import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link Handler}.
 *
 * Tests the SMB URL handler implementation including:
 * - Default port configuration
 * - URL connection opening
 * - URL creation and parsing
 */
public class HandlerTest {

    assertThat(map.getInstance(int.class)).isNull();
    assertThat(map.getInstance(Integer.class)).isNull();

    assertThat(map.putInstance(int.class, 0)).isNull();
    assertThat(map.putInstance(Integer.class, 1)).isNull();
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(Integer.class));

  public void testFastAddAllMultiset() {
    AtomicInteger addCalls = new AtomicInteger();
    Multiset<String> multiset =
        new NoRemoveMultiset<String>() {
          @Override
          public int add(String element, int occurrences) {
            addCalls.incrementAndGet();
            return super.add(element, occurrences);
          }
        };
    ImmutableMultiset<String> adds =

          }

          @Override
          public String get() {
            return "foo"; // BAD!!
          }

          @Override
          public String get(long time, TimeUnit unit) {
            return "foo"; // BAD!!
          }

          @Override
          public void addListener(Runnable runnable, Executor executor) {
            executor.execute(runnable);
          }

           */
        }
        return cancelled;
      }

      @Override
      public long getDelay(TimeUnit unit) {
        return scheduledDelegate.getDelay(unit);
      }

      @Override
      public int compareTo(Delayed other) {
        return scheduledDelegate.compareTo(other);
      }
    }

    @GwtIncompatible // TODO

  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public int drainTo(Collection<? super E> c, int maxElements) {
    if (c == null) throw new NullPointerException();
    if (c == this) throw new IllegalArgumentException();
    if (maxElements <= 0) return 0;
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      int n = 0;
      E e;
      while (n < maxElements && (e = q.poll()) != null) {

        byte[] buf = new byte[256];
        int len = invokeProtectedInt(obj, "writeParameterWordsWireFormat", buf, 0);

        // Expected size: 2 (sendBuffer) + 2 (mpxCount) + 2 (vcNumber) + 4 (sessionKey) + 2 (blob length) + 4 (reserved) + 4 (capabilities)
        int expected = 2 + 2 + 2 + 4 + 2 + 4 + 4;
        assertEquals(expected, len);

        int off = 0;
        assertEquals(65535, SMBUtil.readInt2(buf, off));

  }

  @GwtIncompatible // concurrency

  public void testConcurrentAutoIncrementStep() throws Exception {
    int incrementByNanos = 3;
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(incrementByNanos, NANOSECONDS);

    int numberOfThreads = 64;
    runConcurrentTest(
        numberOfThreads,
        new Callable<@Nullable Void>() {
          @Override

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Ascii}.
 *
 * @author Craig Berry
 */
@GwtCompatible
@NullUnmarked
public class AsciiTest extends TestCase {

  /**

  @Override
  public int drainTo(Collection<? super E> c, int maxElements) {
    if (c == null) throw new NullPointerException();
    if (c == this) throw new IllegalArgumentException();
    if (maxElements <= 0) return 0;
    E[] items = this.items;
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      int i = takeIndex;
      int n = 0;