JSTests/test262/test/built-ins/Array/prototype/pop/S15.4.4.6_A2_T3.js

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

/*---
info: |
    The pop function is intentionally generic.
    It does not require that its this value be an Array object
esid: sec-array.prototype.pop
description: >
    The last element ToUint32(length) - 1 of the array is removed from
    the array  and returned
---*/

var obj = {};
obj.pop = Array.prototype.pop;

//CHECK#1
obj.length = 2.5;
var pop = obj.pop();
if (pop !== undefined) {
  $ERROR('#1: var obj = {}; obj.length = 2.5; obj.pop = Array.prototype.pop; obj.pop() === undefined. Actual: ' + (pop));
}

//CHECK#2
if (obj.length !== 1) {
  $ERROR('#2: var obj = {}; obj.length = 2.5; obj.pop = Array.prototype.pop; obj.pop(); obj.length === 1. Actual: ' + (obj.length));
}

//CHECK#3
obj.length = new Number(2);
var pop = obj.pop();
if (pop !== undefined) {
  $ERROR('#11: var obj = {}; obj.length = new Number(2); obj.pop = Array.prototype.pop; obj.pop() === undefined. Actual: ' + (pop));
}

//CHECK#3
if (obj.length !== 1) {
  $ERROR('#12: var obj = {}; obj.length = new Number(2); obj.pop = Array.prototype.pop; obj.pop(); obj.length === 1. Actual: ' + (obj.length));
}