JSTests/test262/test/built-ins/Array/S15.4.5.2_A3_T4.js

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

/*---
info: >
    If the length property is changed, every property whose name
    is an array index whose value is not smaller than the new length is automatically deleted
es5id: 15.4.5.2_A3_T4
description: >
    If new length greater than the name of every property whose name
    is an array index
---*/

//CHECK#1
var x = [0,1,2]; 
x[4294967294] = 4294967294; 
x.length = 2;

//CHECK#1
if (x[0] !== 0) {  
  $ERROR('#1: x = [0,1,2]; x[4294967294] = 4294967294; x.length = 2; x[0] === 0. Actual: ' + (x[0]));    
}

//CHECK#2
if (x[1] !== 1) {  
  $ERROR('#2: x = [0,1,2]; x[4294967294] = 4294967294; x.length = 2; x[1] === 1. Actual: ' + (x[1]));    
}

//CHECK#3
if (x[2] !== undefined) {  
  $ERROR('#3: x = [0,1,2]; x[4294967294] = 4294967294; x.length = 2; x[2] === undefined. Actual: ' + (x[2]));    
}

//CHECK#4
if (x[4294967294] !== undefined) {  
  $ERROR('#4: x = [0,1,2]; x[4294967294] = 4294967294; x.length = 2; x[4294967294] === undefined. Actual: ' + (x[4294967294]));    
}