| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| The unshift function is intentionally generic. |
| It does not require that its this value be an Array object |
| esid: sec-array.prototype.unshift |
| 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"])); |
| } |