src.ccc = "ccc";
        src.eee = "1";
        final DestBean dest = new DestBean();
        BeanUtil.copyBeanToBean(src, dest);
        assertThat(dest.bbb, is(nullValue()));
        assertThat(dest.ccc, is("ccc"));
        assertThat(dest.ddd, is(nullValue()));
        assertThat(dest.eee, is(1));
    }

    /**
     * @throws Exception
     */
    @Test

        assertThat(ClassUtil.concatName("", "bbb"), is("bbb"));
        assertThat(ClassUtil.concatName(null, null), is(nullValue()));
        assertThat(ClassUtil.concatName(null, ""), is(nullValue()));
        assertThat(ClassUtil.concatName("", null), is(nullValue()));
        assertThat(ClassUtil.concatName("", ""), is(nullValue()));
    }

    /**
     *
     */
    @Test
    public void testGetResourcePath() {

        assertThat(args.length, is(2));
        assertThat(args[0].getRawClass(), is(sameClass(String.class)));
        assertThat(args[0].getArguments(), is(nullValue()));
        assertThat(args[1].getRawClass(), is(sameClass(Integer.class)));
        assertThat(args[1].getArguments(), is(nullValue()));
    }

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

     */
    @Test
    public void testToDate_Null() throws Exception {
        assertThat(toDate(null), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_EmptyString() throws Exception {
        assertThat(toDate(""), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test

    assertThrows(NullPointerException.class, () -> ImmutableClassToInstanceMap.copyOf(nullKey));

    Map<? extends Class<? extends Number>, Number> nullValue = singletonMap(Number.class, null);
    assertThrows(NullPointerException.class, () -> ImmutableClassToInstanceMap.copyOf(nullValue));
  }

  public void testCopyOf_imap_empty() {
    Map<Class<?>, Object> in = emptyMap();

import static org.codelibs.core.TestUtil.sameClass;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.codelibs.core.beans.BeanDesc;

 */
package org.codelibs.core.lang;

import static org.codelibs.core.TestUtil.sameClass;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;

import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;

import org.junit.Test;

/**
 * @author higa
 */

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

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

import java.util.Iterator;

import org.junit.Test;

/**
 * @author taichi
 */
public class LruHashMapTest {

    /**
     * @throws Exception

     */
    @Test
    public void testGet() throws Exception {
        assertThat(map.get("1"), is("test"));
        assertThat(map.get(null), is(nullValue()));
        assertThat(map.get("test3"), is(nullValue()));
        assertThat(map.getAt(0), is(nullValue()));
    }

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

        list.addLast(null);
        list.addLast("1");
        list.addLast("2");
        list.clear();
        assertThat(list.size(), is(0));
        assertThat(list.getFirstEntry(), is(nullValue()));
        assertThat(list.getLastEntry(), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetEntry() throws Exception {
        list.addLast("1");
        list.addLast("2");