import java.util.AbstractSet;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

/**
 * {@link Set} that is case-insensitive.
 *
 * @author higa
 */
public class CaseInsensitiveSet extends AbstractSet<String> implements Set<String>, Serializable {

    static final long serialVersionUID = 0L;

import org.codelibs.core.exception.NullArgumentException;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

/**
 * @author higa
 *
 */
public class CalendarConversionUtilTest {

    /**
     * @see org.junit.rules.ExpectedException
     */
    @Rule
    public ExpectedException exception = ExpectedException.none();

    /**

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

import java.sql.SQLException;

import org.codelibs.core.message.MessageFormatter;

/**
 * Exception that wraps {@link SQLException}.
 *
 * @author higa
 * @author manhole
 */
public class SQLRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 2533513110369526191L;

    /**
     * Creates a {@link SQLRuntimeException}.

import org.codelibs.core.exception.ParserConfigurationRuntimeException;
import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link DocumentBuilderFactory}.
 *
 * @author higa
 */
public abstract class DocumentBuilderFactoryUtil {

    private static final Logger logger = Logger.getLogger(DocumentBuilderFactoryUtil.class);

    /**
     * Do not instantiate.
     */

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

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class LongConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToLong() throws Exception {

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

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class SerializeUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testSerialize() throws Exception {
        final String[] a = new String[] { "1", "2" };

 */
package org.codelibs.core.collection;

import java.util.Iterator;

import org.codelibs.core.exception.ClUnsupportedOperationException;

/**
 * An empty {@link Iterator}.
 *
 * @author higa
 * @param <T> the element type
 */
public class EmptyIterator<T> implements Iterator<T> {

    /**
     * Creates an {@link EmptyIterator}.
     */
    public EmptyIterator() {
    }

    @Override

 */
package org.codelibs.core.exception;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import org.junit.Test;

/**
 * @author higa
 */
public class ConverterRuntimeExceptionTest {

    /**
     * @throws Exception
     */
    @Test
    public void test() throws Exception {

import java.util.Map;

import org.codelibs.core.beans.BeanDesc;
import org.codelibs.core.beans.MethodDesc;
import org.codelibs.core.beans.factory.BeanDescFactory;

/**
 * Utility class for annotations.
 *
 * @author higa
 */
public abstract class AnnotationUtil {

    /**
     * Do not instantiate.
     */
    protected AnnotationUtil() {
    }

    /**

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

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class BooleanConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToBoolean() throws Exception {