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class foo extends Array { }
function testArrs(arrs) {
for (let arr of arrs) {
assertEq(Object.getPrototypeOf(arr), foo.prototype);
}
}
var arrs = [];
for (var i = 0; i < 25; i++)
arrs.push(new foo(1));
testArrs(arrs);
arrs[0].nonIndexedProp = "uhoh";
arrs.push(new foo(1));
testArrs(arrs);
if (typeof reportCompare === 'function')
reportCompare(0,0,"OK");