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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-%typedarray%.prototype.lastindexof
description: search element is compared using strict comparing (===)
info: |
22.2.3.17 %TypedArray%.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
%TypedArray%.prototype.lastIndexOf is a distinct function that implements the
same algorithm as Array.prototype.lastIndexOf as defined in 22.1.3.15 except
that the this object's [[ArrayLength]] internal slot is accessed in place of
performing a [[Get]] of "length".
22.1.3.15 Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
...
7. Repeat, while k ≥ 0
...
b. If kPresent is true, then
i. Let elementK be ? Get(O, ! ToString(k)).
ii. Let same be the result of performing Strict Equality Comparison
searchElement === elementK.
iii. If same is true, return k.
...
includes: [testTypedArray.js]
features: [TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
var sample = new TA([42, undefined, NaN, 0, 1]);
assert.sameValue(sample.lastIndexOf("42"), -1, "'42'");
assert.sameValue(sample.lastIndexOf([42]), -1, "[42]");
assert.sameValue(sample.lastIndexOf(42.0), 0, "42.0");
assert.sameValue(sample.lastIndexOf(-0), 3, "-0");
assert.sameValue(sample.lastIndexOf(true), -1, "true");
assert.sameValue(sample.lastIndexOf(false), -1, "false");
assert.sameValue(sample.lastIndexOf(NaN), -1, "NaN === NaN is false");
assert.sameValue(sample.lastIndexOf(null), -1, "null");
assert.sameValue(sample.lastIndexOf(undefined), -1, "undefined");
assert.sameValue(sample.lastIndexOf(""), -1, "empty string");
});
reportCompare(0, 0);
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