Add unit tests for Data Type Adapter blocks

src/tests/test_main.cc

@@ -82,6 +82,7 @@ DECLARE_string(log_dir);
 #include "unit-tests/signal-processing-blocks/sources/gnss_sdr_valve_test.cc"
 
 #include "unit-tests/signal-processing-blocks/adapter/pass_through_test.cc"
+#include "unit-tests/signal-processing-blocks/adapter/adapter_test.cc"
 
 #include "unit-tests/signal-processing-blocks/filter/fir_filter_test.cc"
 

src/tests/unit-tests/signal-processing-blocks/adapter/adapter_test.cc

@@ -0,0 +1,407 @@
+/*!
+ * \file adapter_test.cc
+ * \brief  This file implements tests for the DataTypeAdapter block
+ * \author Carles Fernandez-Prades, 2017. cfernandez(at)cttc.es
+ *
+ *
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2017  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * GNSS-SDR 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * -------------------------------------------------------------------------
+ */
+
+#include <algorithm>
+#include <cstdint>
+#include <fstream>
+#include <iterator>
+#include <vector>
+#include <gnuradio/blocks/file_source.h>
+#include <volk_gnsssdr/volk_gnsssdr.h>
+#include "byte_to_short.h"
+#include "ibyte_to_cbyte.h"
+#include "ibyte_to_complex.h"
+#include "ibyte_to_cshort.h"
+#include "ishort_to_complex.h"
+#include "ishort_to_cshort.h"
+#include "in_memory_configuration.h"
+
+
+class DataTypeAdapter: public ::testing::Test
+{
+public:
+    DataTypeAdapter();
+    ~DataTypeAdapter();
+    int run_byte_to_short_block();
+    int run_ibyte_to_cbyte_block();
+    int run_ibyte_to_complex_block();
+    int run_ibyte_to_cshort_block();
+    int run_ishort_to_complex_block();
+    int run_ishort_to_cshort_block();
+    std::string file_name_input;
+    std::string file_name_output;
+    std::vector<int8_t> input_data_bytes;
+    std::vector<short> input_data_shorts;
+};
+
+
+DataTypeAdapter::DataTypeAdapter()
+{
+    file_name_input = "adapter_test_input.dat";
+    file_name_output = "adapter_test_output.dat";
+    int8_t input_bytes[] = {2, 23, -1, 127, -127, 0};
+    short input_shorts[] = {2, 23, -1, 127, -127, 0, 255, 255};
+
+    const std::vector<int8_t> input_data_bytes_(input_bytes, input_bytes + sizeof(input_bytes) / sizeof(int8_t));
+    input_data_bytes = input_data_bytes_;
+
+    const std::vector<short> input_data_shorts_(input_shorts, input_shorts + sizeof(input_shorts) / sizeof(short));
+    input_data_shorts = input_data_shorts_;
+}
+
+
+DataTypeAdapter::~DataTypeAdapter()
+{}
+
+
+int DataTypeAdapter::run_ishort_to_cshort_block()
+{
+    std::shared_ptr<ConfigurationInterface> config = std::make_shared<InMemoryConfiguration>();
+    config->set_property("Test.implementation", "Ishort_To_Cshort");
+    std::shared_ptr<IshortToCshort> ishort_to_cshort = std::make_shared<IshortToCshort>(config.get(), "Test", 1, 1);
+    std::string expected_implementation = "Ishort_To_Cshort";
+    EXPECT_EQ(expected_implementation, ishort_to_cshort->implementation());
+
+    std::ofstream ofs(file_name_input.c_str(), std::ofstream::binary);
+    for(std::vector<short>::const_iterator i = input_data_shorts.begin(); i != input_data_shorts.end(); ++i)
+        {
+            short aux = *i;
+            ofs.write(reinterpret_cast<const char*>(&aux), sizeof(short));
+        }
+    ofs.close();
+
+    auto top_block = gr::make_top_block("Ishort_To_Cshort test");
+    auto file_source = gr::blocks::file_source::make(sizeof(short), file_name_input.c_str());
