/*
* Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.marshalling.tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.util.List;
import org.jboss.errai.codegen.meta.MetaClass;
import org.jboss.errai.codegen.meta.MetaClassFactory;
import org.jboss.errai.codegen.meta.impl.java.JavaReflectionClass;
import org.jboss.errai.marshalling.rebind.util.MarshallingGenUtil;
import org.junit.Test;
public class MarshallingGenUtilTest {
@Test
public void testGetConcreteElementType() throws Exception {
class Container {
@SuppressWarnings("unused")
List<String> list;
}
MetaClass listType = MetaClassFactory.get(Container.class).getDeclaredField("list").getType();
assertEquals("This test is supposed to use the Java Reflection implementations", JavaReflectionClass.class, listType.getClass());
MetaClass elementType = MarshallingGenUtil.getConcreteElementType(listType);
assertEquals("java.lang.String", elementType.getFullyQualifiedName());
assertEquals(MetaClassFactory.get(String.class), elementType);
}
@Test
public void testGetWildcardElementType() throws Exception {
class Container {
@SuppressWarnings("unused")
List<? extends String> list;
}
MetaClass listType = MetaClassFactory.get(Container.class).getDeclaredField("list").getType();
assertEquals("This test is supposed to use the Java Reflection implementations", JavaReflectionClass.class, listType.getClass());
MetaClass elementType = MarshallingGenUtil.getConcreteElementType(listType);
assertNull("getConcreteElementType must return null for wildcard element types", elementType);
}
}