testDirectProxyGetOwnPropertyDescriptor10.js

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// Return a new descriptor object that agrees with that returned by the trap

var target = {};

Object.defineProperty(target, 'foo', {

    value: 'bar',

    writable: true,

    enumerable: false,

    configurable: true

});

var desc = {

    value: 'baz',

    writable: false,

    enumerable: true,

    configurable: true

};

var handler = { getOwnPropertyDescriptor: function () { return desc; } };

for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {

    var desc1 = Object.getOwnPropertyDescriptor(p, 'foo');

    assertEq(desc1 == desc, false);

    assertEq(desc1.value, 'baz');

    assertEq(desc1.writable, false);

    assertEq(desc1.enumerable, true);

    assertEq(desc1.configurable, true);

// The returned descriptor must agree in configurability.

desc = { configurable : true };

for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {

    var desc1 = Object.getOwnPropertyDescriptor(p, 'foo');

    assertEq(desc1 == desc, false);

    assertEq(desc1.value, undefined);

    assertEq(desc1.writable, false);

    assertEq(desc1.enumerable, false);

    assertEq(desc1.configurable, true);