not-iterable.js - mozsearch

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// |reftest|

//

// Ensure PrivateNames aren't iterable.

class O {

  #x = 123;

  gx() {

    return this.#x;

var o = new O;

assertEq(o.gx(), 123);

assertEq(Object.keys(o).length, 0);

assertEq(Object.getOwnPropertyNames(o).length, 0);

assertEq(Object.getOwnPropertySymbols(o).length, 0);

assertEq(Reflect.ownKeys(o).length, 0);

var forIn = [];

for (var pk in o) {

  forIn.push(pk);

assertEq(forIn.length, 0);

// Proxy case

var proxy = new Proxy(o, {});

assertEq(Object.keys(proxy).length, 0);

assertEq(Object.getOwnPropertyNames(proxy).length, 0);

assertEq(Object.getOwnPropertySymbols(proxy).length, 0);

assertEq(Reflect.ownKeys(proxy).length, 0);

for (var pk in proxy) {

  forIn.push(pk);

assertEq(forIn.length, 0);

if (typeof reportCompare === 'function')

  reportCompare(0, 0);