/home/palakars/workspace-inprogress/code-in-progress/aitools3/aitools3-aq-invertedindex-cpp/test/reader/TestInvertedFileReader.cpp

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#include <boost/test/unit_test.hpp>
#include "InvertedFileReader.hpp"
#include "InvertedFileWriter.hpp"
#include "ValueTypes.hpp"
#include "Converter.hpp"
#include "Record.hpp"
#include <cstdlib>

using namespace aitools::invertedindex;

typedef InvertedFileReader<ShortIntFloat> Reader;
typedef InvertedFileWriter<ShortIntFloat> Writer;

BOOST_AUTO_TEST_SUITE(inverted_file_reader);

BOOST_AUTO_TEST_CASE(explicit_ctor)
{
        bfs::path path("inverted-file.txt");
        Writer writer(path);
        writer.close();
        Reader reader(path); // does not throw exception
        bfs::remove(path);
//      BOOST_CHECK_THROW(Reader("xyz" / path), std::ifstream::failure); // problem
}

BOOST_AUTO_TEST_CASE(read)
{
        ShortIntFloat value(1, 2, 3);
        Record<ShortIntFloat> record;
        record.value() = value;
        bfs::path path("inverted-file.txt");
        Writer writer(path);
        for (unsigned i(0); i != 100; ++i)
        {
                record.key() = Converter::ui32_to_str(i);
                writer.write(record);
        }
        writer.close();
        Reader reader(path);
        for (unsigned i(0); i != 100; ++i)
        {
                BOOST_CHECK(reader.next(record));
                BOOST_CHECK_EQUAL(record.key(), Converter::ui32_to_str(i));
                BOOST_CHECK_EQUAL(record.value(), value);
        }
        reader.close();
        bfs::remove(path);
}

BOOST_AUTO_TEST_SUITE_END();

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