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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.includes
description: Searches all indexes from a sparse array
info: |
22.1.3.11 Array.prototype.includes ( searchElement [ , fromIndex ] )
...
5. If n ≥ 0, then
a. Let k be n.
6. Else n < 0,
a. Let k be len + n.
b. If k < 0, let k be 0.
7. Repeat, while k < len
a. Let elementK be the result of ? Get(O, ! ToString(k)).
b. If SameValueZero(searchElement, elementK) is true, return true.
c. Increase k by 1.
...
features: [Array.prototype.includes]
---*/
assert.sameValue(
[, , , ].includes(undefined),
true,
"[ , , , ].includes(undefined)"
);
assert.sameValue(
[, , , 42, ].includes(undefined, 4),
false,
"[ , , , 42, ].includes(undefined, 4)"
);
var sample = [, , , 42, , ];
assert.sameValue(
sample.includes(undefined),
true,
"sample.includes(undefined)"
);
assert.sameValue(
sample.includes(undefined, 4),
true,
"sample.includes(undefined, 4)"
);
assert.sameValue(
sample.includes(42, 3),
true,
"sample.includes(42, 3)"
);
reportCompare(0, 0);
|
