Object-defineProperty-10.js

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// defineProperty can make a non-configurable writable property non-writable

load(libdir + "asserts.js");

var g = newGlobal({newCompartment: true});

var dbg = new Debugger;

var gw = dbg.addDebuggee(g);

gw.defineProperty("p", {writable: true, value: 1});

gw.defineProperty("p", {writable: false});

g.p = 4;

assertEq(g.p, 1);