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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(()=>{
var a = [0,1,2,,,,7];
var proto = {}
a.__proto__ = proto;
var visits = 0;
Array.prototype.forEach.call(a, (v,i,o) => { ++visits; proto[4] = 4; });
assertEquals(5, visits);
})();
// We have a fast path for arrays with the initial array prototype.
// If elements are inserted into the initial array prototype as we traverse
// a holey array, we should gracefully exit the fast path.
(()=>{
let a = [1, 2, 3,,,, 7];
function poison(v, i) {
if (i === 2) {
[].__proto__[4] = 3;
}
return v*v;
}
a.forEach(poison);
})();
// Same, but for a double array.
(()=>{
let a = [1, 2.5, 3,,,, 7];
function poison(v, i) {
if (i === 2) {
[].__proto__[4] = 3;
}
return v*v;
}
a.forEach(poison);
})();
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