Urara-Blog/node_modules/.pnpm-store/v3/files/6c/b4d06e7503c4b3bdd0df1d12dd9e8c63362c594aec309ef1349e54995e111748e37fc7f218bda053bafbb4a82ffd341f58e80bec3cb3db5d156c40f3cd4c26
2022-08-14 01:14:53 +08:00

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Text

'use strict';
var test = require('tape');
var hasPropertyDescriptors = require('../');
var sentinel = {};
test('hasPropertyDescriptors', function (t) {
t.equal(typeof hasPropertyDescriptors, 'function', 'is a function');
t.equal(typeof hasPropertyDescriptors.hasArrayLengthDefineBug, 'function', '`hasArrayLengthDefineBug` property is a function');
var yes = hasPropertyDescriptors();
t.test('property descriptors', { skip: !yes }, function (st) {
var o = { a: sentinel };
st.deepEqual(
Object.getOwnPropertyDescriptor(o, 'a'),
{
configurable: true,
enumerable: true,
value: sentinel,
writable: true
},
'has expected property descriptor'
);
Object.defineProperty(o, 'a', { enumerable: false, writable: false });
st.deepEqual(
Object.getOwnPropertyDescriptor(o, 'a'),
{
configurable: true,
enumerable: false,
value: sentinel,
writable: false
},
'has expected property descriptor after [[Define]]'
);
st.end();
});
var arrayBug = hasPropertyDescriptors.hasArrayLengthDefineBug();
t.test('defining array lengths', { skip: !yes || arrayBug }, function (st) {
var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays
st.equal(arr.length, 3, 'array starts with length 3');
Object.defineProperty(arr, 'length', { value: 5 });
st.equal(arr.length, 5, 'array ends with length 5');
st.end();
});
t.end();
});