| // 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 elements from coerced to Integer `start` and `end` values |
| info: | |
| 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] ) |
| |
| ... |
| 7. Let relativeStart be ToInteger(start). |
| 8. ReturnIfAbrupt(relativeStart). |
| 9. If relativeStart < 0, let k be max((len + relativeStart),0); else let k be |
| min(relativeStart, len). |
| 10. If end is undefined, let relativeEnd be len; else let relativeEnd be |
| ToInteger(end). |
| ... |
| includes: [compareArray.js] |
| ---*/ |
| |
| assert( |
| compareArray([0, 0].fill(1, undefined), [1, 1]), |
| '`undefined` start coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, undefined), [1, 1]), |
| 'If end is undefined, let relativeEnd be len' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, null), [1, 1]), |
| '`null` start coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, null), [0, 0]), |
| '`null` end coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, true), [0, 1]), |
| '`true` start coerced to 1' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, true), [1, 0]), |
| '`true` end coerced to 1' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, false), [1, 1]), |
| '`false` start coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, false), [0, 0]), |
| '`false` end coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, NaN), [1, 1]), |
| '`NaN` start coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, NaN), [0, 0]), |
| '`NaN` end coerced to 0' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, '1'), [0, 1]), |
| 'string start coerced' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, '1'), [1, 0]), |
| 'string end coerced' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 1.5), [0, 1]), |
| 'start as a float number coerced' |
| ); |
| |
| assert( |
| compareArray([0, 0].fill(1, 0, 1.5), [1, 0]), |
| 'end as a float number coerced' |
| ); |