// defineProperty can make a non-configurable writable property non-writable | |
load(libdir + "asserts.js"); | |
var g = newGlobal(); | |
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); |