test262/test/language/expressions/delete/S11.4.1_A4.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    "Delete" operator removes property, which is reference to the object, not
    the object
esid: sec-delete-operator-runtime-semantics-evaluation
description: Checking two reference by one object
flags: [noStrict]
---*/

//CHECK#1
var obj = new Object();
var ref = obj;
delete ref;
if (typeof obj !== 'object') {
  $ERROR(
    '#1: obj = new Object(); ref = obj; delete ref; typeof obj === "object". Actual: ' +
    typeof obj
  );
}