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function assertEq(a,b) {
if (a != b) throw "oops";
}
var target = {};
target[0] = 1; // dense element: no shape property is created
Object.freeze(target); // element 0 becomes non-writable, non-configurable
var proxy = new Proxy(target, {
get(t, key) {
return "evil";
}
});
function read(o) {
return o[0];
}
var throwCount = 0;
let N = 200;
for (var i = 0; i < N; i++) {
try {
forged = read(proxy);
assertEq(true, false);
} catch (e) {
assertEq(e instanceof TypeError, true);
throwCount++;
}
}
assertEq(throwCount, N);