michael@0: function failWrapper(callback) {
michael@0:     try {
michael@0:         callback(); // this should fail
michael@0:         throw "test-error"; // and if it didn't we have a problem`
michael@0:     } catch (e) {
michael@0:         if (e == "test-error")
michael@0:             throw ("Testing error when running " + callback.toString());
michael@0:     }
michael@0: }
michael@0: 
michael@0: 
michael@0: print ("Deleting standard classes");
michael@0: delete Function;
michael@0: delete Object;
michael@0: delete Array;
michael@0: delete Boolean;
michael@0: delete JSON;
michael@0: delete Date;
michael@0: delete Math;
michael@0: delete Number;
michael@0: delete String;
michael@0: delete Regexp;
michael@0: delete Reflect;
michael@0: delete Proxy;
michael@0: delete Error;
michael@0: delete Iterator;
michael@0: delete Generator;
michael@0: delete StopIteration;
michael@0: delete Float32Array;
michael@0: delete Float64Array;
michael@0: delete Int16Array;
michael@0: delete Int32Array;
michael@0: delete Int32Array;
michael@0: delete Uint16Array;
michael@0: delete Uint32Array;
michael@0: delete Uint8Array;
michael@0: delete Uint8ClampedArray;
michael@0: delete Weakmap;
michael@0: 
michael@0: 
michael@0: print ("Accessing standard classes shouldn't recreate them");
michael@0: failWrapper(function () { Function; });
michael@0: failWrapper(function () { Object; });
michael@0: failWrapper(function () { Array; });
michael@0: failWrapper(function () { Boolean; });
michael@0: failWrapper(function () { JSON; });
michael@0: failWrapper(function () { Date; });
michael@0: failWrapper(function () { Math; });
michael@0: failWrapper(function () { Number; });
michael@0: failWrapper(function () { String; });
michael@0: failWrapper(function () { Regexp; });
michael@0: failWrapper(function () { Reflect; });
michael@0: failWrapper(function () { Proxy; });
michael@0: failWrapper(function () { Error; });
michael@0: failWrapper(function () { Iterator; });
michael@0: failWrapper(function () { Generator; });
michael@0: failWrapper(function () { StopIteration; });
michael@0: failWrapper(function () { Float32Array; });
michael@0: failWrapper(function () { Float64Array; });
michael@0: failWrapper(function () { Int16Array; });
michael@0: failWrapper(function () { Int32Array; });
michael@0: failWrapper(function () { Int32Array; });
michael@0: failWrapper(function () { Uint16Array; });
michael@0: failWrapper(function () { Uint32Array; });
michael@0: failWrapper(function () { Uint8Array; });
michael@0: failWrapper(function () { Uint8ClampedArray; });
michael@0: failWrapper(function () { Weakmap; });
michael@0: 
michael@0: 
michael@0: print ("Enumerate over the global object");
michael@0: for (c in this) {}
michael@0: 
michael@0: print ("That shouldn't have recreated the standard classes either");
michael@0: failWrapper(function () { Function; });
michael@0: failWrapper(function () { Object; });
michael@0: failWrapper(function () { Array; });
michael@0: failWrapper(function () { Boolean; });
michael@0: failWrapper(function () { JSON; });
michael@0: failWrapper(function () { Date; });
michael@0: failWrapper(function () { Math; });
michael@0: failWrapper(function () { Number; });
michael@0: failWrapper(function () { String; });
michael@0: failWrapper(function () { Regexp; });
michael@0: failWrapper(function () { Reflect; });
michael@0: failWrapper(function () { Proxy; });
michael@0: failWrapper(function () { Error; });
michael@0: failWrapper(function () { Iterator; });
michael@0: failWrapper(function () { Generator; });
michael@0: failWrapper(function () { StopIteration; });
michael@0: failWrapper(function () { Float32Array; });
michael@0: failWrapper(function () { Float64Array; });
michael@0: failWrapper(function () { Int16Array; });
michael@0: failWrapper(function () { Int32Array; });
michael@0: failWrapper(function () { Int32Array; });
michael@0: failWrapper(function () { Uint16Array; });
michael@0: failWrapper(function () { Uint32Array; });
michael@0: failWrapper(function () { Uint8Array; });
michael@0: failWrapper(function () { Uint8ClampedArray; });
michael@0: failWrapper(function () { Weakmap; });
michael@0: 
michael@0: print ("success");