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69 lines
2.4 KiB
JavaScript
69 lines
2.4 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/**
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* The unshift function is intentionally generic.
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* It does not require that its this value be an Array object
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*
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* @path ch15/15.4/15.4.4/15.4.4.13/S15.4.4.13_A2_T1.js
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* @description The arguments are prepended to the start of the array, such that
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* their order within the array is the same as the order in which they appear in
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* the argument list
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*/
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var obj = {};
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obj.unshift = Array.prototype.unshift;
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if (obj.length !== undefined) {
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$ERROR('#0: var obj = {}; obj.length === undefined. Actual: ' + (obj.length));
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} else {
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//CHECK#1
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var unshift = obj.unshift(-1);
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if (unshift !== 1) {
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$ERROR('#1: var obj = {}; obj.unshift = Array.prototype.unshift; obj.unshift(-1) === 1. Actual: ' + (unshift));
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}
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//CHECK#2
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if (obj.length !== 1) {
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$ERROR('#2: var obj = {}; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj.length === 1. Actual: ' + (obj.length));
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}
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//CHECK#3
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if (obj["0"] !== -1) {
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$ERROR('#3: var obj = {}; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj["0"] === -1. Actual: ' + (obj["0"]));
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}
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}
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//CHECK#4
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obj.length = undefined;
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var unshift = obj.unshift(-4);
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if (unshift !== 1) {
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$ERROR('#4: var obj = {}; obj.length = undefined; obj.unshift = Array.prototype.unshift; obj.unshift(-4) === 1. Actual: ' + (unshift));
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}
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//CHECK#5
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if (obj.length !== 1) {
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$ERROR('#5: var obj = {}; obj.length = undefined; obj.unshift = Array.prototype.unshift; obj.unshift(-4); obj.length === 1. Actual: ' + (obj.length));
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}
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//CHECK#6
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if (obj["0"] !== -4) {
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$ERROR('#6: var obj = {}; obj.length = undefined; obj.unshift = Array.prototype.unshift; obj.unshift(-4); obj["0"] === -4. Actual: ' + (obj["0"]));
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}
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//CHECK#7
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obj.length = null
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var unshift = obj.unshift(-7);
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if (unshift !== 1) {
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$ERROR('#7: var obj = {}; obj.length = null; obj.unshift = Array.prototype.unshift; obj.unshift(-7) === 1. Actual: ' + (unshift));
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}
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//CHECK#8
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if (obj.length !== 1) {
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$ERROR('#8: var obj = {}; obj.length = null; obj.unshift = Array.prototype.unshift; obj.unshift(-7); obj.length === 1. Actual: ' + (obj.length));
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}
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//CHECK#9
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if (obj["0"] !== -7) {
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$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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}
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