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load(libdir + "asserts.js");
/*
* Throw a TypeError if the trap sets a non-configurable accessor property that
* doest not have a setter
*/
var target = {};
Object.defineProperty(target, 'foo', {
get: function () {
return 'bar'
},
configurable: false
});
var handler = { set: () => true };
for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy])
assertThrowsInstanceOf(() => p['foo'] = 'baz', TypeError);
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