import java.util.Collection;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link LoadingCache} tests that deal with empty caches.
 *
 * @author mike nonemacher
 */

@NullUnmarked
public class EmptyCachesTest extends TestCase {

  public void testEmpty() {

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.testing.NullPointerTester;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

/** Unit test for {@link AtomicDoubleArray}. */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class AtomicDoubleArrayTest extends JSR166TestCase {

  private static final double[] VALUES = {
    Double.NEGATIVE_INFINITY,

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link ForwardingMap}.
 *
 * @author Hayward Chan
 * @author Louis Wasserman
 */
@NullUnmarked
public class ForwardingMapTest extends TestCase {
  static class StandardImplForwardingMap<K, V> extends ForwardingMap<K, V> {

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests {@link SequentialExecutor}.
 *
 * @author JJ Furman
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class SequentialExecutorTest extends TestCase {

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

/**
 * JUnit 5 tests for {@link TestLocking}.
 * Tests command line argument parsing and basic field initialization.
 * Does not require a real SMB server - focuses on application logic.
 */
@ExtendWith(MockitoExtension.class)
class TestLockingTest {

     * @return this Ansi instance
     * @since 2.2
     */
    public Ansi apply(Consumer fun) {
        fun.apply(this);
        return this;
    }

    /**
     * Uses the {@link org.jline.jansi.AnsiRenderer}
     * to generate the ANSI escape sequences for the supplied text.
     *
     * @param text text
     * @return this
     * @since 2.2
     */

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

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

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Unit tests for the {@link UpgradeResult} class.
 * Tests result creation, merging, and status determination.
 */
@DisplayName("UpgradeResult")
class UpgradeResultTest {

    @Nested
    @DisplayName("Result Creation")

import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link ForwardingWrapperTester}. Live in a different package to detect reflection
 * access issues, if any.
 *
 * @author Ben Yu
 */
public class ForwardingWrapperTesterTest extends TestCase {

import org.jspecify.annotations.Nullable;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Unit test for {@link FinalizableReferenceQueue}.
 *
 * @author Bob Lee
 */
@J2ktIncompatible
@GwtIncompatible
@RunWith(JUnit4.class)
@NullUnmarked
public class FinalizableReferenceQueueTest {