+    auto sink = gr::blocks::file_sink::make(sizeof(lv_16sc_t), file_name_output.c_str(), false);
+
+    EXPECT_NO_THROW( {
+        top_block->connect(file_source, 0, ishort_to_cshort->get_left_block(), 0);
+        top_block->connect(ishort_to_cshort->get_right_block(), 0, sink, 0);
+        top_block->run();
+    });
+    return 0;
+}
+
+
+int DataTypeAdapter::run_ishort_to_complex_block()
+{
+    std::shared_ptr<ConfigurationInterface> config = std::make_shared<InMemoryConfiguration>();
+    config->set_property("Test.implementation", "Ishort_To_Complex");
+    std::shared_ptr<IshortToComplex> ishort_to_complex = std::make_shared<IshortToComplex>(config.get(), "Test", 1, 1);
+    std::string expected_implementation = "Ishort_To_Complex";
+    EXPECT_EQ(expected_implementation, ishort_to_complex->implementation());
+
+    std::ofstream ofs(file_name_input.c_str(), std::ofstream::binary);
+    for(std::vector<short>::const_iterator i = input_data_shorts.begin(); i != input_data_shorts.end(); ++i)
+        {
+            short aux = *i;
+            ofs.write(reinterpret_cast<const char*>(&aux), sizeof(short));
+        }
+    ofs.close();
+
+    auto top_block = gr::make_top_block("Ishort_To_Complex test");
+    auto file_source = gr::blocks::file_source::make(sizeof(short), file_name_input.c_str());
+    auto sink = gr::blocks::file_sink::make(sizeof(gr_complex), file_name_output.c_str(), false);
+
+    EXPECT_NO_THROW( {
+        top_block->connect(file_source, 0, ishort_to_complex->get_left_block(), 0);
+        top_block->connect(ishort_to_complex->get_right_block(), 0, sink, 0);
+        top_block->run();
+    });
+    return 0;
+}
+
+
+int DataTypeAdapter::run_ibyte_to_cshort_block()
+{
+    std::shared_ptr<ConfigurationInterface> config = std::make_shared<InMemoryConfiguration>();
+    config->set_property("Test.implementation", "Ibyte_To_Cshort");
+    std::shared_ptr<IbyteToCshort> ibyte_to_cshort = std::make_shared<IbyteToCshort>(config.get(), "Test", 1, 1);
+    std::string expected_implementation = "Ibyte_To_Cshort";
+    EXPECT_EQ(expected_implementation, ibyte_to_cshort->implementation());
+
+    std::ofstream ofs(file_name_input.c_str());
+    for(std::vector<int8_t>::const_iterator i = input_data_bytes.begin(); i != input_data_bytes.end(); ++i)
+        {
+            ofs << *i;
+        }
+    ofs.close();
+
+    auto top_block = gr::make_top_block("Ibyte_To_Cshort test");
+    auto file_source = gr::blocks::file_source::make(sizeof(int8_t), file_name_input.c_str());
+    auto sink = gr::blocks::file_sink::make(sizeof(lv_16sc_t), file_name_output.c_str(), false);
+
+    EXPECT_NO_THROW( {
+        top_block->connect(file_source, 0, ibyte_to_cshort->get_left_block(), 0);
+        top_block->connect(ibyte_to_cshort->get_right_block(), 0, sink, 0);
+        top_block->run();
+    });
+    return 0;
+}
+
+
+int DataTypeAdapter::run_ibyte_to_complex_block()
+{
+    std::shared_ptr<ConfigurationInterface> config = std::make_shared<InMemoryConfiguration>();
+    config->set_property("Test.implementation", "Ibyte_To_Complex");
+    std::shared_ptr<IbyteToComplex> ibyte_to_complex = std::make_shared<IbyteToComplex>(config.get(), "Test", 1, 1);
+    std::string expected_implementation = "Ibyte_To_Complex";
+    EXPECT_EQ(expected_implementation, ibyte_to_complex->implementation());
+
+    std::ofstream ofs(file_name_input.c_str() );
