| // 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 from a with a custom start index. |
| info: | |
| 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] ) |
| |
| ... |
| 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). |
| ... |
| includes: [compareArray.js] |
| ---*/ |
| |
| assert( |
| compareArray([0, 0, 0].fill(8, 0, 1), [8, 0, 0]), |
| 'Fill elements from custom end position' |
| ); |
| |
| assert( |
| compareArray([0, 0, 0].fill(8, 0, -1), [8, 8, 0]), |
| 'negative end sets final position to max((this.length + relativeEnd), 0)' |
| ); |
| |
| assert( |
| compareArray([0, 0, 0].fill(8, 0, 5), [8, 8, 8]), |
| 'end position is never higher than of this.length' |
| ); |