Tests for enum array with varargs (and related refinements)

Issue: SPR-13328

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/AspectJProxyFactory.java

@@ -76,7 +76,7 @@ public class AspectJProxyFactory extends ProxyCreatorSupport {
 	 * Create a new {@code AspectJProxyFactory}.
 	 * No target, only interfaces. Must add interceptors.
 	 */
-	public AspectJProxyFactory(Class<?>[] interfaces) {
+	public AspectJProxyFactory(Class<?>... interfaces) {
 		setInterfaces(interfaces);
 	}
 

spring-aop/src/test/java/org/springframework/aop/aspectj/annotation/AspectProxyFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -16,6 +16,9 @@
 
 package org.springframework.aop.aspectj.annotation;
 
+import java.util.Arrays;
+
+import org.apache.commons.logging.LogFactory;
 import org.aspectj.lang.ProceedingJoinPoint;
 import org.aspectj.lang.annotation.Around;
 import org.aspectj.lang.annotation.Aspect;
@@ -32,9 +35,9 @@ import static org.junit.Assert.*;
  * @author Juergen Hoeller
  * @author Chris Beams
  */
-public final class AspectProxyFactoryTests {
+public class AspectProxyFactoryTests {
 
-	@Test(expected=IllegalArgumentException.class)
+	@Test(expected = IllegalArgumentException.class)
 	public void testWithNonAspect() {
 		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
 		proxyFactory.addAspect(TestBean.class);
@@ -70,7 +73,7 @@ public final class AspectProxyFactoryTests {
 		assertEquals(2, proxy1.getAge());
 	}
 
-	@Test(expected=IllegalArgumentException.class)
+	@Test(expected = IllegalArgumentException.class)
 	public void testWithInstanceWithNonAspect() throws Exception {
 		AspectJProxyFactory pf = new AspectJProxyFactory();
 		pf.addAspect(new TestBean());
@@ -96,14 +99,23 @@ public final class AspectProxyFactoryTests {
 		assertEquals(target.getAge() * multiple, serializedProxy.getAge());
 	}
 
-	@Test(expected=IllegalArgumentException.class)
+	@Test(expected = IllegalArgumentException.class)
 	public void testWithNonSingletonAspectInstance() throws Exception {
 		AspectJProxyFactory pf = new AspectJProxyFactory();
 		pf.addAspect(new PerThisAspect());
 	}
 
+	@Test  // SPR-13328
+	public void testVarargsWithEnumArray() throws Exception {
+		AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
+		proxyFactory.addAspect(LoggingAspect.class);
+		proxyFactory.setProxyTargetClass(true);
+		TestBean proxy = proxyFactory.getProxy();
+		assertTrue(proxy.doWithVarargs(MyEnum.A, MyEnum.B));
+	}
 
-	public static interface ITestBean {
+
+	public interface ITestBean {
 
 		int getAge();
 	}
@@ -121,8 +133,32 @@ public final class AspectProxyFactoryTests {
 		public void setAge(int age) {
 			this.age = age;
 		}
+
+		public <V extends MyInterface> boolean doWithVarargs(V... args) {
+			return true;
+		}
+	}
+
+
+	public interface MyInterface {
 	}
 
+
+	public enum MyEnum implements MyInterface {
+
+		A, B;
+	}
+
+
+	@Aspect
+	public static class LoggingAspect {
+
+		@Around("execution(* doWithVarargs(*))")
+		public Object doLog(ProceedingJoinPoint pjp) throws Throwable {
+			LogFactory.getLog(LoggingAspect.class).debug(Arrays.asList(pjp.getArgs()));
+			return pjp.proceed();
+		}
+	}
 }
 
 

spring-context/src/test/java/org/springframework/aop/framework/CglibProxyTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -49,7 +49,7 @@ import static org.junit.Assert.*;
  * @author Chris Beams
  */
 @SuppressWarnings("serial")
-public final class CglibProxyTests extends AbstractAopProxyTests implements Serializable {
+public class CglibProxyTests extends AbstractAopProxyTests implements Serializable {
 
 	private static final String DEPENDENCY_CHECK_CONTEXT =
 			CglibProxyTests.class.getSimpleName() + "-with-dependency-checking.xml";
@@ -74,6 +74,7 @@ public final class CglibProxyTests extends AbstractAopProxyTests implements Seri
 		return true;
 	}
 
+
 	@Test
 	public void testNullConfig() {
 		try {
@@ -402,6 +403,13 @@ public final class CglibProxyTests extends AbstractAopProxyTests implements Seri
 		assertEquals(4, proxy.add(1, 3));
 	}
 
