45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
require('../auto');
|
||
|
|
|
||
|
|
var test = require('tape');
|
||
|
|
var keys = require('object-keys');
|
||
|
|
var defineProperties = require('define-properties');
|
||
|
|
var isEnumerable = Object.prototype.propertyIsEnumerable;
|
||
|
|
var functionsHaveNames = function f() {}.name === 'f';
|
||
|
|
|
||
|
|
var runTests = require('./tests');
|
||
|
|
|
||
|
|
test('shimmed', function (t) {
|
||
|
|
t.equal(Object.fromEntries.length, 1, 'Object.fromEntries has a length of 1');
|
||
|
|
t.test('Function name', { skip: !functionsHaveNames }, function (st) {
|
||
|
|
st.equal(Object.fromEntries.name, 'fromEntries', 'Object.fromEntries has name "fromEntries"');
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
|
||
|
|
et.equal(false, isEnumerable.call(Object, 'fromEntries'), 'Object.fromEntries is not enumerable');
|
||
|
|
et.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
|
||
|
|
|
||
|
|
t.test('bad object value', { skip: !supportsStrictMode }, function (st) {
|
||
|
|
st['throws'](function () { return Object.fromEntries(undefined); }, TypeError, 'undefined is not an object');
|
||
|
|
st['throws'](function () { return Object.fromEntries(null); }, TypeError, 'null is not an object');
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
t.test('does not mutate global method', function (st) {
|
||
|
|
st.deepEqual(keys(Object.fromEntries), [], 'no enumerable keys');
|
||
|
|
st.equal('shim' in Object.fromEntries, false, '"shim" is not present');
|
||
|
|
st.equal('getPolyfill' in Object.fromEntries, false, '"getPolyfill" is not present');
|
||
|
|
st.equal('implementation' in Object.fromEntries, false, '"implementation" is not present');
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
runTests(Object.fromEntries, t);
|
||
|
|
|
||
|
|
t.end();
|
||
|
|
});
|