js/src/jit-test/tests/proxy/testDirectProxySetNested.js


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// The receiver argument is passed through proxies with no "set" handler.

var hits;
var a = new Proxy({}, {
    set(t, id, value, receiver) {
        assertEq(id, "prop");
        assertEq(value, 3);
        assertEq(receiver, b);
        hits++;
    }
});
var b = new Proxy(a, {});
hits = 0;
b.prop = 3;
assertEq(hits, 1);