1'use strict'; 2 3var getDescriptors = require('../'); 4getDescriptors.shim(); 5 6var test = require('tape'); 7var defineProperties = require('define-properties'); 8var runTests = require('./tests'); 9var isEnumerable = Object.prototype.propertyIsEnumerable; 10var functionsHaveNames = function f() {}.name === 'f'; 11 12test('shimmed', function (t) { 13 t.equal(Object.getOwnPropertyDescriptors.length, 1, 'Object.getOwnPropertyDescriptors has a length of 1'); 14 t.test('Function name', { skip: !functionsHaveNames }, function (st) { 15 st.equal(Object.getOwnPropertyDescriptors.name, 'getOwnPropertyDescriptors', 'Object.getOwnPropertyDescriptors has name "getOwnPropertyDescriptors"'); 16 st.end(); 17 }); 18 19 t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) { 20 et.equal(false, isEnumerable.call(Object, 'getOwnPropertyDescriptors'), 'Object.getOwnPropertyDescriptors is not enumerable'); 21 et.end(); 22 }); 23 24 var supportsStrictMode = (function () { return typeof this === 'undefined'; }()); 25 26 t.test('bad object/this value', { skip: !supportsStrictMode }, function (st) { 27 st.throws(function () { return getDescriptors(undefined, 'a'); }, TypeError, 'undefined is not an object'); 28 st.throws(function () { return getDescriptors(null, 'a'); }, TypeError, 'null is not an object'); 29 st.end(); 30 }); 31 32 runTests(Object.getOwnPropertyDescriptors, t); 33 34 t.end(); 35}); 36