test262/test/harness/propertyhelper-verifynotwri...

24 lines
517 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Objects whose specified property is not writable satisfy the assertion
outside of strict mode.
includes: [propertyHelper.js]
flags: [noStrict]
---*/
var obj = {};
Object.defineProperty(obj, 'a', {
writable: false,
value: 123
});
verifyNotWritable(obj, 'a');
if (obj.a !== 123) {
$ERROR('`verifyNotWritable` should be non-destructive.');
}