odin-js-fundamentals-part-5/node_modules/object.groupby/test/shimmed.js

36 lines
880 B
JavaScript

'use strict';
require('../auto');
var test = require('tape');
var defineProperties = require('define-properties');
var callBind = require('call-bind');
var functionsHaveNames = require('functions-have-names')();
var isEnumerable = Object.prototype.propertyIsEnumerable;
var runTests = require('./tests');
var name = 'groupBy';
var fullName = 'Object.' + name;
test('shimmed', function (t) {
var fn = Object[name];
t.equal(fn.length, 2, fullName + ' has a length of 2');
t.test('Function name', { skip: !functionsHaveNames }, function (st) {
st.equal(fn.name, name, fullName + ' has name "' + name + '"');
st.end();
});
t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
et.equal(false, isEnumerable.call(Object, name), fullName + ' is not enumerable');
et.end();
});
runTests(callBind(fn, Object), t);
t.end();
});