| /* |
| * Copyright (C) 2012 The Guava 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 com.google.common.reflect; |
| |
| import com.google.common.testing.EqualsTester; |
| import com.google.common.testing.NullPointerTester; |
| |
| import junit.framework.TestCase; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.reflect.Constructor; |
| |
| /** |
| * Unit tests of {@link Element}. |
| * |
| * @author Ben Yu |
| */ |
| public class ElementTest extends TestCase { |
| |
| public void testPrivateField() throws Exception { |
| Element element = A.field("privateField"); |
| assertTrue(element.isPrivate()); |
| assertFalse(element.isAbstract()); |
| assertFalse(element.isPackagePrivate()); |
| assertFalse(element.isProtected()); |
| assertFalse(element.isPublic()); |
| assertFalse(element.isFinal()); |
| assertFalse(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testPackagePrivateField() throws Exception { |
| Element element = A.field("packagePrivateField"); |
| assertFalse(element.isPrivate()); |
| assertTrue(element.isPackagePrivate()); |
| assertFalse(element.isProtected()); |
| assertFalse(element.isPublic()); |
| assertFalse(element.isFinal()); |
| assertFalse(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testProtectedField() throws Exception { |
| Element element = A.field("protectedField"); |
| assertFalse(element.isPrivate()); |
| assertFalse(element.isPackagePrivate()); |
| assertTrue(element.isProtected()); |
| assertFalse(element.isPublic()); |
| assertFalse(element.isFinal()); |
| assertFalse(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testPublicField() throws Exception { |
| Element element = A.field("publicField"); |
| assertFalse(element.isPrivate()); |
| assertFalse(element.isPackagePrivate()); |
| assertFalse(element.isProtected()); |
| assertTrue(element.isPublic()); |
| assertFalse(element.isFinal()); |
| assertFalse(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testFinalField() throws Exception { |
| Element element = A.field("finalField"); |
| assertTrue(element.isFinal()); |
| assertFalse(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testStaticField() throws Exception { |
| Element element = A.field("staticField"); |
| assertTrue(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testVolatileField() throws Exception { |
| Element element = A.field("volatileField"); |
| assertTrue(element.isVolatile()); |
| } |
| |
| public void testTransientField() throws Exception { |
| Element element = A.field("transientField"); |
| assertTrue(element.isTransient()); |
| } |
| |
| public void testConstructor() throws Exception { |
| Element element = A.constructor(); |
| assertTrue(element.isPublic()); |
| assertFalse(element.isPackagePrivate()); |
| assertFalse(element.isAbstract()); |
| assertFalse(element.isStatic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testAbstractMethod() throws Exception { |
| Element element = A.method("abstractMethod"); |
| assertTrue(element.isPackagePrivate()); |
| assertTrue(element.isAbstract()); |
| assertFalse(element.isFinal()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testOverridableMethod() throws Exception { |
| Element element = A.method("overridableMethod"); |
| assertTrue(element.isPackagePrivate()); |
| assertFalse(element.isAbstract()); |
| assertFalse(element.isFinal()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testPrivateMethod() throws Exception { |
| Element element = A.method("privateMethod"); |
| assertFalse(element.isAbstract()); |
| assertTrue(element.isPrivate()); |
| assertFalse(element.isPackagePrivate()); |
| assertFalse(element.isPublic()); |
| assertFalse(element.isProtected()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testProtectedMethod() throws Exception { |
| Element element = A.method("protectedMethod"); |
| assertFalse(element.isAbstract()); |
| assertFalse(element.isPrivate()); |
| assertFalse(element.isPackagePrivate()); |
| assertFalse(element.isFinal()); |
| assertFalse(element.isPublic()); |
| assertTrue(element.isProtected()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testFinalMethod() throws Exception { |
| Element element = A.method("publicFinalMethod"); |
| assertFalse(element.isAbstract()); |
| assertFalse(element.isPrivate()); |
| assertTrue(element.isFinal()); |
| assertTrue(element.isPublic()); |
| assertTrue(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testNativeMethod() throws Exception { |
| Element element = A.method("nativeMethod"); |
| assertTrue(element.isNative()); |
| assertTrue(element.isPackagePrivate()); |
| } |
| |
| public void testSynchronizedMethod() throws Exception { |
| Element element = A.method("synchronizedMethod"); |
| assertTrue(element.isSynchronized()); |
| } |
| |
| public void testUnannotatedMethod() throws Exception { |
| Element element = A.method("notAnnotatedMethod"); |
| assertFalse(element.isAnnotationPresent(Tested.class)); |
| } |
| |
| public void testEquals() throws Exception { |
| new EqualsTester() |
| .addEqualityGroup(A.field("privateField"), A.field("privateField")) |
| .addEqualityGroup(A.field("publicField")) |
| .addEqualityGroup(A.constructor(), A.constructor()) |
| .addEqualityGroup(A.method("privateMethod"), A.method("privateMethod")) |
| .addEqualityGroup(A.method("publicFinalMethod")) |
| .testEquals(); |
| } |
| |
| public void testNulls() { |
| new NullPointerTester() |
| .testAllPublicStaticMethods(Element.class); |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| private @interface Tested {} |
| |
| private static abstract class A { |
| @Tested private boolean privateField; |
| @Tested int packagePrivateField; |
| @Tested protected int protectedField; |
| @Tested public String publicField; |
| @Tested private static Iterable<String> staticField; |
| @Tested private final Object finalField; |
| private volatile char volatileField; |
| private transient long transientField; |
| |
| @Tested public A(Object finalField) { |
| this.finalField = finalField; |
| } |
| |
| @Tested abstract void abstractMethod(); |
| |
| @Tested void overridableMethod() {} |
| |
| @Tested protected void protectedMethod() {} |
| |
| @Tested private void privateMethod() {} |
| |
| @Tested public final void publicFinalMethod() {} |
| |
| void notAnnotatedMethod() {} |
| |
| static Element field(String name) throws Exception { |
| Element element = new Element(A.class.getDeclaredField(name)); |
| assertEquals(name, element.getName()); |
| assertEquals(A.class, element.getDeclaringClass()); |
| return element; |
| } |
| |
| static Element constructor() throws Exception { |
| Constructor<?> constructor = A.class.getDeclaredConstructor(Object.class); |
| Element element = new Element(constructor); |
| assertEquals(constructor.getName(), element.getName()); |
| assertEquals(A.class, element.getDeclaringClass()); |
| return element; |
| } |
| |
| static Element method(String name, Class<?>... parameterTypes) throws Exception { |
| Element element = new Element(A.class.getDeclaredMethod(name, parameterTypes)); |
| assertEquals(name, element.getName()); |
| assertEquals(A.class, element.getDeclaringClass()); |
| return element; |
| } |
| |
| native void nativeMethod(); |
| |
| synchronized void synchronizedMethod() {} |
| } |
| } |