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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_A2_T1;
* @section: 15.4.4.13;
* @assertion: The unshift function is intentionally generic.
* It does not require that its this value be an Array object;
* @description: The arguments are prepended to the start of the array, such that
* their order within the array is the same as the order in which they appear in
* the argument list;
*/
var obj = {};
obj.unshift = Array.prototype.unshift;
if (obj.length !== undefined) {
$ERROR('#0: var obj = {}; obj.length === undefined. Actual: ' + (obj.length));
} else {
//CHECK#1
var unshift = obj.unshift(-1);
if (unshift !== 1) {
$ERROR('#1: var obj = {}; obj.unshift = Array.prototype.unshift; obj.unshift(-1) === 1. Actual: ' + (unshift));
}
//CHECK#2
if (obj.length !== 1) {
$ERROR('#2: var obj = {}; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj.length === 1. Actual: ' + (obj.length));
}
//CHECK#3
if (obj["0"] !== -1) {
$ERROR('#3: var obj = {}; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj["0"] === -1. Actual: ' + (obj["0"]));
}
}
//CHECK#4
obj.length = undefined;
var unshift = obj.unshift(-4);
if (unshift !== 1) {
$ERROR('#4: var obj = {}; obj.length = undefined; obj.unshift = Array.prototype.unshift; obj.unshift(-4) === 1. Actual: ' + (unshift));
}
//CHECK#5
if (obj.length !== 1) {
$ERROR('#5: var obj = {}; obj.length = undefined; obj.unshift = Array.prototype.unshift; obj.unshift(-4); obj.length === 1. Actual: ' + (obj.length));
}
//CHECK#6
if (obj["0"] !== -4) {
$ERROR('#6: var obj = {}; obj.length = undefined; obj.unshift = Array.prototype.unshift; obj.unshift(-4); obj["0"] === -4. Actual: ' + (obj["0"]));
}
//CHECK#7
obj.length = null
var unshift = obj.unshift(-7);
if (unshift !== 1) {
$ERROR('#7: var obj = {}; obj.length = null; obj.unshift = Array.prototype.unshift; obj.unshift(-7) === 1. Actual: ' + (unshift));
}
//CHECK#8
if (obj.length !== 1) {
$ERROR('#8: var obj = {}; obj.length = null; obj.unshift = Array.prototype.unshift; obj.unshift(-7); obj.length === 1. Actual: ' + (obj.length));
}
//CHECK#9
if (obj["0"] !== -7) {
$ERROR('#9: var obj = {}; obj.length = null; obj.unshift = Array.prototype.unshift; obj.unshift(-7); obj["0"] === -7. Actual: ' + (obj["0"]));
}
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