test262/test/built-ins/Array/S15.4.5.2_A3_T3.js

29 lines
844 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_T3
description: "[[Put]] (length, 4294967296)"
---*/
//CHECK#1
var x = [];
x.length = 4294967295;
if (x.length !== 4294967295) {
$ERROR('#1: x = []; x.length = 4294967295; x.length === 4294967295');
}
//CHECK#2
try {
x = [];
x.length = 4294967296;
$ERROR('#2.1: x = []; x.length = 4294967296 throw RangeError. Actual: x.length === ' + (x.length));
} catch(e) {
if ((e instanceof RangeError) !== true) {
$ERROR('#2.2: x = []; x.length = 4294967296 throw RangeError. Actual: ' + (e));
}
}