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'use strict';
const assert = require('assert');const getFunctionName = require('../../lib/helpers/getFunctionName');
describe('getFunctionName', () => {  it('return fn.name', () => {    assert.equal(getFunctionName({ name: 'fnName' }), 'fnName');  });
  it('return function name', () => {    assert.equal(getFunctionName(function fnName() {}), 'fnName');  });
  it('return function functionName', () => {    assert.equal(getFunctionName(function functionName() {}), 'functionName');  });
  it('return undefined for arrow function', () => {    // I can't say it's expected behavior, but is how it's behave.    assert.equal(getFunctionName(() => []), undefined);  });});