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#define BOOST_TEST_MODULE terrain
#include <boost/test/unit_test.hpp>
#include <stream_support.h>
#include <game/terrain2.h>
class TestTerrainMesh : public TerrainMesh {
public:
TestTerrainMesh() : TerrainMesh {FIXTURESDIR "height/SD19.asc"} { }
};
constexpr size_t ncols = 200, nrows = 200, xllcorner = 310000, yllcorner = 490000, cellsize = 50;
BOOST_FIXTURE_TEST_SUITE(ttm, TestTerrainMesh);
BOOST_AUTO_TEST_CASE(loadSuccess)
{
BOOST_CHECK_EQUAL(ncols * nrows, n_vertices());
BOOST_CHECK_EQUAL(2 * (ncols - 1) * (nrows - 1), n_faces());
}
BOOST_AUTO_TEST_CASE(normalsAllPointUp)
{
BOOST_CHECK(std::all_of(faces_begin(), faces_end(), [this](auto && vh) {
return normal(vh).z > 0;
}));
BOOST_CHECK(std::all_of(vertices_begin(), vertices_end(), [this](auto && vh) {
return normal(vh).z > 0;
}));
}
BOOST_AUTO_TEST_CASE(trianglesContainsPoints)
{
const auto face = face_handle(0);
auto vertices = cfv_iter(face);
BOOST_TEST_CONTEXT(point(*vertices++) << point(*vertices++) << point(*vertices++)) {
BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner, yllcorner}, face));
BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner + cellsize, yllcorner + cellsize}, face));
BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner, yllcorner + cellsize}, face));
BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner + 1, yllcorner + 1}, face));
BOOST_CHECK(triangleContainsPoint(glm::vec2 {xllcorner + 1, yllcorner + 2}, face));
BOOST_CHECK(!triangleContainsPoint(glm::vec2 {xllcorner + 3, yllcorner + 2}, face));
BOOST_CHECK(!triangleContainsPoint(glm::vec2 {xllcorner + cellsize, yllcorner}, face));
}
}
BOOST_AUTO_TEST_SUITE_END();
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