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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.
*/
/// @date Apr 2024
/// @author Christopher Bradley
#include <string>
#include <vector>
#include "eckit/filesystem/PathName.h"
#include "eckit/io/FileHandle.h"
#include "eckit/testing/Test.h"
#include "eccodes.h"
#include "metkit/codes/GribAccessor.h"
#include "metkit/codes/GribHandle.h"
namespace metkit::grib::test {
//-----------------------------------------------------------------------------
// Test that a gribhandle will point to the correct message in a file, given an offset.
CASE("File with two messages") {
// The test file has two messages of different packing types, with some junk data in between.
eckit::PathName path("synthetic_2msgs.grib");
off_t* offsets;
grib_context* c = nullptr;
int n = 0;
int err = codes_extract_offsets_malloc(c, path.asString().c_str(), PRODUCT_GRIB, &offsets, &n, 1);
EXPECT(!err);
EXPECT(n == 2);
GribAccessor<std::string> packingType("packingType");
std::vector<std::string> expected = {"grid_simple", "grid_ccsds"};
eckit::FileHandle dh(path);
dh.openForRead();
for (int i = 0; i < n; i++) {
GribHandle h(dh, offsets[i]);
EXPECT(packingType(h) == expected[i]);
}
free(offsets);
dh.close();
}
//-----------------------------------------------------------------------------
} // namespace metkit::grib::test
int main(int argc, char** argv) {
return eckit::testing::run_tests(argc, argv);
}
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