michael@0: // obj.defineProperty redefining an existing property leaves unspecified attributes unchanged.
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.p = 1;
michael@0: var dbg = new Debugger;
michael@0: var gw = dbg.addDebuggee(g);
michael@0: 
michael@0: gw.defineProperty("p", {value: 2});
michael@0: assertEq(g.p, 2);
michael@0: 
michael@0: var desc = Object.getOwnPropertyDescriptor(g, "p");
michael@0: assertEq(desc.configurable, true);
michael@0: assertEq(desc.enumerable, true);
michael@0: assertEq(desc.writable, true);
michael@0: assertEq(desc.value, 2);
michael@0: 
michael@0: g.p = 3;
michael@0: assertEq(g.p, 3);