//
            // ---
            //
            // If the CAS fails, the provided callable already started running (or it is about
            // to). Our contract promises:
            //
            // 1. not to execute a new callable until the old one has returned
            //
            // If we were to cancel taskFuture, that would let the next task start while the old

      // assumes that each set is a singleton or less (as is done for the samples)
      for (Object elem : elements) {
        @SuppressWarnings("unchecked") // safe by generator contract
        Entry<String, Collection<Integer>> entry = (Entry<String, Collection<Integer>>) elem;
        Integer value = getOnlyElement(entry.getValue());
        builder.put(entry.getKey(), value);
      }

/**
 * Unit tests for {@link SmbResourceLocator}. Since the interface has no
 * concrete implementation in this repository, a lightweight implementation
 * is provided solely for the purpose of exercising the contract.
 */
@ExtendWith(MockitoExtension.class)
public class SmbResourceLocatorTest {

    /**
     * A very small concrete implementation used only by the tests. It parses

 * natural ordering of the elements, if there is no comparator) to test element equality. As a
 * result, if the comparator is not consistent with equals, some of the standard implementations may
 * violate the {@code Set} contract.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Mike Bostock

  @Throws(IOException::class)
  abstract fun writeTo(sink: BufferedSink)

  /**
   * A duplex request body is special in how it is **transmitted** on the network and
   * in the **API contract** between OkHttp and the application.
   *
   * This method returns false unless it is overridden by a subclass.
   *
   * ### Duplex Transmission
   *

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Comprehensive test suite for jcifs.SmbResource interface.
 * Tests SMB resource interface contract and functionality for CIFS/SMB protocol compliance.
 */
@ExtendWith(MockitoExtension.class)
@DisplayName("SmbResource Interface Tests")
class SmbResourceTest {

    @Mock
    private SmbResource mockResource;

@GwtIncompatible
@J2ObjCIncompatible
abstract class TempFileCreator {
  static final TempFileCreator INSTANCE = pickSecureCreator();

  /**
   * @throws IllegalStateException if the directory could not be created (to implement the contract
   *     of {@link Files#createTempDir()}, such as if the system does not support creating temporary
   *     directories securely
   */
  abstract File createTempDir();

import jcifs.internal.smb2.ioctl.Smb2IoctlRequest;
import jcifs.internal.smb2.lock.Smb2Lock;
import jcifs.internal.smb2.lock.Smb2LockRequest;

/**
 * Test class for RequestWithFileId interface.
 * Tests the interface contract and various implementations.
 */
@ExtendWith(MockitoExtension.class)
@DisplayName("RequestWithFileId Interface Tests")
class RequestWithFileIdTest {

    @Mock
    private Configuration mockConfig;

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

/**
 * Test class for SMBSigningDigest interface
 * Tests the contract and behavior of signing and verification methods
 */
class SMBSigningDigestTest {

    @Mock
    private SMBSigningDigest signingDigest;

    @Mock
    private CommonServerMessageBlock request;

    @Mock

    void testSetURLStreamHandlerFactory_ThrowsIllegalStateExceptionOnSecondAttempt() {
        // This test ensures that attempting to set the URLStreamHandlerFactory more than once
        // throws an IllegalStateException as per the contract.
        URLStreamHandlerFactory mockFactory1 = mock(URLStreamHandlerFactory.class);
        URLStreamHandlerFactory mockFactory2 = mock(URLStreamHandlerFactory.class);