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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%.from
description: >
Assert mapfn `this` without thisArg
info: |
22.2.2.1 %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] )
...
5. If thisArg was supplied, let T be thisArg; else let T be undefined.
...
10. Repeat, while k < len
...
c. If mapping is true, then
i. Let mappedValue be ? Call(mapfn, T, « kValue, k »).
...
includes: [testTypedArray.js]
flags: [onlyStrict]
features: [TypedArray]
---*/
var source = [42, 43];
testWithTypedArrayConstructors(function(TA, N) {
var results = [];
var mapfn = function() {
results.push(this);
return N(0);
};
TA.from(source, mapfn);
assert.sameValue(results.length, 2);
assert.sameValue(results[0], undefined);
assert.sameValue(results[1], undefined);
});
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