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
|
// Copyright (c) 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*---
esid: sec-array.of
es6id: 22.1.2.3
description: >
Array.of method creates a new Array with a variable number of arguments.
info: |
22.1.2.3 Array.of ( ...items )
...
7. Let k be 0.
8. Repeat, while k < len
a. Let kValue be items[k].
b. Let Pk be ToString(k).
c. Let defineStatus be CreateDataPropertyOrThrow(A,Pk, kValue).
d. ReturnIfAbrupt(defineStatus).
e. Increase k by 1.
9. Let setStatus be Set(A, "length", len, true).
10. ReturnIfAbrupt(setStatus).
11. Return A.
---*/
var a1 = Array.of('Mike', 'Rick', 'Leo');
assert.sameValue(
a1.length, 3,
'The new array length is the same as the arguments size'
);
assert.sameValue(a1[0], 'Mike', 'set each property in order - #1');
assert.sameValue(a1[1], 'Rick', 'set each property in order - #2');
assert.sameValue(a1[2], 'Leo', 'set each property in order - #3');
var a2 = Array.of(undefined, false, null, undefined);
assert.sameValue(
a2.length, 4,
'Creates an array from the arguments, regarless of their type values'
);
assert.sameValue(a2[0], undefined, 'set each property in order - #1');
assert.sameValue(a2[1], false, 'set each property in order - #2');
assert.sameValue(a2[2], null, 'set each property in order - #3');
assert.sameValue(a2[3], undefined, 'set each property in order - #4');
var a3 = Array.of();
assert.sameValue(a3.length, 0, 'Array.of() returns an empty array');
reportCompare(0, 0);
|
