import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

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

/**
 * Tests for {@link LinearTransformation}.
 *
 * @author Pete Gillin
 */
@NullUnmarked
public class LinearTransformationTest extends TestCase {

import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.nio.CharBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link LineBuffer} and {@link LineReader}.
 *
 * @author Chris Nokleberg
 */
@AndroidIncompatible // occasionally very slow
@NullUnmarked

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

/**
 * Basher test for {@link ConcurrentHashMultiset}: start a bunch of threads, have each of them do
 * operations at random. Each thread keeps track of the per-key deltas that it's directly

import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link FileBackedOutputStream}.
 *
 * <p>For a tiny bit more testing, see {@link FileBackedOutputStreamAndroidIncompatibleTest}.
 *
 * @author Chris Nokleberg
 */

import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.nio.CharBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link LineBuffer} and {@link LineReader}.
 *
 * @author Chris Nokleberg
 */
@AndroidIncompatible // occasionally very slow
@NullUnmarked

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

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

/**
 * Tests for {@link LinearTransformation}.
 *
 * @author Pete Gillin
 */
@NullUnmarked
public class LinearTransformationTest extends TestCase {

import static java.util.concurrent.TimeUnit.MILLISECONDS;

import com.google.common.cache.TestingCacheLoaders.IncrementingLoader;
import com.google.common.testing.FakeTicker;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests relating to automatic cache refreshing.
 *
 * @author Charles Fry
 */
@NullUnmarked
public class CacheRefreshTest extends TestCase {
  public void testAutoRefresh() {

import java.util.Collection;
import java.util.LinkedList;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link ForwardingCollection}.
 *
 * @author Robert Konigsberg
 * @author Hayward Chan
 * @author Louis Wasserman
 */
@NullUnmarked

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.util.ArrayList;
import java.util.LinkedList;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests the speed of iteration of different iteration methods for collections.
 *
 * @author David Richter
 */
@NullUnmarked
public class IteratorBenchmark {

 * limitations under the License.
 */

package com.google.common.graph;

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Map;
import org.jspecify.annotations.Nullable;

/**
 * A {@link MapIteratorCache} that adds additional caching. In addition to the caching provided by
 * {@link MapIteratorCache}, this structure caches values for the two most recently retrieved keys.
 *