import { describe, it, expect } from 'vitest';
import { BARRAS_SIMBOLO, LINEAS_SIMBOLO } from '@/lib/simbolo';

describe('geometría del ≡', () => {
  it('define exactly the three bars of the mark', () => {
    expect(BARRAS_SIMBOLO).toHaveLength(3);
  });

  it('keeps the three bars aligned and equal in width', () => {
    const anchos = new Set(BARRAS_SIMBOLO.map((b) => b.width));
    const izquierdas = new Set(BARRAS_SIMBOLO.map((b) => b.x));
    expect(anchos.size).toBe(1);
    expect(izquierdas.size).toBe(1);
  });

  it('derives stroke lines through each bar centre', () => {
    expect(LINEAS_SIMBOLO.map((l) => l.y1)).toEqual([17, 32, 47]);
  });
});