import java.util.Locale;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Hashing}.
 *
 * <p>TODO(b/33919189): Migrate repeated testing methods to {@link HashTestUtils} and tweak unit
 * tests to reference them from there.
 *
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@NullUnmarked

# Guava Testlib: Google Testing Libraries for Java

Guava testlib is a set of Java classes for more convenient
unit testing.

## Adding Guava Testlib to your build

Guava testlib's Maven group ID is `com.google.guava` and its artifact ID is `guava-testlib`.

To add a dependency on Guava testlib using Maven, use the following:

```xml
<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava-testlib</artifactId>

import java.io.Serializable;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**
 * Unit test for {@link HashMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class HashMultisetTest extends TestCase {

  @J2ktIncompatible

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

/**
 * Unit tests for {@link ExecutionList}.
 *
 * @author Nishant Thakkar
 * @author Sven Mawson
 */
@NullUnmarked
public class ExecutionListTest extends TestCase {

  private final ExecutionList list = new ExecutionList();

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

/**
 * Unit tests for NetworkInterfaceInfo
 */
@ExtendWith(MockitoExtension.class)
class NetworkInterfaceInfoTest {

    private InetAddress testAddress;
    private InetAddress loopbackAddress;

    @BeforeEach

import java.net.InetAddress;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import jcifs.internal.witness.WitnessRegistration.WitnessRegistrationState;

/**
 * Unit tests for WitnessRegistration class.
 */
public class WitnessRegistrationTest {

    private WitnessRegistration registration;
    private InetAddress serverAddress;

    @BeforeEach

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

import org.codelibs.fess.app.web.RootAction;
import org.codelibs.fess.unit.UnitFessTestCase;

public class UserRoleLoginExceptionTest extends UnitFessTestCase {

    public void test_constructor() {
        // Test constructor with RootAction class

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.validation;

import org.codelibs.fess.unit.UnitFessTestCase;

import jakarta.validation.ConstraintValidatorContext;

public class CronExpressionValidatorTest extends UnitFessTestCase {

    public CronExpressionValidator validator;

    @Override

import com.google.common.testing.GcFinalization;
import com.google.common.testing.NullPointerTester;
import java.lang.ref.WeakReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Interners}.
 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class InternersTest extends TestCase {

  public void testStrong_simplistic() {
    String canonical = "a";

import org.jspecify.annotations.NullUnmarked;

/**
 * {@link TestCase} for {@link HostSpecifier}. This is a relatively cursory test, as HostSpecifier
 * is a thin wrapper around {@link InetAddresses} and {@link InternetDomainName}; the unit tests for
 * those classes explore numerous corner cases. The intent here is to confirm that everything is
 * wired up properly.
 *
 * @author Craig Berry
 */
@NullUnmarked