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- 'use strict';
- require('../auto');
- var test = require('tape');
- var defineProperties = require('define-properties');
- var callBind = require('call-bind');
- var isEnumerable = Object.prototype.propertyIsEnumerable;
- var functionsHaveNames = require('functions-have-names')();
- var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
- var hasStrictMode = require('has-strict-mode')();
- var runTests = require('./tests');
- test('shimmed', function (t) {
- var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');
- t.equal(descriptor.get.length, 0, 'RegExp#flags getter has a length of 0');
- t.test('Function name', { skip: !functionsHaveNames }, function (st) {
- st.equal(descriptor.get.name, functionsHaveConfigurableNames ? 'get flags' : 'flags', 'RegExp#flags getter has name "get flags" (or "flags" if function names are not configurable)');
- st.end();
- });
- t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
- et.equal(false, isEnumerable.call(RegExp.prototype, 'flags'), 'RegExp#flags is not enumerable');
- et.end();
- });
- t.test('bad array/this value', { skip: !hasStrictMode }, function (st) {
- st['throws'](function () { return descriptor.get.call(undefined); }, TypeError, 'undefined is not an object');
- st['throws'](function () { return descriptor.get.call(null); }, TypeError, 'null is not an object');
- st.end();
- });
- t.test('has the correct descriptor', function (st) {
- st.equal(descriptor.configurable, true);
- st.equal(descriptor.enumerable, false);
- st.equal(typeof descriptor.get, 'function');
- st.equal(descriptor.set, undefined);
- st.end();
- });
- runTests(callBind(descriptor.get), t);
- t.end();
- });
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