slice-sparse-getter.js

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// Indexed getters can add new properties that slice should not ignore.

var arr = [];

Object.defineProperty(arr, 10000, {get: function() {

    arr[10001] = 4;

    return 3;

}});

arr[10010] = 6;

var res = arr.slice(8000);

assertEq(res[2000], 3);

assertEq(res[2001], 4);

assertEq(res[2010], 6);