import java.util.Map.Entry;
import java.util.Set;
import javax.annotation.CheckForNull;
import junit.framework.Assert;
import junit.framework.AssertionFailedError;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tester that runs automated sanity tests for any given class. A typical use case is to test static
 * factory classes like:
 *
 * <pre>
 * interface Book {...}
 * public class Books {

import java.io.OutputStream;
import java.io.Reader;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A readable source of bytes, such as a file. Unlike an {@link InputStream}, a {@code ByteSource}
 * is not an open, stateful stream for input that can be read and closed. Instead, it is an

import java.util.Comparator;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Multimap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *

import java.util.Spliterator;
import java.util.Spliterators;
import java.util.function.Consumer;
import java.util.stream.Collector;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link NavigableSet} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Factory and utility methods for {@link java.util.concurrent.Executor}, {@link ExecutorService},
 * and {@link java.util.concurrent.ThreadFactory}.
 *
 * @author Eric Fellheimer

import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.locks.LockSupport;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@link AbstractFuture}.
 *
 * @author Brian Stoler
 */
public class AbstractFutureTest extends TestCase {
  public void testSuccess() throws ExecutionException, InterruptedException {

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Provides utility methods for working with {@linkplain File files}.
 *
 * <p>{@link java.nio.file.Path} users will find similar utilities in {@link MoreFiles} and the

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link Floats}.
 *
 * @author Kevin Bourrillion
 */
@ElementTypesAreNonnullByDefault
@GwtCompatible(emulated = true)
public class FloatsTest extends TestCase {

import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link Ints}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault

import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.regex.Pattern;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link Doubles}.
 *
 * @author Kevin Bourrillion
 */
@ElementTypesAreNonnullByDefault
@GwtCompatible(emulated = true)
public class DoublesTest extends TestCase {