| // Check superficial characteristics of functions and properties (not functionality). |
| |
| function checkFunction(obj, name, nargs) { |
| var desc = Object.getOwnPropertyDescriptor(obj, name); |
| assertEq(desc.configurable, true, name + " should be configurable"); |
| assertEq(desc.writable, true, name + " should be writable"); |
| assertEq(desc.enumerable, false, name + " should be non-enumerable"); |
| assertEq(desc.value, obj[name]); // well obviously |
| assertEq(typeof desc.value, 'function', name + " should be a function"); |
| assertEq(desc.value.length, nargs, name + " should have .length === " + nargs); |
| } |
| |
| checkFunction(this, "Debugger", 1); |
| |
| assertEq(Debugger.prototype.constructor, Debugger); |
| assertEq(Object.prototype.toString.call(Debugger.prototype), "[object Debugger]"); |
| assertEq(Object.getPrototypeOf(Debugger.prototype), Object.prototype); |