+    for(std::vector<int8_t>::const_iterator i = input_data_bytes.begin(); i != input_data_bytes.end(); ++i)
+        {
+            ofs << *i;
+        }
+    ofs.close();
+
+    auto top_block = gr::make_top_block("Ibyte_To_Complex test");
+    auto file_source = gr::blocks::file_source::make(sizeof(int8_t), file_name_input.c_str());
+    auto sink = gr::blocks::file_sink::make(sizeof(gr_complex), file_name_output.c_str(), false);
+
+    EXPECT_NO_THROW( {
+        top_block->connect(file_source, 0, ibyte_to_complex->get_left_block(), 0);
+        top_block->connect(ibyte_to_complex->get_right_block(), 0, sink, 0);
+        top_block->run();
+    });
+    return 0;
+}
+
+
+int DataTypeAdapter::run_ibyte_to_cbyte_block()
+{
+    std::shared_ptr<ConfigurationInterface> config = std::make_shared<InMemoryConfiguration>();
+    config->set_property("Test.implementation", "Ibyte_To_Cbyte");
+    std::shared_ptr<IbyteToCbyte> ibyte_to_cbyte = std::make_shared<IbyteToCbyte>(config.get(), "Test", 1, 1);
+    std::string expected_implementation = "Ibyte_To_Cbyte";
+    EXPECT_EQ(expected_implementation, ibyte_to_cbyte->implementation());
+
+    std::ofstream ofs(file_name_input.c_str());
+    for(std::vector<int8_t>::const_iterator i = input_data_bytes.begin(); i != input_data_bytes.end(); ++i)
+        {
+            ofs << *i;
+        }
+    ofs.close();
+
+    auto top_block = gr::make_top_block("Ibyte_To_Cbyte test");
+    auto file_source = gr::blocks::file_source::make(sizeof(int8_t), file_name_input.c_str());
+    auto sink = gr::blocks::file_sink::make(sizeof(short), file_name_output.c_str(), false);
+
+    EXPECT_NO_THROW( {
+        top_block->connect(file_source, 0, ibyte_to_cbyte->get_left_block(), 0);
+        top_block->connect(ibyte_to_cbyte->get_right_block(), 0, sink, 0);
+        top_block->run();
+    });
+    return 0;
+}
+
+
+int DataTypeAdapter::run_byte_to_short_block()
+{
+    std::shared_ptr<ConfigurationInterface> config = std::make_shared<InMemoryConfiguration>();
+    config->set_property("Test.implementation", "Byte_To_Short");
+    std::shared_ptr<ByteToShort> byte_to_short = std::make_shared<ByteToShort>(config.get(), "Test", 1, 1);
+    std::string expected_implementation = "Byte_To_Short";
+    EXPECT_EQ(expected_implementation, byte_to_short->implementation());
+
+    std::ofstream ofs(file_name_input.c_str());
+    for(std::vector<int8_t>::const_iterator i = input_data_bytes.begin(); i != input_data_bytes.end(); ++i)
+        {
+            ofs << *i;
+        }
+    ofs.close();
+
+    auto top_block = gr::make_top_block("Byte_To_Short test");
+    auto file_source = gr::blocks::file_source::make(sizeof(int8_t), file_name_input.c_str());
+    auto sink = gr::blocks::file_sink::make(sizeof(int16_t), file_name_output.c_str(), false);
+
+    EXPECT_NO_THROW( {
+        top_block->connect(file_source, 0, byte_to_short->get_left_block(), 0);
+        top_block->connect(byte_to_short->get_right_block(), 0, sink, 0);
+        top_block->run();
+    });
+    return 0;
+}
+
+
+TEST_F(DataTypeAdapter, ByteToShortValidationOfResults)
+{
+    run_byte_to_short_block();
+    std::ifstream ifs(file_name_output.data(), std::ifstream::binary | std::ifstream::in );
+
+    int16_t iSample;
+    int i = 0;
+    try
+    {
+            while(ifs.read(reinterpret_cast<char *>(&iSample), sizeof(int16_t)))
+                {
+                    EXPECT_EQ(input_data_bytes.at(i), static_cast<int8_t>(iSample / 256)); // Scale down!
