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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.fill.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 is 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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