94 lines
2.8 KiB
JavaScript
94 lines
2.8 KiB
JavaScript
import _ol_geom_flat_length_ from '../../../../../src/ol/geom/flat/length.js';
|
|
|
|
|
|
describe('ol.geom.flat.length', function() {
|
|
|
|
describe('ol.geom.flat.length.lineString', function() {
|
|
|
|
describe('stride = 2', function() {
|
|
var flatCoords = [0, 0, 1, 0, 1, 1, 0, 1];
|
|
var stride = 2;
|
|
|
|
it('calculates the total length of a lineString', function() {
|
|
var offset = 0;
|
|
var end = 8;
|
|
var expected = 3;
|
|
var got = _ol_geom_flat_length_.lineString(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
it('calculates a partwise length of a lineString (offset)', function() {
|
|
var offset = 2;
|
|
var end = 8;
|
|
var expected = 2;
|
|
var got = _ol_geom_flat_length_.lineString(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
it('calculates a partwise length of a lineString (end)', function() {
|
|
var offset = 0;
|
|
var end = 4;
|
|
var expected = 1;
|
|
var got = _ol_geom_flat_length_.lineString(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
});
|
|
|
|
describe('stride = 3', function() {
|
|
var flatCoords = [0, 0, 42, 1, 0, 42, 1, 1, 42, 0, 1, 42];
|
|
var stride = 3;
|
|
|
|
it('calculates the total length of a lineString', function() {
|
|
var offset = 0;
|
|
var end = 12;
|
|
var expected = 3;
|
|
var got = _ol_geom_flat_length_.lineString(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
it('calculates a partwise length of a lineString (offset)', function() {
|
|
var offset = 3;
|
|
var end = 12;
|
|
var expected = 2;
|
|
var got = _ol_geom_flat_length_.lineString(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
it('calculates a partwise length of a lineString (end)', function() {
|
|
var offset = 0;
|
|
var end = 6;
|
|
var expected = 1;
|
|
var got = _ol_geom_flat_length_.lineString(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
});
|
|
});
|
|
|
|
describe('ol.geom.flat.length.linearRing', function() {
|
|
|
|
it('calculates the total length of a simple linearRing', function() {
|
|
var flatCoords = [0, 0, 1, 0, 1, 1, 0, 1];
|
|
var stride = 2;
|
|
var offset = 0;
|
|
var end = 8;
|
|
var expected = 4;
|
|
var got = _ol_geom_flat_length_.linearRing(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
it('calculates the total length of a figure-8 linearRing', function() {
|
|
var flatCoords = [0, 0, 1, 0, 1, 1, 0, 1, 0, -1, -1, -1, -1, 0];
|
|
var stride = 2;
|
|
var offset = 0;
|
|
var end = 14;
|
|
var expected = 8;
|
|
var got = _ol_geom_flat_length_.linearRing(flatCoords, offset, end, stride);
|
|
expect(got).to.be(expected);
|
|
});
|
|
|
|
});
|
|
|
|
});
|