michael@0: var x = new ArrayBuffer(2);
michael@0: 
michael@0: var test = function(newProto) {
michael@0: try {
michael@0:     x.__proto__ = newProto;
michael@0:     return false;
michael@0: } catch(e) {
michael@0:     return true;
michael@0: }
michael@0: }
michael@0: 
michael@0: assertEq(test(x), true);
michael@0: assertEq(test({}), true);
michael@0: assertEq(test(null), true);
michael@0: 
michael@0: reportCompare(true, true);