michael@0: var g = newGlobal();
michael@0: g.eval("function f(...x) {}");
michael@0: var dbg = new Debugger;
michael@0: var gw = dbg.addDebuggee(g);
michael@0: var fw = gw.getOwnPropertyDescriptor("f").value;
michael@0: assertEq(fw.parameterNames.toString(), "x");
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.eval("function f(...rest) { debugger; }");
michael@0: var dbg = Debugger(g);
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     var result = frame.eval("arguments");
michael@0:     assertEq("throw" in result, true);
michael@0:     var result2 = frame.evalWithBindings("exc instanceof SyntaxError", {exc: result.throw});
michael@0:     assertEq(result2.return, true);
michael@0: };
michael@0: g.f();