es-set/test/builtin.js

An ES-spec-compliant Set shim/polyfill/replacement that works as far down as ES3

'use strict';

var defineProperties = require('define-properties');
var test = require('tape');

var isEnumerable = Object.prototype.propertyIsEnumerable;

var runTests = require('./tests');

test('builtin', function (t) {
	if (typeof Set === 'undefined') {
		t.fail('Set does not exist');
		return;
	}
	t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
		et.equal(false, isEnumerable.call(global, 'Set'), 'Set is not enumerable');
		et.end();
	});

	runTests(Set, t);

	t.end();
});