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// Copyright (C) 2021 Microsoft. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.findlast
description: >
Predicate is not called on empty instances
info: |
%TypedArray%.prototype.findLast (predicate [ , thisArg ] )
6. Repeat, while k ≥ 0,
...
c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)).
...
includes: [testBigIntTypedArray.js]
features: [BigInt, TypedArray, array-find-from-last]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample = new TA();
var called = false;
var result = sample.findLast(function() {
called = true;
return true;
});
assert.sameValue(
called,
false,
"empty instance does not call predicate"
);
assert.sameValue(
result,
undefined,
"findLast returns undefined when predicate is not called"
);
});
reportCompare(0, 0);
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