test262/test/built-ins/Array/S15.4.5.2_A3_T1.js

32 lines
846 B
JavaScript

// 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_T1
description: >
If new length greater than the name of every property whose name
is an array index
---*/
//CHECK#1
var x = [];
x.length = 1;
if (x.length !== 1) {
$ERROR('#1: x = []; x.length = 1; x.length === 1. Actual: ' + (x.length));
}
//CHECK#2
x[5] = 1;
x.length = 10;
if (x.length !== 10) {
$ERROR('#2: x = []; x.length = 1; x[5] = 1; x.length = 10; x.length === 10. Actual: ' + (x.length));
}
//CHECK#3
if (x[5] !== 1) {
$ERROR('#3: x = []; x.length = 1; x[5] = 1; x.length = 10; x[5] = 1');
}