0N/Aif (Testobj.getVal() != 'Hello World') {
0N/A throw "unexpected value";
0N/A}
0N/A
0N/ATestobj = "a string";
0N/Aif (Testobj.getVal != undefined ||
0N/A Testobj != 'a string') {
0N/A throw "can' change Testobj?";
0N/A}