1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// 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.copywithin
description: >
Set values with out of bounds negative start argument.
info: |
22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )
...
10. If relativeStart < 0, let from be max((len + relativeStart),0); else let
from be min(relativeStart, len).
...
includes: [compareArray.js]
---*/
assert.compareArray(
[0, 1, 2, 3].copyWithin(0, -10), [0, 1, 2, 3],
'[0, 1, 2, 3].copyWithin(0, -10) must return [0, 1, 2, 3]'
);
assert.compareArray(
[1, 2, 3, 4, 5].copyWithin(0, -Infinity), [1, 2, 3, 4, 5],
'[1, 2, 3, 4, 5].copyWithin(0, -Infinity) must return [1, 2, 3, 4, 5]'
);
assert.compareArray(
[0, 1, 2, 3, 4].copyWithin(2, -10), [0, 1, 0, 1, 2],
'[0, 1, 2, 3, 4].copyWithin(2, -10) must return [0, 1, 0, 1, 2]'
);
assert.compareArray(
[1, 2, 3, 4, 5].copyWithin(2, -Infinity), [1, 2, 1, 2, 3],
'[1, 2, 3, 4, 5].copyWithin(2, -Infinity) must return [1, 2, 1, 2, 3]'
);
assert.compareArray(
[0, 1, 2, 3, 4].copyWithin(10, -10), [0, 1, 2, 3, 4],
'[0, 1, 2, 3, 4].copyWithin(10, -10) must return [0, 1, 2, 3, 4]'
);
assert.compareArray(
[1, 2, 3, 4, 5].copyWithin(10, -Infinity), [1, 2, 3, 4, 5],
'[1, 2, 3, 4, 5].copyWithin(10, -Infinity) must return [1, 2, 3, 4, 5]'
);
assert.compareArray(
[0, 1, 2, 3].copyWithin(-9, -10), [0, 1, 2, 3],
'[0, 1, 2, 3].copyWithin(-9, -10) must return [0, 1, 2, 3]'
);
assert.compareArray(
[1, 2, 3, 4, 5].copyWithin(-9, -Infinity), [1, 2, 3, 4, 5],
'[1, 2, 3, 4, 5].copyWithin(-9, -Infinity) must return [1, 2, 3, 4, 5]'
);
reportCompare(0, 0);
|
