13 lines
510 B
TypeScript
13 lines
510 B
TypeScript
import { describe, it, expect } from 'vitest';
|
|
import { haversineMeters } from '$domain';
|
|
|
|
describe('haversineMeters', () => {
|
|
it('is zero for identical points', () => {
|
|
expect(haversineMeters({ lat: 55, lon: 37 }, { lat: 55, lon: 37 })).toBe(0);
|
|
});
|
|
it('matches a known great-circle distance (London→Paris ≈ 343 km)', () => {
|
|
const d = haversineMeters({ lat: 51.5074, lon: -0.1278 }, { lat: 48.8566, lon: 2.3522 });
|
|
expect(d).toBeGreaterThan(340_000);
|
|
expect(d).toBeLessThan(346_000);
|
|
});
|
|
});
|