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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.slice
description: Use internal ArrayLength instead of getting a length property
info: |
22.2.3.24 %TypedArray%.prototype.slice ( start, end )
...
3. Let len be the value of O's [[ArrayLength]] internal slot.
...
includes: [testTypedArray.js]
features: [TypedArray]
---*/
var getCalls = 0;
var desc = {
get: function getLen() {
getCalls++;
return 0;
}
};
Object.defineProperty(TypedArray.prototype, "length", desc);
testWithTypedArrayConstructors(function(TA) {
var sample = new TA([42, 43]);
Object.defineProperty(TA.prototype, "length", desc);
Object.defineProperty(sample, "length", desc);
var result = sample.slice();
assert.sameValue(getCalls, 0, "ignores length properties");
assert.sameValue(result[0], 42);
assert.sameValue(result[1], 43);
assert.sameValue(result.hasOwnProperty(2), false);
});
reportCompare(0, 0);
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