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/* Any copyright is dedicated to the Public Domain.
function test(fn, thisv) {
var message;
try {
fn.call(thisv);
} catch (e) {
message = e.message;
}
assertEq(/^values method called on incompatible.+/.test(message), true);
}
for (var thisv of [null, undefined, false, true, 0, ""]) {
test(Set.prototype.values, thisv);
test(Set.prototype.keys, thisv);
test(Set.prototype[Symbol.iterator], thisv);
}