michael@0: // Copyright 2011 Google Inc.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * @path ch13/13.2/S13.2.3_A1.js
michael@0:  * @description check that all poisoning use the [[ThrowTypeError]]
michael@0:  * function object.
michael@0:  * @onlyStrict
michael@0:  */
michael@0: 
michael@0: "use strict";
michael@0: var poison = Object.getOwnPropertyDescriptor(function() {}, 'caller').get;
michael@0: 
michael@0: if (typeof poison !== 'function') {
michael@0:   $ERROR("#1: A strict function's .caller should be poisoned with a function");
michael@0: }
michael@0: var threw = null;
michael@0: try {
michael@0:   poison();
michael@0: } catch (err) {
michael@0:   threw = err;
michael@0: }
michael@0: if (!threw || !(threw instanceof TypeError)) {
michael@0:   $ERROR("#2: Poisoned property should throw TypeError");
michael@0: }
michael@0: 
michael@0: function checkPoison(obj, name) {
michael@0:   var desc = Object.getOwnPropertyDescriptor(obj, name);
michael@0:   if (desc.enumerable) {
michael@0:     $ERROR("#3: Poisoned " + name + " should not be enumerable");
michael@0:   }
michael@0:   if (desc.configurable) {
michael@0:     $ERROR("#4: Poisoned " + name + " should not be configurable");
michael@0:   }
michael@0:   if (poison !== desc.get) {
michael@0:     $ERROR("#5: " + name + "'s getter not poisoned with same poison");
michael@0:   }
michael@0:   if (poison !== desc.set) {
michael@0:     $ERROR("#6: " + name + "'s setter not poisoned with same poison");
michael@0:   }
michael@0: }
michael@0: 
michael@0: checkPoison(function() {}, 'caller');
michael@0: checkPoison(function() {}, 'arguments');
michael@0: checkPoison((function() { return arguments; })(), 'caller');
michael@0: checkPoison((function() { return arguments; })(), 'callee');
michael@0: checkPoison((function() {}).bind(null), 'caller');
michael@0: checkPoison((function() {}).bind(null), 'arguments');
michael@0: