### Question:
URLSupport { static List<String> getProtocolHandlerProviders() { return AccessController.doPrivileged(new ProtocolHandlerProviderParser()); } private  URLSupport();   }### Answer:
@Test public void testGet$noPropertyDefined() { assertThat(URLSupport.getProtocolHandlerProviders(),empty()); }
@Test public void testGet$blankPropertyDefined() { setValue(" "); assertThat(URLSupport.getProtocolHandlerProviders(),empty()); }
@Test public void testGet$predefinedPropertyDefined() { setValue(EXAMPLE_PACKAGE); List<String> providers = URLSupport.getProtocolHandlerProviders(); assertThat(providers,hasSize(1)); assertThat(providers,contains(EXAMPLE_PACKAGE)); }