test262/test/language/expressions/delete/S8.12.7_A2_T1.js

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

/*---
info: |
    When the [[Delete]] method of O is called with property name P,
    and if O doesn't have a property with name P, return true
esid: sec-delete-operator-runtime-semantics-evaluation
description: Try to delete not existent properties
---*/

var __color__map = {};

//////////////////////////////////////////////////////////////////////////////
//CHECK#1
if (delete __color__map.red !== true) {
  $ERROR(
    '#1: var __color__map = {}; delete __color__map.red === true. Actual: ' +
    delete __color__map.red
  );
}
//
//////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////
//CHECK#2
if (delete __color__map['green'] !== true) {
  $ERROR(
    '#2: var __color__map = {}; delete __color__map["green"] === true. Actual: ' +
    delete __color__map['green']
  );
}
//
//////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////
//CHECK#3
var blue = 1;
if (delete __color__map[blue] !== true) {
  $ERROR(
    '#3: var __color__map = {}; var blue = 1; delete __color__map[blue] === true. Actual: ' +
    delete __color__map[blue]
  );
}
//
//////////////////////////////////////////////////////////////////////////////