| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.bval.jsr.metadata; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.TypeVariable; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class ContainerElementKeyTest { |
| public static abstract class HasList { |
| public Set<String> strings; |
| } |
| |
| public static abstract class BoundListType implements Set<String> { |
| } |
| |
| private Field stringsField; |
| |
| @Before |
| public void setup() throws Exception { |
| stringsField = HasList.class.getField("strings"); |
| } |
| |
| @Test |
| public void testBasic() { |
| final ContainerElementKey containerElementKey = |
| new ContainerElementKey(stringsField.getAnnotatedType(), Integer.valueOf(0)); |
| |
| assertEquals(Set.class, containerElementKey.getContainerClass()); |
| assertEquals(0, containerElementKey.getTypeArgumentIndex().intValue()); |
| assertEquals(String.class, containerElementKey.getAnnotatedType().getType()); |
| } |
| |
| @Test |
| public void testAssignableKeys() { |
| final ContainerElementKey containerElementKey = |
| new ContainerElementKey(stringsField.getAnnotatedType(), Integer.valueOf(0)); |
| |
| final Iterator<ContainerElementKey> iterator = containerElementKey.getAssignableKeys().iterator(); |
| { |
| assertTrue(iterator.hasNext()); |
| final ContainerElementKey assignableKey = iterator.next(); |
| assertEquals(Collection.class, assignableKey.getContainerClass()); |
| assertEquals(0, assignableKey.getTypeArgumentIndex().intValue()); |
| assertTrue(assignableKey.getAnnotatedType().getType() instanceof TypeVariable<?>); |
| } |
| { |
| assertTrue(iterator.hasNext()); |
| final ContainerElementKey assignableKey = iterator.next(); |
| assertEquals(Iterable.class, assignableKey.getContainerClass()); |
| assertEquals(0, assignableKey.getTypeArgumentIndex().intValue()); |
| assertTrue(assignableKey.getAnnotatedType().getType() instanceof TypeVariable<?>); |
| } |
| assertFalse(iterator.hasNext()); |
| } |
| |
| @Test |
| public void testAssignableKeysWithExplicitBinding() { |
| final ContainerElementKey containerElementKey = new ContainerElementKey(BoundListType.class, null); |
| |
| final Iterator<ContainerElementKey> iterator = containerElementKey.getAssignableKeys().iterator(); |
| { |
| assertTrue(iterator.hasNext()); |
| final ContainerElementKey assignableKey = iterator.next(); |
| assertEquals(Set.class, assignableKey.getContainerClass()); |
| assertEquals(0, assignableKey.getTypeArgumentIndex().intValue()); |
| } |
| { |
| assertTrue(iterator.hasNext()); |
| final ContainerElementKey assignableKey = iterator.next(); |
| assertEquals(Collection.class, assignableKey.getContainerClass()); |
| assertEquals(0, assignableKey.getTypeArgumentIndex().intValue()); |
| } |
| { |
| assertTrue(iterator.hasNext()); |
| final ContainerElementKey assignableKey = iterator.next(); |
| assertEquals(Iterable.class, assignableKey.getContainerClass()); |
| assertEquals(0, assignableKey.getTypeArgumentIndex().intValue()); |
| assertTrue(assignableKey.getAnnotatedType().getType() instanceof TypeVariable<?>); |
| } |
| assertFalse(iterator.hasNext()); |
| } |
| |
| @Test |
| public void testTypeVariableInheritance() { |
| final ContainerElementKey containerElementKey = |
| new ContainerElementKey(stringsField.getAnnotatedType(), Integer.valueOf(0)); |
| |
| assertTrue(containerElementKey.represents(Set.class.getTypeParameters()[0])); |
| assertTrue(containerElementKey.represents(Collection.class.getTypeParameters()[0])); |
| assertTrue(containerElementKey.represents(Iterable.class.getTypeParameters()[0])); |
| } |
| } |