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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.
*/
#include <memory>
#include <string>
#include <vector>
#include "eckit/geo/Grid.h"
#include "eckit/geo/area/BoundingBox.h"
#include "eckit/spec/Custom.h"
#include "eckit/testing/Test.h"
namespace eckit::geo::test {
CASE("Grid from grid_spec") {
SECTION("GridSpec canonical") {
struct {
const char* grid;
const char* canonical;
size_t size;
} tests[]{
{"{grid: [10, 10]}", R"({"grid":[10,10]})", 684}, //
{"{grid: [20, 10]}", R"({"grid":[20,10]})", 342}, //
{"{pl: [20, 24, 24, 20]}", R"({"grid":"O2"})", 88}, //
{"{grid: o8}", R"({"grid":"O8"})", 544}, //
{"{grid: h2_ring}", R"({"grid":"H2"})", 48}, //
{"{grid: h2n}", R"({"grid":"H2","order":"nested"})", 48}, //
};
for (const auto& test : tests) {
std::unique_ptr<const Grid> grid(GridFactory::make_from_string(test.grid));
EXPECT(grid->size() == test.size);
EXPECT(grid->spec_str() == test.canonical);
static const auto bbox_spec_str = area::BoundingBox::bounding_box_default().spec_str();
EXPECT(grid->boundingBox().spec_str() == bbox_spec_str);
}
}
}
CASE("Grid from name") {
SECTION("GridFactory::build_from_name") {
struct {
const char* name;
size_t size;
} tests[]{{"O2", 88}, {"f2", 32}, {"h2", 48}};
for (const auto& test : tests) {
std::unique_ptr<const Grid> a(GridFactory::build(spec::Custom({{"grid", test.name}})));
EXPECT_EQUAL(test.size, a->size());
std::unique_ptr<const Grid> b(GridFactory::make_from_string(test.name));
EXPECT_EQUAL(test.size, b->size());
}
}
}
CASE("Grid from increments") {
SECTION("global") {
std::unique_ptr<const Grid> global(GridFactory::build(spec::Custom({
{"type", "regular_ll"},
{"grid", std::vector<double>{1, 1}},
})));
EXPECT_EQUAL(global->size(), 360 * 181);
}
SECTION("non-global") {
std::unique_ptr<const Grid> grid(GridFactory::build(spec::Custom({
{"type", "regular_ll"},
{"grid", std::vector<double>{1, 1}},
{"north", 10},
{"west", 1},
{"south", 1},
{"east", 10},
})));
EXPECT_EQUAL(grid->size(), 100);
}
}
} // namespace eckit::geo::test
int main(int argc, char** argv) {
return eckit::testing::run_tests(argc, argv);
}
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