Test_NcVarMetaCF.cpp

Test of class NcVarMetaCF.

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

#include <iostream>
using std::cout;
using std::endl;

#include "netcdf4"
using netcdf::NcVarMetaCF;
using netcdf::MetadataCFVariable;

char const * const ncFileName = "Test_NcVarMetaCF.nc";

//-----------------------------------------------------------------------------
template< typename TNumeric >
void Fill (MetadataCFVariable<TNumeric> & meta)
{
    meta.longName = "count of data";
    meta.standardName = "data count";
    meta.units = "frequency";
    meta.validMin = 0;
    meta.validMax = 100;
    meta.fillValue = 0;
    meta.encoding = "ASCII";
}

//-----------------------------------------------------------------------------
int main ()
{
    cout << "Test of class NcVarMetaCF." << endl;
    try
    {
        // create the file and add a dimension and a variable
        cout << "Creating netCDF file: " << ncFileName << endl;
        netcdf::NcFile ncFile ( ncFileName, netcdf::NcFile::New, netcdf::NcFile::NetCDF4 );
        netcdf::NcDim ncDim = ncFile.AddDim( "record" );
        netcdf::NcVar ncVar = ncFile.AddVar ( "data", netcdf::NcInt(), ncDim );

        MetadataCFVariable<short> metadata1;
        Fill( metadata1 );
        cout << metadata1 << endl;

        // write metadata for variable
        cout << "Test writing metadata for variable" << endl;
        NcVarMetaCF metaVar (ncVar);
        metaVar << metadata1;

        // read metadata for variable
        cout << "Test reading metadata for variable:" << endl;
        MetadataCFVariable<short> metadata2;
        metaVar >> metadata2;
        cout << metadata2 << endl;

        // test equality
        cout << "metadata1 == metadata2 ? "
             << ( metadata1 == metadata2 ? "true" : "false" )
             << endl;
    }
    catch (std::exception const & e)
    {
        cout << "Exception: " << e.what() << endl;
    }
    catch (...)
    {
        cout << "Error: unknown error." << endl;
    }
    cout << "\n   all done!" << endl;
    return 0;
}
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