+                    i++;
+                }
+    }
+    catch(std::system_error& e)
+    {
+            std::cerr << e.code().message() << std::endl;
+    }
+    ifs.close();
+    remove(file_name_input.c_str());
+    remove(file_name_output.c_str());
+}
+
+
+TEST_F(DataTypeAdapter, IbyteToCbyteValidationOfResults)
+{
+    run_ibyte_to_cbyte_block();
+    std::ifstream ifs(file_name_output.data(), std::ifstream::binary | std::ifstream::in );
+    lv_8sc_t iSample;
+    int i = 0;
+    try
+    {
+            while(ifs.read(reinterpret_cast<char *>(&iSample), sizeof(lv_8sc_t)))
+                {
+                    EXPECT_EQ(input_data_bytes.at(i), iSample.real());
+                    i++;
+                    EXPECT_EQ(input_data_bytes.at(i), iSample.imag());
+                    i++;
+                }
+    }
+    catch(std::system_error& e)
+    {
+            std::cerr << e.code().message() << std::endl;
+    }
+    ifs.close();
+    remove(file_name_input.c_str());
+    remove(file_name_output.c_str());
+}
+
+
+TEST_F(DataTypeAdapter, IbyteToComplexValidationOfResults)
+{
+    run_ibyte_to_cbyte_block();
+    std::ifstream ifs(file_name_output.data(), std::ifstream::binary | std::ifstream::in );
+    gr_complex iSample;
+    int i = 0;
+    try
+    {
+            while(ifs.read(reinterpret_cast<char *>(&iSample), sizeof(gr_complex)))
+                {
+                    EXPECT_EQ(input_data_bytes.at(i), static_cast<int8_t>(iSample.real()));
+                    i++;
+                    EXPECT_EQ(input_data_bytes.at(i),  static_cast<int8_t>(iSample.imag()));
+                    i++;
+                }
+    }
+    catch(std::system_error& e)
+    {
+            std::cerr << e.code().message() << std::endl;
+    }
+    ifs.close();
+    remove(file_name_input.c_str());
+    remove(file_name_output.c_str());
+}
+
+
+TEST_F(DataTypeAdapter, IbyteToCshortValidationOfResults)
+{
+    run_ibyte_to_cshort_block();
+    std::ifstream ifs(file_name_output.data(), std::ifstream::binary | std::ifstream::in );
+    lv_16sc_t iSample;
+    int i = 0;
+    try
+    {
+            while(ifs.read(reinterpret_cast<char *>(&iSample), sizeof(lv_16sc_t)))
+                {
+                    EXPECT_EQ(input_data_bytes.at(i), static_cast<int8_t>(iSample.real()));
+                    i++;
+                    EXPECT_EQ(input_data_bytes.at(i),  static_cast<int8_t>(iSample.imag()));
+                    i++;
+                }
+    }
+    catch(std::system_error& e)
+    {
+            std::cerr << e.code().message() << std::endl;
+    }
+    ifs.close();
+    remove(file_name_input.c_str());
+    remove(file_name_output.c_str());
+}
+
+
+TEST_F(DataTypeAdapter, IshortToComplexValidationOfResults)
+{
+    run_ishort_to_complex_block();
+    std::ifstream ifs(file_name_output.data(), std::ifstream::binary | std::ifstream::in );
+    gr_complex iSample;
+    int i = 0;
+    try
+    {
+            while(ifs.read(reinterpret_cast<char *>(&iSample), sizeof(gr_complex)))
+                {
+                    EXPECT_EQ(input_data_shorts.at(i), static_cast<short>(iSample.real()));
+                    i++;
+                    EXPECT_EQ(input_data_shorts.at(i),  static_cast<short>(iSample.imag()));
+                    i++;
+                }
+    }
+    catch(std::system_error& e)
+    {
+            std::cerr << e.code().message() << std::endl;
+    }
+    ifs.close();
+    remove(file_name_input.c_str());
+    remove(file_name_output.c_str());
+}
+
+
+TEST_F(DataTypeAdapter, IshortToCshortValidationOfResults)
+{
+    run_ishort_to_cshort_block();
+    std::ifstream ifs(file_name_output.data(), std::ifstream::binary | std::ifstream::in );
+    lv_16sc_t iSample;
+    int i = 0;
+    try
+    {
+            while(ifs.read(reinterpret_cast<char *>(&iSample), sizeof(lv_16sc_t)))
+                {
+                    EXPECT_EQ(input_data_shorts.at(i), static_cast<short>(iSample.real()));
+                    i++;
+                    EXPECT_EQ(input_data_shorts.at(i),  static_cast<short>(iSample.imag()));
+                    i++;
+                }
+    }
+    catch(std::system_error& e)
+    {
+            std::cerr << e.code().message() << std::endl;
+    }
+    ifs.close();
+    remove(file_name_input.c_str());
+    remove(file_name_output.c_str());
+}