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