| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-array.prototype.fill |
| description: > |
| Fills all the elements with `value` from a defaul start and index. |
| info: | |
| 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] ) |
| |
| ... |
| 7. If relativeStart < 0, let k be max((len + relativeStart),0); else let k be |
| min(relativeStart, len). |
| 8. If end is undefined, let relativeEnd be len; else let relativeEnd be |
| ToInteger(end). |
| 9. ReturnIfAbrupt(relativeEnd). |
| 10. If relativeEnd < 0, let final be max((len + relativeEnd),0); else let |
| final be min(relativeEnd, len). |
| 11. Repeat, while k < final |
| a. Let Pk be ToString(k). |
| b. Let setStatus be Set(O, Pk, value, true). |
| c. ReturnIfAbrupt(setStatus). |
| d. Increase k by 1. |
| 12. Return O. |
| includes: [compareArray.js] |
| ---*/ |
| |
| assert(compareArray([].fill(8), [])); |
| |
| assert(compareArray( |
| [0, 0].fill(), [undefined, undefined] |
| )); |
| |
| assert( |
| compareArray([0, 0, 0].fill(8), [8, 8, 8]), |
| 'Default start and end indexes are 0 and this.length' |
| ); |
