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| 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --harmony-arrays |
| 6 |
| 7 assertEquals(1, Array.prototype.find.length); |
| 8 |
| 9 assertArrayEquals([].fill(8), []); |
| 10 assertArrayEquals([0, 0, 0, 0, 0].fill(), [undefined, undefined, undefined, unde
fined, undefined]); |
| 11 assertArrayEquals([0, 0, 0, 0, 0].fill(8), [8, 8, 8, 8, 8]); |
| 12 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1), [0, 8, 8, 8, 8]); |
| 13 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 10), [0, 0, 0, 0, 0]); |
| 14 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -5), [8, 8, 8, 8, 8]); |
| 15 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, 4), [0, 8, 8, 8, 0]); |
| 16 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, -1), [0, 8, 8, 8, 0]); |
| 17 assertArrayEquals([0, 0, 0, 0, 0].fill(8, 1, 42), [0, 8, 8, 8, 8]); |
| 18 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -3, 42), [0, 0, 8, 8, 8]); |
| 19 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -3, 4), [0, 0, 8, 8, 0]); |
| 20 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -2, -1), [0, 0, 0, 8, 0]); |
| 21 assertArrayEquals([0, 0, 0, 0, 0].fill(8, -1, -3), [0, 0, 0, 0, 0]); |
| 22 assertArrayEquals([0, 0, 0, 0, 0].fill(8, undefined, 4), [8, 8, 8, 8, 0]); |
| 23 assertArrayEquals([ , , , , 0].fill(8, 1, 3), [, 8, 8, , 0]); |
| 24 |
| 25 // If the range if empty, the array is not actually modified and |
| 26 // should not throw, even when applied to a frozen object. |
| 27 assertArrayEquals(Object.freeze([1, 2, 3]).fill(0, 0, 0), [1, 2, 3]); |
| 28 |
| 29 // Test exceptions |
| 30 assertThrows('Object.freeze([0]).fill()', TypeError); |
| 31 assertThrows('Array.prototype.fill.call(null)', TypeError); |
| 32 assertThrows('Array.prototype.fill.call(undefined)', TypeError); |
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