### Question:
MailTo { public static boolean isMailTo(Uri uri) { return uri != null && MAILTO_SCHEME.equals(uri.getScheme()); } private  MailTo(Address[] toAddresses, Address[] ccAddresses, Address[] bccAddresses, String subject, String body); static boolean isMailTo(Uri uri); static MailTo parse(Uri uri); Address[] getTo(); Address[] getCc(); Address[] getBcc(); String getSubject(); String getBody();  }### Answer:
@SuppressWarnings("ConstantConditions") @Test public void testIsMailTo_nullArgument() { Uri uri = null; boolean result = MailTo.isMailTo(uri); assertFalse(result); }