assertSame(dc, nc.dc);
        }

        @Test
        @DisplayName("Constructor accepts null dc")
        void testConstructorAcceptsNullDc() {
            byte[] challenge = new byte[] { 1, 2, 3 };

            NtlmChallenge nc = new NtlmChallenge(challenge, null);

            assertSame(challenge, nc.challenge);
            assertNull(nc.dc);
        }
    }

    @Nested

            for (final NegotiateContextRequest nc : this.negotiateContexts) {
                SMBUtil.writeInt2(nc.getContextType(), dst, dstIndex);
                final int lenOffset = dstIndex + 2;
                dstIndex += 4;
                SMBUtil.writeInt4(0, dst, dstIndex);
                dstIndex += 4; // Reserved
                final int dataLen = size8(nc.encode(dst, dstIndex));

        return Stream.of(Arguments.of(",", "A,B,C"), Arguments.of(", ", "A, B, C"), Arguments.of(" ", "A B C"), Arguments.of("|", "A|B|C"),
                Arguments.of("::", "A::B::C"), Arguments.of("\n", "A\nB\nC"), Arguments.of("\r\n", "A\r\nB\r\nC"));
    }

    @Test
    @DisplayName("Should handle StringBuilder as CharSequence")
    void testJoinWithStringBuilder() {
        StringBuilder sb1 = new StringBuilder("first");

data-w-type="embedded" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://xr4n4.mjt.lu/wgt/xr4n4/hj5/form?c=40a44fa4" width="100%" style="height: 800px;"></iframe>

<script type="text/javascript" src="https://app.mailjet.com/pas-nc-embedded-v1.js"></script>...

                log.debug("Got callback " + cb.getClass().getName());
            }

            if (cb instanceof NameCallback nc) {
                String userDomain = this.getSpecifiedUserDomain();
                if (this.getUsername() != null && userDomain != null) {
                    nc.setName(this.getUsername() + "@" + userDomain);
                }
            } else if (cb instanceof PasswordCallback pc) {

    assertEquals(
        "a&quot;b&lt;c&gt;d&amp;e&quot;f&apos;", xmlAttributeEscaper.escape("a\"b<c>d&e\"f'"));
    // Test '\t', '\n' and '\r' are escaped.
    assertEquals("a&#x9;b&#xA;c&#xD;d", xmlAttributeEscaper.escape("a\tb\nc\rd"));
  }

  // Helper to assert common properties of xml escapers.
  static void assertBasicXmlEscaper(
      CharEscaper xmlEscaper, boolean shouldEscapeQuotes, boolean shouldEscapeWhitespaceChars) {

application/x-javascript       js               # Javascript
application/x-latex            latex            # Latex File
application/x-mif              mif              #
application/x-netcdf           nc cdf           #
#application/x-sh               sh               # sh Shell Program
application/x-shar             shar             #
application/x-shockwave-flash  swf              # Macromedia Shockwave file

      Headers
        .Builder()
        .add("A", "a")
        .addAll(sourceHeaders)
        .add("C", "c")
        .build()
    assertThat(headers.toString()).isEqualTo("A: a\nA: aa\na: aa\nB: bb\nC: c\n")
  }

  @Test fun nameIndexesAreStrict() {
    val headers = headersOf("a", "b", "c", "d")
    assertFailsWith<IndexOutOfBoundsException> {
      headers.name(-1)
    }

application/x-javascript       js               # Javascript
application/x-latex            latex            # Latex File
application/x-mif              mif              #
application/x-netcdf           nc cdf           #
#application/x-sh               sh               # sh Shell Program
application/x-shar             shar             #
application/x-shockwave-flash  swf              # Macromedia Shockwave file