byte[] b = new byte[] { 10, 11, 12 };
        spyTarget.send(b, 1, 2);
        verify(out).writeDirect(b, 1, 2, 1);
    }

    @Test
    @DisplayName("sendrecv with null buffers throws relevant exceptions")
    void testSendRecvInvalidInputs() throws CIFSException {
        // Null out buffer for SMB2 path -> expect NPE when building request
        when(pipe.ensureTreeConnected()).thenReturn(tree);

import org.apache.maven.api.cli.extensions.CoreExtension;

import static java.util.Objects.requireNonNull;

/**
 * Represents the list of core extensions configured at one source. The list is validated (are GA unique), but no
 * other logic than that is applied.
 *
 * @since 4.0.0
 * @param source The source file of core extensions, is never {@code null}.

					</archive>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.felix</groupId>
				<artifactId>maven-bundle-plugin</artifactId>
				<version>6.0.0</version>
				<extensions>true</extensions>

				<configuration>
					<instructions>
						<Bundle-Version>${osgi.version}</Bundle-Version>
						<Bundle-License>LGPL</Bundle-License>
						<Bundle-Vendor>CodeLibs</Bundle-Vendor>

                }, StringIndexOutOfBoundsException.class));
    }

    @ParameterizedTest(name = "{0}")
    @MethodSource("invalidBuffers")
    @DisplayName("Invalid buffers throw appropriate exceptions")
    void invalidInputsThrow(String name, Object bufferSupplierOrBytes, Class<? extends Throwable> expected) {
        // Arrange
        byte[] buf;
        if (bufferSupplierOrBytes instanceof byte[]) {

maven.user.toolchains         = ${maven.user.conf}/toolchains.xml

#
# Extensions
#
maven.installation.extensions = ${maven.installation.conf}/extensions.xml
maven.project.extensions      = ${maven.project.conf}/extensions.xml
maven.user.extensions         = ${maven.user.conf}/extensions.xml

#
# Maven central repository URL.
#

        val extensions = socket.source.readUtf8LineStrict().trim()
        if (bytesRemainingInChunk < 0L || extensions.isNotEmpty() && !extensions.startsWith(";")) {
          throw ProtocolException(
            "expected chunk size and optional extensions" +
              " but was \"$bytesRemainingInChunk$extensions\"",
          )
        }
      } catch (e: NumberFormatException) {

      // the operation would be a no-op, so exceptions are allowed but not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceEntry_unsupportedAbsentKey() {
    try {
      getMap().replace(k3(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {
      // the operation would be a no-op, so exceptions are allowed but not required
    }

      // the operation would be a no-op, so exceptions are allowed but not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceEntry_unsupportedAbsentKey() {
    try {
      getMap().replace(k3(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {
      // the operation would be a no-op, so exceptions are allowed but not required
    }

        verify(smbTree).unwrap(CustomSmbTree.class);
    }

    /**
     * Test for unwrap() method throwing exception.
     * Verifies that unwrap can throw exceptions when appropriate.
     */
    @Test
    void testUnwrap_throwsException() {
        when(smbTree.unwrap(any())).thenThrow(new ClassCastException("Cannot unwrap to specified type"));

    public static final String MAVEN_USER_EXTENSIONS = "maven.user.extensions";

    /**
     * Maven project extensions.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${maven.project.conf}/extensions.xml")
    public static final String MAVEN_PROJECT_EXTENSIONS = "maven.project.extensions";

    /**
     * Maven installation toolchains.
     *
     * @since 4.0.0
     */