import java.util.ConcurrentModificationException;
import java.util.Iterator;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code remove} operations on a collection. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import java.lang.reflect.Proxy;
import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link AbstractInvocationHandler}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class AbstractInvocationHandlerTest extends TestCase {

  private static final ImmutableList<String> LIST1 = ImmutableList.of("one", "two");

import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.internal.smb1.ServerMessageBlock;

/**
 * Unit tests for {@link SmbComNTCreateAndX}.  The tests exercise the
 * constructor’s flag handling, response creation and simple accessors.
 *
 * <p>All tests run in the same package as the class under test so that

import org.junit.jupiter.params.provider.NullSource;
import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for {@link RequestParam} covering enum mechanics and edge cases.
 */
@ExtendWith(MockitoExtension.class)
public class RequestParamTest {

    // Happy path: values() returns all constants in declaration order
    @Test

import com.google.common.testing.FakeTicker;
import java.time.Duration;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Stopwatch}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullUnmarked
public class StopwatchTest extends TestCase {

  private final FakeTicker ticker = new FakeTicker();

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

/**
 * Tests for {@link UnicodeEscaper}.
 *
 * @author David Beaumont
 */
@GwtCompatible
@NullUnmarked
public class UnicodeEscaperTest extends TestCase {

  private static final String SMALLEST_SURROGATE =

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.collect.ImmutableSet;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link SipHashFunction}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SipHashFunctionTest extends TestCase {

  // From https://131002.net/siphash/siphash24.c
  // k = 00 01 02 ...

import java.util.List;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code addAll(int, Collection)} operations on a list. Can't be
 * invoked directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

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

/**
 * Tests for {@link UnicodeEscaper}.
 *
 * @author David Beaumont
 */
@GwtCompatible
@NullUnmarked
public class UnicodeEscaperTest extends TestCase {

  private static final String SMALLEST_SURROGATE =

import java.util.concurrent.Executor;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Test for {@link FutureCallback}.
 *
 * @author Anthony Zana
 */
@GwtCompatible
@NullUnmarked
public class FutureCallbackTest extends TestCase {
  public void testSameThreadSuccess() {