mirror of https://github.com/tc39/test262.git
46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
// 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');
|