import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link ForwardingConcurrentMap}.
 *
 * @author Jared Levy
 */
@NullUnmarked
public class ForwardingConcurrentMapTest extends TestCase {

  private static class TestMap extends ForwardingConcurrentMap<String, Integer> {

import com.google.common.testing.NullPointerTester;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Primitives}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullUnmarked
public class PrimitivesTest extends TestCase {
  public void testIsWrapperType() {
    assertThat(Primitives.isWrapperType(Void.class)).isTrue();

	return &MockConnMeta{username: username}
}

func TestSFTPAuthentication(t *testing.T) {
	for i, testCase := range iamTestSuites {
		t.Run(
			fmt.Sprintf("Test: %d, ServerType: %s", i+1, testCase.ServerTypeDescription),
			func(t *testing.T) {
				c := &check{t, testCase.serverType}
				suite := testCase

				suite.SetUpSuite(c)

				suite.SFTPServiceAccountLogin(c)
				suite.SFTPInvalidServiceAccountPassword(c)

package com.google.common.util.concurrent;

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

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
@NullUnmarked
public class RunnablesTest extends TestCase {
  public void testDoNothingRunnableIsSingleton() {
    assertSame(Runnables.doNothing(), Runnables.doNothing());

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

/**
 * Unit test for {@link AbstractLoadingCache}.
 *
 * @author Charles Fry
 */
@NullUnmarked
public class AbstractLoadingCacheTest extends TestCase {

  public void testGetUnchecked_checked() {
    Exception cause = new Exception();

 */

package com.google.common.escape;

import static com.google.common.truth.Truth.assertThat;

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@NullUnmarked
public class CharEscaperBuilderTest extends TestCase {

  public void testAddEscapes() {
    char[] cs = {'a', 'b', 'c'};
    CharEscaperBuilder builder = new CharEscaperBuilder().addEscapes(cs, "Z");

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 ImmutableClassToInstanceMap}.
 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class ImmutableClassToInstanceMapTest extends TestCase {
  @AndroidIncompatible // test-suite builders

import java.util.Iterator;
import java.util.LinkedList;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Synchronized#deque} and {@link Queues#synchronizedDeque}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SynchronizedDequeTest extends TestCase {

  protected Deque<String> create() {

import java.util.concurrent.ExecutionException;
import java.util.concurrent.locks.LockSupport;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

@NullUnmarked
public final class InterruptibleTaskTest extends TestCase {

  // Regression test for a deadlock where a task could be stuck busy waiting for the task to
  // transition to DONE

import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test cases for {@link SettableFuture}.
 *
 * @author Sven Mawson
 */
@NullUnmarked
public class SettableFutureTest extends TestCase {

  private SettableFuture<String> future;
  private ListenableFutureTester tester;

  @Override