load(libdir + "asserts.js"); | |
// Throw a TypeError if the trap skips a non-configurable property | |
var target = {}; | |
Object.defineProperty(target, 'foo', { | |
configurable: false | |
}); | |
var handler = { ownKeys: () => [] }; | |
for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) | |
assertThrowsInstanceOf(() => Object.getOwnPropertyNames(p), TypeError); |