mirror of https://github.com/tc39/test262.git
33 lines
746 B
JavaScript
33 lines
746 B
JavaScript
// Copyright (C) 2017 Leo Balter. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
description: >
|
|
Verify an undefined descriptor
|
|
includes: [propertyHelper.js]
|
|
---*/
|
|
|
|
// monkeypatch the API
|
|
$ERROR = function $ERROR(message) {
|
|
throw new Test262Error(message);
|
|
};
|
|
|
|
var sample = {
|
|
bar: undefined,
|
|
get baz() {}
|
|
};
|
|
|
|
assert.sameValue(
|
|
verifyProperty(sample, "foo", undefined),
|
|
true,
|
|
"returns true if desc and property descriptor are both undefined"
|
|
);
|
|
|
|
assert.throws(Test262Error, () => {
|
|
verifyProperty(sample, 'bar', undefined);
|
|
}, "dataDescriptor value is undefined");
|
|
|
|
assert.throws(Test262Error, () => {
|
|
verifyProperty(sample, 'baz', undefined);
|
|
}, "accessor returns undefined");
|