michael@0: // Debugger.Object.prototype.defineProperty with too few arguments throws.
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger;
michael@0: var gw = dbg.addDebuggee(g);
michael@0: assertThrowsInstanceOf(function () { gw.defineProperty("x"); }, TypeError);