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 // Exceptions thrown by obj.defineProperties are copied into the debugger compartment.

 var g = newGlobal();

 var dbg = new Debugger;

 var gw = dbg.addDebuggee(g);

 function test(objexpr, descs) {

     var exca, excb;

     g.eval("obj = (" + objexpr + ");");

     var gobjw = gw.getOwnPropertyDescriptor("obj").value;

     try {

         gobjw.defineProperties(descs);

     } catch (exc) {

         exca = exc;

     }

     var indirectEval = eval;

     var obj = indirectEval("(" + objexpr + ");");

     try {

         Object.defineProperties(obj, descs);

     } catch (exc) {

         excb = exc;

     }

     assertEq(Object.getPrototypeOf(exca), Object.getPrototypeOf(excb));

     assertEq(exca.message, excb.message);

     assertEq(typeof exca.fileName, "string");

     assertEq(typeof exca.stack, "string");

 }

 test("Object.create(null, {p: {value: 1}})", {p: {value: 2}});

 test("({})", {x: {get: 'bad'}});