// 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); |