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37 lines
1.2 KiB
37 lines
1.2 KiB
2 years ago
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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 defineProperties = require('define-properties');
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var callBind = require('call-bind');
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var isEnumerable = Object.prototype.propertyIsEnumerable;
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var functionsHaveNames = require('functions-have-names')();
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var hasStrictMode = require('has-strict-mode')();
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var runTests = require('./tests');
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test('shimmed', function (t) {
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t.equal(Object.hasOwn.length, 2, 'Relect.hasOwn has a length of 2');
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t.test('Function name', { skip: !functionsHaveNames }, function (st) {
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st.equal(Object.hasOwn.name, 'hasOwn', 'Object.hasOwn has name "hasOwn"');
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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, 'hasOwn'), 'Object.hasOwn is not enumerable');
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et.end();
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});
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t.test('bad array/this value', { skip: !hasStrictMode }, function (st) {
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st['throws'](function () { return Object.hasOwn.call(undefined); }, TypeError, 'undefined is not an object');
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st['throws'](function () { return Object.hasOwn.call(null); }, TypeError, 'null is not an object');
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st.end();
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});
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runTests(callBind(Object.hasOwn, Object), t);
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t.end();
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});
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