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Fix undefined isSafeProperty test + comment

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This commit is contained in:
Thomas Brierley 2017-07-04 19:56:54 +01:00
parent 7d6c583629
commit 1dd67cd591
1 changed files with 12 additions and 4 deletions
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16
test/utils/customs.test.js
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@ -91,17 +91,25 @@ describe ('customs', function () {
describe ('isSafeProperty', function () {
it ('plain objects', function () {
var object = {
foo: true
};
var object = {};
/* From Object.prototype:
Object.getOwnPropertyNames(Object.prototype).forEach(
key => typeof ({})[key] !== 'function' && console.log(key))
*/
assert.equal(customs.isSafeProperty(object, '__proto__'), false);
/* From Function.prototype:
Object.getOwnPropertyNames(Function.prototype).forEach(
key => typeof (function () {})[key] !== 'function' && console.log(key))
*/
assert.equal(customs.isSafeProperty(object, 'length'), true);
assert.equal(customs.isSafeProperty(object, 'name'), false);
assert.equal(customs.isSafeProperty(object, 'arguments'), false);
assert.equal(customs.isSafeProperty(object, 'caller'), false);
// non existing property
assert.equal(customs.isSafeProperty(object, 'foo'), true);
assert.equal(customs.isSafeProperty(object, 'bar'), true);
// custom inherited property
var object = {};