[Java] メールアドレスチェック

MailAddressCheckTest.java

public static boolean chackMailAddress(String address) {
  try {
    new javax.mail.internet.InternetAddress(address, true);
  } catch (AddressException e) {
    return false;
  }
  return true;
}

@Test
public void testChackMailAddressOK() {
  assertTrue(chackMailAddress("nobody@example.com"));
  assertTrue(chackMailAddress("NOBODY@EXAMPLE.COM"));
  assertTrue(chackMailAddress("1@2.3"));
  assertTrue(chackMailAddress("1@2"));
  assertTrue(chackMailAddress("a..b@example.com"));
  assertTrue(chackMailAddress("a.@example.com"));
  assertTrue(chackMailAddress(".a@example.com"));
  assertTrue(chackMailAddress("_!#$%&'*+/=?^`{}~|-@example.com"));
  assertTrue(chackMailAddress("Anonymous <nobody@example.com>"));
  assertTrue(chackMailAddress("<nobody@example.com>"));
}

@Test
public void testChackMailAddressNG() {
  assertFalse(chackMailAddress("1@"));
  assertFalse(chackMailAddress("@2"));
  assertFalse(chackMailAddress("abc"));
  assertFalse(chackMailAddress(""));
  assertFalse(chackMailAddress("(@example.com"));
  assertFalse(chackMailAddress("１@example.com"));
  assertFalse(chackMailAddress("1＠example.com"));
  assertFalse(chackMailAddress("nobody @example.com"));
}