michael@0: 
michael@0: (function () { 
michael@0:   assertEquals = function assertEquals(expected, found, name_opt) {  };
michael@0: })();
michael@0: function testOne(receiver, key, result) {
michael@0:   for(var i = 0; i != 10; i++ ) {
michael@0:     assertEquals(result, receiver[key]());
michael@0:   }
michael@0: }
michael@0: function TypeOfThis() { return typeof this; }
michael@0: Number.prototype.type = TypeOfThis;
michael@0: String.prototype.type = TypeOfThis;
michael@0: Boolean.prototype.type = TypeOfThis;
michael@0: testOne(2.3, 'type', 'object');
michael@0: testOne('x', 'type', 'object');
michael@0: testOne(true, 'type', 'object');