}

// Verify if request has valid AWS Signature Version '2'.
func isReqAuthenticatedV2(r *http.Request) (s3Error APIErrorCode) {
	if isRequestSignatureV2(r) {
		return doesSignV2Match(r)
	}
	return doesPresignV2SignatureMatch(r)
}

func reqSignatureV4Verify(r *http.Request, region string, stype serviceType) (s3Error APIErrorCode) {
	sha256sum := getContentSha256Cksum(r, stype)
	switch {
	case isRequestSignatureV4(r):

}

func (target *AMQPTarget) channel() (*amqp091.Channel, chan amqp091.Confirmation, error) {
	var err error
	var conn *amqp091.Connection
	var ch *amqp091.Channel

	isAMQPClosedErr := func(err error) bool {
		if err == amqp091.ErrClosed {
			return true
		}

		if nerr, ok := err.(*net.OpError); ok {
			return (nerr.Err.Error() == "use of closed network connection")
		}

		return false
	}

            assertTrue(response instanceof jcifs.internal.smb2.ServerMessageBlock2Response);

            // Test some inherited methods
            assertFalse(response.isReceived());
            assertFalse(response.isError());
            assertNull(response.getExpiration());
        }

        @Test
        @DisplayName("Should handle configuration correctly")
        void testConfigurationHandling() {

        @Override
        public boolean isVerifyFailed() {
            return false;
        }

        @Override
        public boolean isError() {
            return errorCode != 0;
        }

        @Override
        public void error() {
            this.errorCode = -1;
        }

        @Override
        public Long getExpiration() {
            return expiration;
        }

      raising an error and quitting.

  Returns:
    [String] The value of var_name after querying for input.

  Raises:
    UserInputError: if a query has been attempted n_ask_attempts times without
      success, assume that the user has made a scripting error, and will
      continue to provide invalid input. Raise the error to avoid infinitely
      looping.
  """

                assertEquals(0, bytesWritten, "Failed at iteration " + i);
            }
        }
    }

    @Nested
    @DisplayName("Error handling tests")
    class ErrorHandlingTests {

        @Test
        @DisplayName("Should provide clear error message for invalid structure size")
        void testClearErrorMessage() {
            // Given
            byte[] buffer = new byte[10];

                        } catch (final SmbException e) {
                            final Smb2IoctlResponse response = copy.getResponse();
                            if (!retry && response.isReceived() && !response.isError()
                                    && response.getStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER) {
                                retry = true;

    peer.acceptFrame() // PING
    peer.sendFrame().headers(false, 3, headerEntries("a", "android"))
    peer.sendFrame().data(true, 3, Buffer().writeUtf8("robot"), 5)
    peer.sendFrame().rstStream(3, ErrorCode.NO_ERROR)
    peer.sendFrame().ping(true, Http2Connection.AWAIT_PING, 0) // PONG
    peer.play()

    // Play it back.
    val connection = connect(peer)
    val stream = connection.newStream(headerEntries(), false)

        public boolean isVerifyFailed() {
            return this.verifyFailed;
        }

        @Override
        public boolean isError() {
            return this.error;
        }

        @Override
        public void error() {
            this.error = true;
        }

        // Setter methods for testing
        public void setGrantedCredits(int grantedCredits) {

pkg math/big, method (*Float) MarshalText() ([]uint8, error)
pkg math/big, method (*Float) UnmarshalText([]uint8) error
pkg math/big, method (*Int) Append([]uint8, int) []uint8
pkg math/big, method (*Int) Text(int) string
pkg math/rand, func Read([]uint8) (int, error)
pkg math/rand, method (*Rand) Read([]uint8) (int, error)
pkg net, type DNSError struct, IsTemporary bool
pkg net, type Dialer struct, Cancel <-chan struct