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// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @name: S15.4.4.13_A4_T2;
* @section: 15.4.4.13, 8.6.2.1, 8.6.2.5;
* @assertion: [[Get]], [[Delete]] from not an inherited property;
* @description: [[Prototype]] of Array instance is Array.prototype, [[Prototype] of Array.prototype is Object.prototype;
*/
// Converted for Test262 from original Sputnik source
ES5Harness.registerTest( {
id: "S15.4.4.13_A4_T2",
path: "TestCases/15_Native/15.4_Array_Objects/15.4.4_Properties_of_the_Array_Prototype_Object/15.4.4.13_Array_prototype_unshift/S15.4.4.13_A4_T2.js",
assertion: "[[Get]], [[Delete]] from not an inherited property",
description: "[[Prototype]] of Array instance is Array.prototype, [[Prototype] of Array.prototype is Object.prototype",
test: function testcase() {
Array.prototype[0] = 1;
var x = [];
x.length = 1;
//CHECK#1
var unshift = x.unshift(0);
if (unshift !== 2) {
$ERROR('#1: Array.prototype[0] = 1; x = []; x.length = 1; x.unshift(0) === 2. Actual: ' + (unshift));
}
//CHECK#2
if (x[0] !== 0) {
$ERROR('#2: Array.prototype[0] = 1; x = []; x.length = 1; x.unshift(0); x[0] === 0. Actual: ' + (x[0]));
}
//CHECK#3
if (x[1] !== 1) {
$ERROR('#3: Array.prototype[0] = 1; x = []; x.length = 1; x.unshift(0); x[1] === 1. Actual: ' + (x[1]));
}
delete x[0];
//CHECK#4
if (x[0] !== 1) {
$ERROR('#4: Array.prototype[0] = 1; x = [1]; x.length = 1; x.unshift(0); delete x[0]; x[0] === 1. Actual: ' + (x[0]));
}
Object.prototype[0] = 1;
Object.prototype.length = 1;
Object.prototype.unshift = Array.prototype.unshift;
x = {};
//CHECK#5
var unshift = x.unshift(0);
if (unshift !== 2) {
$ERROR('#5: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0) === 2. Actual: ' + (unshift));
}
//CHECK#6
if (x[0] !== 0) {
$ERROR('#6: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); x[0] === 0. Actual: ' + (x[0]));
}
//CHECK#7
if (x[1] !== 1) {
$ERROR('#7: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); x[1] === 1. Actual: ' + (x[1]));
}
delete x[0];
//CHECK#8
if (x[0] !== 1) {
$ERROR('#8: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); delete x[0]; x[0] === 1. Actual: ' + (x[0]));
}
//CHECK#9
if (x.length !== 2) {
$ERROR('#9: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); x.length === 1. Actual: ' + (x.length));
}
//CHECK#10
delete x.length;
if (x.length !== 1) {
$ERROR('#10: Object.prototype[1] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); delete x; x.length === 1. Actual: ' + (x.length));
}
}
});
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