assertFalse(result);
    }

    /**
     * Test thread safety of enum
     */
    public void test_threadSafety() throws Exception {
        final int threadCount = 100;
        final int iterationsPerThread = 1000;
        final Set<Exception> exceptions = new HashSet<>();

        Thread[] threads = new Thread[threadCount];
        for (int i = 0; i < threadCount; i++) {

    "EqualsLong", // b/273939864
    "EqualsDouble", // b/273939864
    "EqualsFloat", // b/273939864
    "YodaCondition", // test of reversed call
  })
  public void testEqual() throws Exception {
    assertTrue(Objects.equal(1, 1));
    assertTrue(Objects.equal(null, null));

    // test distinct string objects
    String s1 = "foobar";
    String s2 = new String(s1);
    assertTrue(Objects.equal(s1, s2));

  public void testNextDown() throws Exception {
    Method jdkNextDown = getJdkNextDown();
    for (double d : FINITE_DOUBLE_CANDIDATES) {
      assertEquals(jdkNextDown.invoke(null, d), DoubleUtils.nextDown(d));
    }
  }

  private static Method getJdkNextDown() throws Exception {
    try {
      return Math.class.getMethod("nextDown", double.class);

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

import static org.codelibs.core.collection.ArrayUtil.asArray;

import java.lang.reflect.Method;

import org.codelibs.core.lang.MethodUtil;

/**
 * Exception thrown when a {@link Method} cannot be found.
 *
 * @author higa
 *
 */

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link InputStream}.
 *
 * @author higa
 */
public abstract class InputStreamUtil {

    /**
     * Do not instantiate.
     */

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.codelibs.core.exception.ClassNotFoundRuntimeException;
import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility for serializing objects.
 *
 * @author higa
 */
public abstract class SerializeUtil {

    /**
     * Do not instantiate.
     */

    doTestNull(forPredicate(Predicates.equalTo('c')));
  }

  private void doTestEmpty(CharMatcher matcher) throws Exception {
    reallyTestEmpty(matcher);
    reallyTestEmpty(matcher.negate());
    reallyTestEmpty(matcher.precomputed());
  }

  private void reallyTestEmpty(CharMatcher matcher) throws Exception {
    assertEquals(-1, matcher.indexIn(""));
    assertEquals(-1, matcher.indexIn("", 0));
    try {

            return null;
        });
        try {
            pathMappingService.store(entity);
            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

        body.crudMode = CrudMode.CREATE;
        final RelatedContent relatedContent = getRelatedContent(body).map(entity -> {
            try {
                relatedContentService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }

        Key key = new KerberosKey(null, new byte[16], 99, 0);
        byte[] data = new byte[16];
        Exception exception = assertThrows(GeneralSecurityException.class, () -> KerberosEncData.decrypt(data, key, 99));
        assertEquals("Unsupported encryption type 99", exception.getMessage());
    }

    /**
     * Test getters with null values.
     *
     * @throws IOException if an I/O error occurs