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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_T2;
* @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;
*/
// Converted for Test262 from original Sputnik source
ES5Harness.registerTest( {
id: "S15.4.4.13_A2_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_A2_T2.js",
assertion: "The unshift function is intentionally generic.",
description: "The arguments are prepended to the start of the array, such that",
test: function testcase() {
var obj = {};
obj.unshift = Array.prototype.unshift;
//CHECK#1
obj.length = NaN;
var unshift = obj.unshift(-1);
if (unshift !== 1) {
$ERROR('#1: var obj = {}; obj.length = NaN; obj.unshift = Array.prototype.unshift; obj.unshift(-1) === 1. Actual: ' + (unshift));
}
//CHECK#2
if (obj.length !== 1) {
$ERROR('#2: var obj = {}; obj.length = NaN; 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.length = NaN; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj["0"] === -1. Actual: ' + (obj["0"]));
}
//CHECK#4
obj.length = Number.POSITIVE_INFINITY;
var unshift = obj.unshift(-4);
if (unshift !== 1) {
$ERROR('#4: var obj = {}; obj.length = Number.POSITIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-4) === 1. Actual: ' + (unshift));
}
//CHECK#5
if (obj.length !== 1) {
$ERROR('#6: var obj = {}; obj.length = Number.POSITIVE_INFINITY; 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 = Number.POSITIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-4); obj["0"] === -4. Actual: ' + (obj["0"]));
}
//CHECK#7
obj.length = Number.NEGATIVE_INFINITY;
var unshift = obj.unshift(-7);
if (unshift !== 1) {
$ERROR('#7: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-7) === 1. Actual: ' + (unshift));
}
//CHECK#8
if (obj.length !== 1) {
$ERROR('#8: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; 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 = Number.NEGATIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-7); obj["0"] === -7. Actual: ' + (obj["0"]));
}
//CHECK#10
obj.length = 0.5;
var unshift = obj.unshift(-10);
if (unshift !== 1) {
$ERROR('#10: var obj = {}; obj.length = 0.5; obj.unshift = Array.prototype.unshift; obj.unshift(-10) === 1. Actual: ' + (unshift));
}
//CHECK#11
if (obj.length !== 1) {
$ERROR('#11: var obj = {}; obj.length = 0.5; obj.unshift = Array.prototype.unshift; obj.unshift(-10); obj.length === 1. Actual: ' + (obj.length));
}
//CHECK#12
if (obj["0"] !== -10) {
$ERROR('#12: var obj = {}; obj.length = 0.5; obj.unshift = Array.prototype.unshift; obj.unshift(-10); obj["0"] === -10. Actual: ' + (obj["0"]));
}
//CHECK#13
obj.length = 1.5;
var unshift = obj.unshift(-13);
if (unshift !== 2) {
$ERROR('#13: var obj = {}; obj.length = 1.5; obj.unshift = Array.prototype.unshift; obj.unshift(-13) === 2. Actual: ' + (unshift));
}
//CHECK#14
if (obj.length !== 2) {
$ERROR('#14: var obj = {}; obj.length = 1.5; obj.unshift = Array.prototype.unshift; obj.unshift(-13); obj.length === 2. Actual: ' + (obj.length));
}
//CHECK#15
if (obj["0"] !== -13) {
$ERROR('#15: var obj = {}; obj.length = 1.5; obj.unshift = Array.prototype.unshift; obj.unshift(-13); obj["0"] === -13. Actual: ' + (obj["0"]));
}
//CHECK#16
obj.length = new Number(0);
var unshift = obj.unshift(-16);
if (unshift !== 1) {
$ERROR('#16: var obj = {}; obj.length = new Number(0); obj.unshift = Array.prototype.unshift; obj.unshift(-16) === 1. Actual: ' + (unshift));
}
//CHECK#17
if (obj.length !== 1) {
$ERROR('#17: var obj = {}; obj.length = new Number(0); obj.unshift = Array.prototype.unshift; obj.unshift(-16); obj.length === 1. Actual: ' + (obj.length));
}
//CHECK#18
if (obj["0"] !== -16) {
$ERROR('#18: var obj = {}; obj.length = new Number(0); obj.unshift = Array.prototype.unshift; obj.unshift(-16); obj["0"] === -16. Actual: ' + (obj["0"]));
}
}
});
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