assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(Long.class)));

        method = Hoge.class.getMethod("array");
        assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(String[].class)));

        method = Hoge.class.getMethod("list");

        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is(sameClass(Integer.class)));

        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is(sameClass(Number.class)));

        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is(sameClass(Object.class)));

        assertThat(it.hasNext(), is(not(true)));
    }

    /**

     */
    public void testGetKeyTypeOfMap() throws Exception {
        final Field f = ClassUtil.getField(Baz.class, "map");
        assertThat(FieldUtil.getKeyTypeOfMap(f), is(sameClass(String.class)));
        assertThat(FieldUtil.getValueTypeOfMap(f), is(sameClass(Integer.class)));
    }

    /**
     *
     */
    public static class Baz {

        /** */
        @SuppressWarnings("rawtypes")

        assertThat(ClassUtil.getPrimitiveClassIfWrapper(String.class), is(sameClass(String.class)));
        assertThat(ClassUtil.getPrimitiveClassIfWrapper(Byte.class), is(sameClass(byte.class)));
    }

    /**
     *
     */
    @Test
    public void testGetWrapperClass() {
        assertThat(ClassUtil.getWrapperClass(int.class), is(sameClass(Integer.class)));

     * のインスタンスかを検証されてしまうのでこれが必要。
     *
     * @param clazz
     *            期待するクラス
     * @return クラスをチェックする{@link Matcher}
     */
    public static Matcher<Object> sameClass(final Class<?> clazz) {
        return is((Object) clazz);
    }

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
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.notNullValue;
import static org.hamcrest.CoreMatchers.sameInstance;