ModelHandle/test/tests/quantities_test.js

70 lines
3.3 KiB
JavaScript

var assert = require ('assert');
var testUtils = require ('../utils/testutils.js');
describe ('Quantities', function () {
it ('Cube Volume Calculation', function () {
const model = testUtils.GetModelWithOneMesh (testUtils.GetCubeMesh ());
const volume = OV.CalculateModelVolume (model);
assert (OV.IsEqual (volume, 1.0));
});
it ('Cube with Missing Face Volume Calculation', function () {
const model = testUtils.GetModelWithOneMesh (testUtils.GetCubeWithOneMissingFaceMesh ());
const volume = OV.CalculateModelVolume (model);
assert.strictEqual (volume, null);
});
it ('Cube with Wrongly Oriented Triangle Volume Calculation', function () {
var cube = new OV.Mesh ();
cube.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
cube.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
cube.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
cube.AddVertex (new OV.Coord3D (0.0, 1.0, 0.0));
cube.AddVertex (new OV.Coord3D (0.0, 0.0, 1.0));
cube.AddVertex (new OV.Coord3D (1.0, 0.0, 1.0));
cube.AddVertex (new OV.Coord3D (1.0, 1.0, 1.0));
cube.AddVertex (new OV.Coord3D (0.0, 1.0, 1.0));
cube.AddTriangle (new OV.Triangle (0, 1, 5));
cube.AddTriangle (new OV.Triangle (0, 5, 4));
cube.AddTriangle (new OV.Triangle (1, 2, 6));
cube.AddTriangle (new OV.Triangle (1, 6, 5));
cube.AddTriangle (new OV.Triangle (2, 3, 7));
cube.AddTriangle (new OV.Triangle (2, 7, 6));
cube.AddTriangle (new OV.Triangle (3, 0, 4));
cube.AddTriangle (new OV.Triangle (3, 4, 7));
cube.AddTriangle (new OV.Triangle (0, 3, 2));
cube.AddTriangle (new OV.Triangle (0, 2, 1));
cube.AddTriangle (new OV.Triangle (4, 5, 6));
cube.AddTriangle (new OV.Triangle (4, 7, 6));
const model = testUtils.GetModelWithOneMesh (cube);
const volume = OV.CalculateModelVolume (model);
assert.strictEqual (volume, null);
});
it ('Cube Surface Area Calculation', function () {
const model = testUtils.GetModelWithOneMesh (testUtils.GetCubeMesh ());
const surface = OV.CalculateModelSurfaceArea (model);
assert (OV.IsEqual (surface, 6.0));
});
it ('Cube with Missing Face Surface Area Calculation', function () {
const model = testUtils.GetModelWithOneMesh (testUtils.GetCubeWithOneMissingFaceMesh ());
const surface = OV.CalculateModelSurfaceArea (model);
assert (OV.IsEqual (surface, 5.0));
});
it ('Tetrahedron Volume Calculation', function () {
let edgeLength = OV.CoordDistance3D (new OV.Coord3D (1.0, 1.0, 1.0), new OV.Coord3D (-1.0, -1.0, 1.0));
const model = testUtils.GetModelWithOneMesh (testUtils.GetTetrahedronMesh ());
const volume = OV.CalculateModelVolume (model);
assert (OV.IsEqual (volume, Math.pow (edgeLength, 3.0) / (6.0 * Math.sqrt (2))));
});
it ('Tetrahedron Surface Area Calculation', function () {
let edgeLength = OV.CoordDistance3D (new OV.Coord3D (1.0, 1.0, 1.0), new OV.Coord3D (-1.0, -1.0, 1.0));
const model = testUtils.GetModelWithOneMesh (testUtils.GetTetrahedronMesh ());
const surface = OV.CalculateModelSurfaceArea (model);
assert (OV.IsEqual (surface, Math.sqrt (3) * Math.pow (edgeLength, 2.0)));
});
});