assertThat(ArrayUtil.addAll(emptyArray, array), is(sameInstance(array)));
        assertThat(ArrayUtil.addAll(array, emptyArray), is(sameInstance(array)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testAdd_int() throws Exception {
        final int[] array = new int[] { 1 };
        final int[] newArray = ArrayUtil.add(array, 2);
        assertThat(newArray.length, is(2));

package com.google.common.hash;

import com.google.common.collect.ImmutableList;
import com.google.common.hash.HashTestUtils.RandomHasherAction;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;

/** Tests for AbstractNonStreamingHashFunction. */
public class AbstractNonStreamingHashFunctionTest extends TestCase {
  /**

import com.google.common.testing.GcFinalization;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Arrays;
import java.util.Collections;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link FinalizableReferenceQueue}.
 *
 * @author Bob Lee
 */

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.spnego;


import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Enumeration;

import org.bouncycastle.asn1.*;

import jcifs.util.Hexdump;


/**
 * SPNEGO initial token
 */
@SuppressWarnings ( "javadoc" )

 * under the License.
 */
package org.apache.maven.api.cli;

import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Immutable;

            // Collections and Maps
            .add("field11", Arrays.asList("Hello"))
            .add("field12", new ArrayList<>())
            .add("field13", new HashMap<>())
            // Optionals
            .add("field26", Optional.of("World"))
            .add("field27", Optional.absent())
            // Arrays
            .add("field31", new Object[] {"!!!"})
            .add("field32", new boolean[0])

 */

package com.google.common.collect.testing;

import static com.google.common.collect.testing.Helpers.mapEntry;

import com.google.common.annotations.GwtCompatible;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A container class for the five sample elements we need for testing.

import java.io.ObjectInputStream;
import java.io.Serializable;
import java.nio.ByteBuffer;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;

/**
 * {@link HashFunction} adapter for {@link MessageDigest} instances.
 *
 * @author Kevin Bourrillion
 * @author Dimitris Andreou
 */
@Immutable
@ElementTypesAreNonnullByDefault

   *
   * A call to of() with a parameter that is not a plain Object[] (here,
   * Interface[]) creates a RegularImmutableSortedSet backed by an array of that
   * type. Later, RegularImmutableSortedSet.toArray() calls System.arraycopy()
   * to copy from that array to the destination array. This would be fine, but
   * GWT has a bug: It refuses to copy from an E[] to an Object[] when E is an
   * interface type.
   */

  }

  /**
   * Reads all bytes from a file into a byte array.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link java.nio.file.Files#readAllBytes}.
   *
   * @param file the file to read from
   * @return a byte array containing all the bytes from file
   * @throws IllegalArgumentException if the file is bigger than the largest possible byte array
   *     (2^31 - 1)
   * @throws IOException if an I/O error occurs