System.JSONException: no content to map to Object due to end of input

Try this :
String jsonInput = ‘{“email”:”are02@gmail.com”,”LastName”:”ABCD”,”FirstName”:”ACFPY”,”Suffix”:””,”Title”:”Engineer”,”Psw”:””,”PhoneCode”:””,”Phone”:”100-000-000″}’;
test.startTest();
ClassName.MethodName(jsonInput);
test.stopTest();