@Test
    void causeConstructor_setsCause_andDerivesMessageFromCauseToString() {
        // Arrange - use a real cause so message is derived from cause.toString()
        Throwable cause = new IllegalStateException("proto mismatch");
        String expectedMessage = cause.toString();

        // Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException(cause);

        // Assert - cause preserved, message derived from cause

<LocationConstraint xmlns="http://s3.amazonaws.com/doc/2006-03-01/"></LocationConstraint>`),
			errorResponse: APIErrorResponse{},
			shouldPass:    true,
		},
		// Test case - 2.
		// Tests for signature mismatch error.
		{
			bucketName:         bucketName,
			accessKey:          "abcd",
			secretKey:          "abcd",
			expectedRespStatus: http.StatusForbidden,
			locationResponse:   []byte(""),

        when(readResponse.getOffset()).thenReturn(0);

        boolean result = digest.verify(data, 0, data.length, 0, readResponse);
        assertTrue(result); // Signature mismatch expected
    }

    @Test
    @DisplayName("Test verify method with invalid signature")
    void testVerifyWithInvalidSignature() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);

        assertNotNull(WinError.WINERR_MESSAGES, "WINERR_MESSAGES should not be null");
        assertEquals(WinError.WINERR_CODES.length, WinError.WINERR_MESSAGES.length, "Codes/messages length mismatch");

        // Exact content check to guard against accidental reordering or drift
        assertArrayEquals(

        // Compare actual bytes (up to encoded length)
        for (int i = 0; i < encoded1; i++) {
            assertEquals(buffer1[i], buffer2[i], "Mismatch at position " + i);
            assertEquals(buffer2[i], buffer3[i], "Mismatch at position " + i);
        }
    }

    @Test
    @DisplayName("Test with typical Windows pipe name format")
    void testWithTypicalWindowsPipeName() {

			hash.Write(msg)
			sum = hash.Sum(sum[:0])
			msg = append(msg, sum...)
			hash.Reset()
		}
		if !bytes.Equal(sum, checksum) {
			logger.Fatal(errSelfTestFailure, fmt.Sprintf("bitrot: %v selftest checksum mismatch: got %x - want %x", algorithm, sum, checksum))
		}
	}

     * @param limit the maximum length limit
     * @param in the ASN.1 input stream
     * @return coded bytes of the tagged object
     * @throws IOException if reading fails or tag mismatch
     */
    public static byte[] readUnparsedTagged(final int expectTag, final int limit, final ASN1InputStream in) throws IOException {
        final int ftag = in.read();
        final int tag = readTagNumber(in, ftag);

    assertLockHeld()

    val routeUrl = route.address.url

    if (url.port != routeUrl.port) {
      return false // Port mismatch.
    }

    if (url.host == routeUrl.host) {
      return true // Host match. The URL is supported.
    }

    // We have a host mismatch. But if the certificate matches, we're still good.
    return !noCoalescedConnections && handshake != null && certificateSupportHost(url, handshake)

        assertEquals(1, od.getChunksWritten());
        assertEquals(2, od.getChunkBytesWritten());
        assertEquals(3, od.getTotalBytesWritten());

        // Type mismatch should raise SmbException
        assertThrows(SmbException.class, () -> resp.getOutputData(SrvRequestResumeKeyResponse.class));
    }

    @Test
    void decodesPipePeekOnBufferOverflowStatus() throws Exception {

        byte[] actualData = response.getData();
        assertEquals(16, actualData.length);
        for (int i = 0; i < 16; i++) {
            assertEquals(expectedData[i], actualData[i], "Data mismatch at index " + i);
        }
    }