import static org.codelibs.core.lang.GenericsUtil.getActualClass;
import static org.codelibs.core.lang.GenericsUtil.getGenericParameters;
import static org.codelibs.core.lang.GenericsUtil.getTypeVariableMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentArrayIndex;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.Constructor;

import static org.codelibs.core.lang.GenericsUtil.getActualClass;
import static org.codelibs.core.lang.GenericsUtil.getGenericParameters;
import static org.codelibs.core.lang.GenericsUtil.getTypeVariableMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentArrayIndex;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

 */
public class GenericsUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void testClass() throws Exception {
        final Map<TypeVariable<?>, Type> map = GenericsUtil.getTypeVariableMap(Foo.class);
        assertThat(map, is(notNullValue()));
        assertThat(map.isEmpty(), is(false));
        assertThat(map.get(Foo.class.getTypeParameters()[0]), is(sameClass(Object.class)));
    }

    /**

     * @return a {@link Map} where the keys are the type variables and the values are the type arguments
     */
    public static Map<TypeVariable<?>, Type> getTypeVariableMap(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

        final Map<TypeVariable<?>, Type> map = CollectionsUtil.newLinkedHashMap();