gr::blocks::vector_sink_b::sptr sink =
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gr::blocks::vector_sink_b::make( raw_data.size() );
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top_block->connect(source, 0, unpacker, 0);
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top_block->connect(unpacker, 0, stov, 0 );
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top_block->connect(stov, 0, sink, 0);
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top_block->run();
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top_block->stop();
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unpacked_data = sink->data();
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EXPECT_EQ( raw_data.size(), unpacked_data.size() );
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for( unsigned int i = 0; i < raw_data.size(); ++i )
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{
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EXPECT_EQ( raw_data[i], static_cast< int8_t >( unpacked_data[i] ) );
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}
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}
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TEST(Unpack_2bit_Samples_Test, CheckLittleEndianByte)
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{
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bool big_endian_bytes = false;
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size_t item_size = 1;
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bool big_endian_items = false;
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std::vector< int8_t > raw_data = { -1, 3, 1, -1, -3, 1, 3, 1 };
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std::vector< uint8_t > packed_data = packData( raw_data, big_endian_bytes );
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std::vector< uint8_t > unpacked_data;
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gr::top_block_sptr top_block = gr::make_top_block("unpack_2bit_samples_test");
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gr::blocks::vector_source_b::sptr source =
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gr::blocks::vector_source_b::make( packed_data );
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boost::shared_ptr<gr::block> unpacker =
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make_unpack_2bit_samples(big_endian_bytes,
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item_size,
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big_endian_items );
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gr::blocks::stream_to_vector::sptr stov =
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gr::blocks::stream_to_vector::make( item_size, raw_data.size() );
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gr::blocks::vector_sink_b::sptr sink =
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gr::blocks::vector_sink_b::make( raw_data.size() );
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top_block->connect(source, 0, unpacker, 0);
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top_block->connect(unpacker, 0, stov, 0 );
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top_block->connect(stov, 0, sink, 0);
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top_block->run();
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top_block->stop();
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unpacked_data = sink->data();
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EXPECT_EQ( raw_data.size(), unpacked_data.size() );
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for( unsigned int i = 0; i < raw_data.size(); ++i )
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{
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EXPECT_EQ( raw_data[i], static_cast< int8_t >( unpacked_data[i] ) );
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}
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}
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TEST(Unpack_2bit_Samples_Test, CheckBigEndianShortBigEndianByte)
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{
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bool big_endian_bytes = true;
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size_t item_size = 2;
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bool big_endian_items = true;
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std::vector< int8_t > raw_data = { -1, 3, 1, -1, -3, 1, 3, 1 };
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std::vector< uint8_t > packed_data = packData( raw_data, big_endian_bytes );
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// change the order of each pair of bytes:
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for( unsigned int ii = 0; ii < packed_data.size(); ii+=item_size )
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{
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unsigned int kk = ii + item_size - 1;
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unsigned int jj = ii;
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while( kk > jj )
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{
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uint8_t tmp = packed_data[jj];
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packed_data[jj] = packed_data[kk];
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packed_data[kk] = tmp;
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--kk;
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++jj;
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}
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}
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// Now create a new big endian buffer:
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std::vector< int16_t > packed_data_short(
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reinterpret_cast< int16_t *>( &packed_data[0] ),
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reinterpret_cast< int16_t * >( &packed_data[0] )
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+ packed_data.size()/item_size);
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std::vector< uint8_t > unpacked_data;
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gr::top_block_sptr top_block = gr::make_top_block("unpack_2bit_samples_test");
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gr::blocks::vector_source_s::sptr source =
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gr::blocks::vector_source_s::make( packed_data_short );
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boost::shared_ptr<gr::block> unpacker =
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make_unpack_2bit_samples(big_endian_bytes,
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item_size,
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big_endian_items );
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gr::blocks::stream_to_vector::sptr stov =
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gr::blocks::stream_to_vector::make( 1, raw_data.size() );
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gr::blocks::vector_sink_b::sptr sink =
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gr::blocks::vector_sink_b::make( raw_data.size() );
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top_block->connect(source, 0, unpacker, 0);
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top_block->connect(unpacker, 0, stov, 0 );
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top_block->connect(stov, 0, sink, 0);
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top_block->run();
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top_block->stop();
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unpacked_data = sink->data();
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EXPECT_EQ( raw_data.size(), unpacked_data.size() );
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for( unsigned int i = 0; i < raw_data.size(); ++i )
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{
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EXPECT_EQ( raw_data[i], static_cast< int8_t >( unpacked_data[i] ) );
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}
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}
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TEST(Unpack_2bit_Samples_Test, CheckBigEndianShortLittleEndianByte)
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{
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bool big_endian_bytes = false;
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size_t item_size = 2;
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bool big_endian_items = true;
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std::vector< int8_t > raw_data = { -1, 3, 1, -1, -3, 1, 3, 1 };
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std::vector< uint8_t > packed_data = packData( raw_data, big_endian_bytes );
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// change the order of each pair of bytes:
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for( unsigned int ii = 0; ii < packed_data.size(); ii+=item_size )
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{
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unsigned int kk = ii + item_size - 1;
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unsigned int jj = ii;
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while( kk > jj )
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{
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uint8_t tmp = packed_data[jj];
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packed_data[jj] = packed_data[kk];
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packed_data[kk] = tmp;
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--kk;
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++jj;
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}
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}
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// Now create a new big endian buffer:
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std::vector< int16_t > packed_data_short(
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reinterpret_cast< int16_t *>( &packed_data[0] ),
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reinterpret_cast< int16_t * >( &packed_data[0] )
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+ packed_data.size()/item_size);
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std::vector< uint8_t > unpacked_data;
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gr::top_block_sptr top_block = gr::make_top_block("unpack_2bit_samples_test");
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gr::blocks::vector_source_s::sptr source =
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gr::blocks::vector_source_s::make( packed_data_short );
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boost::shared_ptr<gr::block> unpacker =
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make_unpack_2bit_samples(big_endian_bytes,
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item_size,
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big_endian_items );
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gr::blocks::stream_to_vector::sptr stov =
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gr::blocks::stream_to_vector::make( 1, raw_data.size() );
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gr::blocks::vector_sink_b::sptr sink =
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gr::blocks::vector_sink_b::make( raw_data.size() );
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top_block->connect(source, 0, unpacker, 0);
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top_block->connect(unpacker, 0, stov, 0 );
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top_block->connect(stov, 0, sink, 0);
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top_block->run();
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top_block->stop();
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unpacked_data = sink->data();
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EXPECT_EQ( raw_data.size(), unpacked_data.size() );
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for( unsigned int i = 0; i < raw_data.size(); ++i )
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{
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EXPECT_EQ( raw_data[i], static_cast< int8_t >( unpacked_data[i] ) );
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}
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}
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