testDirectProxyDefineProperty6.js

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// Bug 1133094 - Proxy.[[DefineOwnProperty]]() should not throw when asked to

// define a configurable accessor property over an existing configurable data

// property on the target, even if the trap leaves the target unchanged.

var hits = 0;

var p = new Proxy({x: 1}, {

    defineProperty(t, k, desc) {

        // don't bother redefining the existing property t.x

        hits++;

        return true;

});

assertEq(Object.defineProperty(p, "x", {get: function () {}}), p);

assertEq(hits, 1);

assertEq(p.x, 1);