Parameterized doctest-based unit tests for UnstructuredMesh index conversion and adjacency Global2Local / Local2Global methods. More...

#include "doctest.h"
#include "Geom/Mesh.hpp"
#include <string>
#include <vector>

Include dependency graph for test_MeshIndexConversion.cpp:

Classes
struct	MeshConfig

Macros
#define	DOCTEST_CONFIG_IMPLEMENT

#define	FOR_EACH_MESH_CONFIG(body)

Functions
int	main (int argc, char **argv)

	TEST_CASE ("Mesh setup: every rank has cells and nodes")

	TEST_CASE ("Mesh setup: multi-rank produces ghosts")

	TEST_CASE ("Mesh setup: periodic state matches configuration")

	TEST_CASE ("Ball2: mixed 3D element types")

	TEST_CASE ("NodeIndex: Global2Local round-trip on father nodes")

	TEST_CASE ("NodeIndex: Global2Local round-trip on ghost nodes")

	TEST_CASE ("NodeIndex: _NoSon round-trip on father nodes")

	TEST_CASE ("NodeIndex: _NoSon returns negative for non-local global")

	TEST_CASE ("NodeIndex: Global2Local returns negative for unknown global")

	TEST_CASE ("CellIndex: Global2Local round-trip on father cells")

	TEST_CASE ("CellIndex: Global2Local round-trip on ghost cells")

	TEST_CASE ("CellIndex: _NoSon round-trip on father cells")

	TEST_CASE ("CellIndex: _NoSon returns negative for non-local global")

	TEST_CASE ("BndIndex: Global2Local round-trip on father bnds")

	TEST_CASE ("BndIndex: _NoSon round-trip on father bnds")

	TEST_CASE ("UnInitIndex pass-through for all 12 conversion methods")

	TEST_CASE ("Local2Global: negative local index decodes via -1-x encoding")

	TEST_CASE ("AdjPrimary: cell2node local indices are in valid range")

	TEST_CASE ("AdjPrimary: cell2cell local entries are valid or not-found")

	TEST_CASE ("AdjPrimary: bnd2cell owner cell is a local father cell")

	TEST_CASE ("AdjPrimary: bnd2node local indices are in valid range")

	TEST_CASE ("AdjPrimary: Local2Global then Global2Local is identity")

	TEST_CASE ("AdjPrimary: three consecutive round-trips are stable")

	TEST_CASE ("AdjPrimaryForBnd: round-trip on cell2node only")

Detailed Description

Parameterized doctest-based unit tests for UnstructuredMesh index conversion and adjacency Global2Local / Local2Global methods.

Tests run against 4 mesh configurations (same as test_MeshPipeline): [0] UniformSquare_10 – 2D, 100 quad cells, non-periodic [1] IV10_10 – 2D, 100 quad cells, periodic (isentropic vortex) [2] NACA0012_H2 – 2D, 20816 unstructured quad cells, non-periodic [3] IV10U_10 – 2D, 322 unstructured tri cells, periodic

Each mesh is partitioned with Metis, ghost layers built, then exercises:

Per-entity index conversions (Global2Local, Local2Global, _NoSon)
Adjacency state-machine round-trips (Primary, ForBnd)
Round-trip stability under repeated conversions
UnInitIndex pass-through
Negative encoding for not-found globals
Local index range validity after AdjGlobal2LocalPrimary

All meshes are pre-built in main() and destroyed together after tests. This avoids an OpenMPI resource exhaustion observed when building/destroying 20+ meshes in a single process at np=8.

Run under mpirun with 1, 2, 4, and 8 ranks.

Definition in file test_MeshIndexConversion.cpp.

Macro Definition Documentation

◆ DOCTEST_CONFIG_IMPLEMENT

#define DOCTEST_CONFIG_IMPLEMENT

Definition at line 27 of file test_MeshIndexConversion.cpp.

◆ FOR_EACH_MESH_CONFIG

#define FOR_EACH_MESH_CONFIG ( body )

Value:

    for (int _ci = 0; _ci < N_CONFIGS; _ci++)                            \
    {                                                                     \
        /* Ball2 (index 4) is only tested with np=8 */                   \
        if (_ci == 4 && g_mpi.size != 8) continue;                       \
        CAPTURE(_ci);                                                     \
        const auto &cfg = g_configs[_ci];                                \
        auto m = g_meshes[_ci];                                           \
        SUBCASE(cfg.name) { body }                                        \
    }

Definition at line 177 of file test_MeshIndexConversion.cpp.