You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.2 KiB
JavaScript
56 lines
1.2 KiB
JavaScript
7 months ago
|
'use strict';
|
||
|
|
|
||
|
|
var $defineProperty = require('../');
|
||
|
|
|
||
|
|
var test = require('tape');
|
||
|
|
var gOPD = require('gopd');
|
||
|
|
|
||
|
|
test('defineProperty: supported', { skip: !$defineProperty }, function (t) {
|
||
|
|
t.plan(4);
|
||
|
|
|
||
|
|
t.equal(typeof $defineProperty, 'function', 'defineProperty is supported');
|
||
|
|
if ($defineProperty && gOPD) { // this `if` check is just to shut TS up
|
||
|
|
var o = { a: 1 };
|
||
|
|
|
||
|
|
$defineProperty(o, 'b', { enumerable: true, value: 2 });
|
||
|
|
t.deepEqual(
|
||
|
|
gOPD(o, 'b'),
|
||
|
|
{
|
||
|
|
configurable: false,
|
||
|
|
enumerable: true,
|
||
|
|
value: 2,
|
||
|
|
writable: false
|
||
|
|
},
|
||
|
|
'property descriptor is as expected'
|
||
|
|
);
|
||
|
|
|
||
|
|
$defineProperty(o, 'c', { enumerable: false, value: 3, writable: true });
|
||
|
|
t.deepEqual(
|
||
|
|
gOPD(o, 'c'),
|
||
|
|
{
|
||
|
|
configurable: false,
|
||
|
|
enumerable: false,
|
||
|
|
value: 3,
|
||
|
|
writable: true
|
||
|
|
},
|
||
|
|
'property descriptor is as expected'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
t.equal($defineProperty, Object.defineProperty, 'defineProperty is Object.defineProperty');
|
||
|
|
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('defineProperty: not supported', { skip: !!$defineProperty }, function (t) {
|
||
|
|
t.notOk($defineProperty, 'defineProperty is not supported');
|
||
|
|
|
||
|
|
t.match(
|
||
|
|
typeof $defineProperty,
|
||
|
|
/^(?:undefined|boolean)$/,
|
||
|
|
'`typeof defineProperty` is `undefined` or `boolean`'
|
||
|
|
);
|
||
|
|
|
||
|
|
t.end();
|
||
|
|
});
|