testDirectProxySetInherited.js

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// When assigning to an object with a proxy is on the prototype chain,

// the proxy's set handler is called.

var C = {};

var B = new Proxy(C, {

    get() { throw "FAIL"; },

    getOwnPropertyDescriptor() { throw "FAIL"; },

    has() { throw "FAIL"; },

    defineProperty() { throw "FAIL"; },

    set(target, id, value, receiver) {

        hits++;

        assertEq(target, C);

        assertEq(id, "x");

        assertEq(value, 3);

        assertEq(receiver, A);

        return true;

});

var A = Object.create(B);

var hits = 0;

A.x = 3;

assertEq(hits, 1);