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// Forward to the target if the trap is not defined
var proto = Object.create(null, {
'foo': {
configurable: true
}
});
var descs = {
'bar': {
configurable: true
}
};
descs[Symbol.for("quux")] = {configurable: true};
var target = Object.create(proto, descs);
for (let p of [new Proxy(target, {}), Proxy.revocable(target, {}).proxy]) {
assertEq(({}).hasOwnProperty.call(p, 'foo'), false);
assertEq(({}).hasOwnProperty.call(p, 'bar'), true);
assertEq(({}).hasOwnProperty.call(p, 'quux'), false);
assertEq(({}).hasOwnProperty.call(p, Symbol('quux')), false);
assertEq(({}).hasOwnProperty.call(p, 'Symbol(quux)'), false);
assertEq(({}).hasOwnProperty.call(p, Symbol.for('quux')), true);
}
// Make sure only the getOwnPropertyDescriptor trap is called, and not the has
// trap.
var called;
var handler = { getOwnPropertyDescriptor: function () { called = true; },
has: function () { assertEq(false, true, "has trap must not be called"); }
}
for (let p of [new Proxy({}, handler), Proxy.revocable({}, handler).proxy]) {
called = false;
assertEq(({}).hasOwnProperty.call(p, 'foo'), false);
assertEq(called, true);
}