| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * 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 tests.api.java.lang.reflect; |
| |
| import dalvik.annotation.TestTargets; |
| import dalvik.annotation.TestLevel; |
| import dalvik.annotation.TestTargetNew; |
| import dalvik.annotation.TestTargetClass; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.GenericArrayType; |
| import java.lang.reflect.ParameterizedType; |
| import java.lang.reflect.Type; |
| import java.lang.reflect.TypeVariable; |
| |
| /** |
| * Tests generic reflection on arrays with generic or parameterized component types. |
| */ |
| @TestTargetClass(GenericArrayType.class) |
| public class GenericArrayTypeTest extends GenericReflectionTestsBase { |
| |
| static class A<T> { |
| T[] array; |
| } |
| @TestTargetNew( |
| level = TestLevel.SUFFICIENT, |
| notes = "Missing tests for TypeNotPresentException, MalformedParameterizedTypeException", |
| method = "getGenericComponentType", |
| args = {} |
| ) |
| public void testGetGenericComponentType() throws Exception { |
| @SuppressWarnings("unchecked") |
| Class<? extends A> clazz = GenericArrayTypeTest.A.class; |
| Field field = clazz.getDeclaredField("array"); |
| Type genericType = field.getGenericType(); |
| assertInstanceOf(GenericArrayType.class, genericType); |
| Type componentType = ((GenericArrayType) genericType).getGenericComponentType(); |
| assertEquals(getTypeParameter(clazz), componentType); |
| assertInstanceOf(TypeVariable.class, componentType); |
| TypeVariable<?> componentTypeVariable = (TypeVariable<?>) componentType; |
| assertEquals("T", componentTypeVariable.getName()); |
| assertEquals(clazz, componentTypeVariable.getGenericDeclaration()); |
| } |
| |
| static class B<T> { |
| B<T>[] array; |
| } |
| @TestTargetNew( |
| level = TestLevel.SUFFICIENT, |
| notes = "Missing tests for TypeNotPresentException, MalformedParameterizedTypeException", |
| method = "getGenericComponentType", |
| args = {} |
| ) |
| public void testParameterizedComponentType() throws Exception { |
| @SuppressWarnings("unchecked") |
| Class<? extends B> clazz = GenericArrayTypeTest.B.class; |
| Field field = clazz.getDeclaredField("array"); |
| Type genericType = field.getGenericType(); |
| |
| assertInstanceOf(GenericArrayType.class, genericType); |
| GenericArrayType arrayType = (GenericArrayType) genericType; |
| Type componentType = arrayType.getGenericComponentType(); |
| assertInstanceOf(ParameterizedType.class, componentType); |
| ParameterizedType parameteriezdType = (ParameterizedType) componentType; |
| assertEquals(clazz, parameteriezdType.getRawType()); |
| assertEquals(clazz.getTypeParameters()[0], parameteriezdType.getActualTypeArguments()[0]); |
| } |
| } |