from_length_setter.js

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/ */

// Array.from calls a length setter if present.

var hits = 0;

function C() {}

C.prototype = {set length(v) { hits++; }};

C.from = Array.from;

var copy = C.from(["A", "B"]);

assertEq(hits, 1);

if (typeof reportCompare === 'function')

    reportCompare(0, 0);