File: test_multihandle.cc

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/*
 * (C) Copyright 1996- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation
 * nor does it submit to any jurisdiction.
 */

/// @file   test_MetFile.cc
/// @date   Jan 2016
/// @author Florian Rathgeber

#include "eckit/io/FileHandle.h"
#include "eckit/io/MultiHandle.h"
#include "eckit/testing/Test.h"

#include "eccodes.h"

namespace metkit::grib::test {

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

CASE("openf filehandle") {

    eckit::FileHandle dh("latlon.grib");

    FILE* f = dh.openf("r");

    codes_handle* h;

    int err      = 0;
    size_t count = 0;
    while ((h = codes_handle_new_from_file(nullptr, f, PRODUCT_ANY, &err))) {
        count++;
        codes_handle_delete(h);
    }

    fclose(f);
    EXPECT(count == 1);
    EXPECT(err == GRIB_SUCCESS);
}

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

CASE("openf multihandle") {

    eckit::MultiHandle dh;
    dh += new eckit::FileHandle("latlon.grib");
    dh += new eckit::FileHandle("latlon.grib");

    FILE* f = dh.openf("r");

    codes_handle* h;

    int err      = 0;
    size_t count = 0;
    while ((h = codes_handle_new_from_file(nullptr, f, PRODUCT_ANY, &err))) {
        count++;
        codes_handle_delete(h);
    }

    fclose(f);
    EXPECT(count == 2);
    EXPECT(err == GRIB_SUCCESS);
}

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

}  // namespace metkit::grib::test


int main(int argc, char** argv) {
    return eckit::testing::run_tests(argc, argv);
}