return false;
        }
        domain = domain.toLowerCase();
        return domains.get(domain) != null;
    }

    /**
     * Gets a domain controller transport for the specified domain
     * @param domain the domain name
     * @param auth the authentication credentials
     * @return an SMB transport to the domain controller
     * @throws SmbAuthException if authentication fails
     */

    // TODO: write a test that shows pooled connections detect HTTP/1.0 (vs. HTTP/1.1)
    fail("TODO")
  }

  @Test
  @Disabled
  fun postBodiesRetransmittedOnAuthProblems() {
    fail("TODO")
  }

  @Test
  @Disabled
  fun cookiesAndTrailers() {
    // Do cookie headers get processed too many times?
    fail("TODO")
  }

  @Test
  fun emptyRequestHeaderValueIsAllowed() {

    final Range<C> range;
    final DiscreteDomain<C> domain;

    private SerializedForm(Range<C> range, DiscreteDomain<C> domain) {
      this.range = range;
      this.domain = domain;
    }

    private Object readResolve() {
      return new RegularContiguousSet<>(range, domain);
    }
  }

  @GwtIncompatible
  @J2ktIncompatible
    @Override

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install email-validator
```

or with:

```console
$ pip install "pydantic[email]"
```

///

        }
    }

    // Test constructor with domain, username, and password
    @Test
    void testConstructorWithDomainUsernamePassword() {
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication("DOMAIN", "user", "password");
        assertEquals("DOMAIN", auth.getDomain());
        assertEquals("user", auth.getUsername());

    /**
     * Returns the supplied authentication domain.
     *
     * @return A <code>String</code> containing the supplied domain.
     */
    public String getSuppliedDomain() {
        return this.suppliedDomain;
    }

    /**
     * Sets the supplied authentication domain for this message.
     *
     * @param suppliedDomain
     *            The supplied domain for this message.
     */

                if (ci > 0) {
                    domain = username.substring(0, ci);
                    username = username.substring(ci + 1);
                }
            }
        }

        this.domain = domain;
        this.username = username;
        this.password = password;

        initDefaults();

        if (domain == null) {
            this.domain = DEFAULT_DOMAIN;
        }

    }

    /**
     * Returns the domain in which the user has an account.
     *
     * @return A <code>String</code> containing the domain for the user.
     */
    public String getDomain() {
        return domain;
    }

    /**
     * Sets the domain for this message.
     *
     * @param domain The domain.
     */
    public void setDomain(final String domain) {
        this.domain = domain;
    }

func TestS3String(t *testing.T) {
	const Domain = "SSE-S3"
	if domain := S3.String(); domain != Domain {
		t.Errorf("S3's string method returns wrong domain: got '%s' - want '%s'", domain, Domain)
	}
}

func TestSSECString(t *testing.T) {
	const Domain = "SSE-C"
	if domain := SSEC.String(); domain != Domain {
		t.Errorf("SSEC's string method returns wrong domain: got '%s' - want '%s'", domain, Domain)
	}
}

    @Test
    public void testEqualsWithPassword() {
        NtlmPasswordAuthenticator auth1 = new NtlmPasswordAuthenticator("DOMAIN", "user", "pass123");
        NtlmPasswordAuthenticator auth2 = new NtlmPasswordAuthenticator("DOMAIN", "user", "pass123");
        NtlmPasswordAuthenticator auth3 = new NtlmPasswordAuthenticator("DOMAIN", "user", "differentPass");

        assertEquals(auth1, auth2, "Authenticators with same credentials should be equal");