errors.cc

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/*
 * (C) Copyright 1996-2012 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.
 */
 
#include <memory>
 
#include "eckit/utils/StringTools.h"
#include "eckit/testing/Test.h"
 
#include "odc/api/odc.h"
 
using namespace eckit::testing;
 
// Specialise custom deletion for odc_reader_t
 
namespace std {
template <> struct default_delete<odc_reader_t> {
    void operator() (const odc_reader_t* r) { EXPECT(ODC_SUCCESS == odc_close(r)); }
};
 
template <> struct default_delete<odc_frame_t> {
    void operator() (const odc_frame_t* t) { EXPECT(ODC_SUCCESS == odc_free_frame(t)); }
};
 
}
 
// ------------------------------------------------------------------------------------------------------
 
CASE("By default we throw on error") {
//
//     // Don't explicitly set handler. Test default in first case.
//
//     EXPECT_THROWS_AS(odc_open_path("../does-not-exist.odb"), eckit::CantOpenFile);
// }
//
// CASE("Correctly open an odb file") {
//
//     SetErrorHandling e(ODC_THROW);
//
//     std::unique_ptr<odc_reader_t> o(odc_open_path("../2000010106.odb"));
//
//     odc_frame_t* t = odc_alloc_next_frame(o.get());
//     EXPECT(t != 0);
//     EXPECT(odc_success());
//     odc_free_frame(t);
// }
//
// CASE("We can report errors through the API") {
//
//     SetErrorHandling e(ODC_ERRORS_REPORT);
//
//     std::unique_ptr<odc_reader_t> o(odc_open_path("../does-not-exist.odb"));
//
//     std::string expected = "Cannot open ../does-not-exist.odb"; // test start since strerror_r() message isn't portable
//
//     EXPECT(!o);
//     EXPECT(!odc_success());
//     EXPECT(odc_error_string() != 0);
//
//     EXPECT(eckit::StringTools::startsWith(odc_error_string(), expected));
//
//     o.reset(odc_open_path("../does-not-exist.odb"));
//
//     EXPECT(!o);
//     EXPECT(!odc_success());
//     EXPECT(odc_error_string() != 0);
//     EXPECT(eckit::StringTools::startsWith(odc_error_string(), expected));
// }
//
// CASE("Don't continue unless error has been reset") {
//
//     SetErrorHandling e(ODC_ERRORS_CHECKED);
//
//     std::unique_ptr<odc_reader_t> o(odc_open_path("../does-not-exist.odb"));
//
//     std::string expected = "Cannot open ../does-not-exist.odb"; // test start since strerror_r() message isn't portable
//
//     EXPECT(!o);
//     EXPECT(!odc_success());
//     EXPECT(odc_error_string() != 0);
//     EXPECT(eckit::StringTools::startsWith(odc_error_string(), expected));
//
//     // Reset error condition (in principle handle it) then try again
//     odc_reset_error();
//
//     o.reset(odc_open_path("../does-not-exist.odb"));
//
//     EXPECT(!o);
//     EXPECT(!odc_success());
//     EXPECT(odc_error_string() != 0);
//     EXPECT(eckit::StringTools::startsWith(odc_error_string(), expected));
//
//     // We haven't handled the previous error, so the API will barf
//
//     EXPECT_THROWS_AS(odc_open_path("../does-not-exist.odb"), eckit::SeriousBug);
//
//     // Reset error before cleanup
//     odc_reset_error();
}
 
 
// ------------------------------------------------------------------------------------------------------
 
int main(int argc, char* argv[]) {
    return run_tests(argc, argv);
}