/*
* Copyright 2002-2014 the original author or authors.
*
* 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.springframework.core;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.springframework.android.test.Assert;
/**
* Test fixture for {@link ParameterizedTypeReference}.
*
* @author Arjen Poutsma
* @author Rossen Stoyanchev
* @author Roy Clarkson
*/
public class ParameterizedTypeReferenceTests extends TestCase {
public void testMap() throws NoSuchMethodException {
Type mapType = getClass().getMethod("mapMethod").getGenericReturnType();
ParameterizedTypeReference<Map<Object,String>> mapTypeReference = new ParameterizedTypeReference<Map<Object,String>>() {};
//A simple type equality comparison isn't working on Android, so a deeper comparison is required
Type[] expected = ((ParameterizedType) mapType).getActualTypeArguments();
Type[] actual = ((ParameterizedType) mapTypeReference.getType()).getActualTypeArguments();
Assert.assertArrayEquals(expected, actual);
}
public void testList() throws NoSuchMethodException {
Type listType = getClass().getMethod("listMethod").getGenericReturnType();
ParameterizedTypeReference<List<String>> listTypeReference = new ParameterizedTypeReference<List<String>>() {};
assertTrue(listType.getClass().isAssignableFrom(listTypeReference.getType().getClass()));
assertTrue(listTypeReference.getType().getClass().isAssignableFrom(listType.getClass()));
//A simple type equality comparison isn't working on Android, so a deeper comparison is required
Type[] expected = ((ParameterizedType) listType).getActualTypeArguments();
Type[] actual = ((ParameterizedType) listTypeReference.getType()).getActualTypeArguments();
Assert.assertArrayEquals(expected, actual);
}
public void testString() {
ParameterizedTypeReference<String> typeReference = new ParameterizedTypeReference<String>() {};
assertEquals(String.class, typeReference.getType());
}
public static Map<Object, String> mapMethod() {
return null;
}
public static List<String> listMethod() {
return null;
}
}