+	@Test  // SPR-13328
+	public void testVarargsWithEnumArray() throws Exception {
+		ProxyFactory proxyFactory = new ProxyFactory(new MyBean());
+		MyBean proxy = (MyBean) proxyFactory.getProxy();
+		assertTrue(proxy.doWithVarargs(MyEnum.A, MyEnum.B));
+	}
+
 
 	public static class MyBean {
 
@@ -418,6 +426,20 @@ public final class CglibProxyTests extends AbstractAopProxyTests implements Seri
 		protected int add(int x, int y) {
 			return x + y;
 		}
+
+		public <V extends MyInterface> boolean doWithVarargs(V... args) {
+			return true;
+		}
+	}
+
+
+	public interface MyInterface {
+	}
+
+
+	public enum MyEnum implements MyInterface {
+
+		A, B;
 	}
 
 

spring-context/src/test/java/org/springframework/aop/framework/JdkDynamicProxyTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -20,6 +20,7 @@ import java.io.Serializable;
 
 import org.aopalliance.intercept.MethodInterceptor;
 import org.aopalliance.intercept.MethodInvocation;
+import org.junit.Test;
 
 import org.springframework.aop.interceptor.ExposeInvocationInterceptor;
 import org.springframework.aop.support.AopUtils;
@@ -28,7 +29,6 @@ import org.springframework.tests.sample.beans.ITestBean;
 import org.springframework.tests.sample.beans.TestBean;
 
 import static org.junit.Assert.*;
-import static org.mockito.BDDMockito.*;
 
 /**
  * @since 13.03.2003
@@ -37,7 +37,7 @@ import static org.mockito.BDDMockito.*;
  * @author Chris Beams
  */
 @SuppressWarnings("serial")
-public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements Serializable {
+public class JdkDynamicProxyTests extends AbstractAopProxyTests implements Serializable {
 
 	@Override
 	protected Object createProxy(ProxyCreatorSupport as) {
@@ -52,6 +52,8 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 		return new JdkDynamicAopProxy(as);
 	}
 
+
+	@Test
 	public void testNullConfig() {
 		try {
 			new JdkDynamicAopProxy(null);
@@ -62,6 +64,7 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 		}
 	}
 
+	@Test
 	public void testProxyIsJustInterface() throws Throwable {
 		TestBean raw = new TestBean();
 		raw.setAge(32);
@@ -74,32 +77,32 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 		assertTrue(!(proxy instanceof TestBean));
 	}
 
+	@Test
 	public void testInterceptorIsInvokedWithNoTarget() throws Throwable {
 		// Test return value
-		int age = 25;
-		MethodInterceptor mi = mock(MethodInterceptor.class);
+		final Integer age = 25;
+		MethodInterceptor mi = (invocation -> age);
 
-		AdvisedSupport pc = new AdvisedSupport(new Class<?>[] { ITestBean.class });
+		AdvisedSupport pc = new AdvisedSupport(new Class<?>[] {ITestBean.class});
 		pc.addAdvice(mi);
 		AopProxy aop = createAopProxy(pc);
 
-		given(mi.invoke(null)).willReturn(age);
-
 		ITestBean tb = (ITestBean) aop.getProxy();
 		assertTrue("correct return value", tb.getAge() == age);
 	}
 
+	@Test
 	public void testTargetCanGetInvocationWithPrivateClass() throws Throwable {
 		final ExposedInvocationTestBean expectedTarget = new ExposedInvocationTestBean() {
 			@Override
 			protected void assertions(MethodInvocation invocation) {
 				assertTrue(invocation.getThis() == this);
 				assertTrue("Invocation should be on ITestBean: " + invocation.getMethod(),
-					invocation.getMethod().getDeclaringClass() == ITestBean.class);
+						invocation.getMethod().getDeclaringClass() == ITestBean.class);
 			}
 		};
 
-		AdvisedSupport pc = new AdvisedSupport(new Class<?>[] { ITestBean.class, IOther.class });
+		AdvisedSupport pc = new AdvisedSupport(new Class<?>[] {ITestBean.class, IOther.class});
 		pc.addAdvice(ExposeInvocationInterceptor.INSTANCE);
 		TrapTargetInterceptor tii = new TrapTargetInterceptor() {
 			@Override
@@ -126,10 +129,11 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 		//assertTrue(target.invocation == tii.invocation);
 	}
 
+	@Test
 	public void testProxyNotWrappedIfIncompatible() {
 		FooBar bean = new FooBar();
 		ProxyCreatorSupport as = new ProxyCreatorSupport();
-		as.setInterfaces(new Class<?>[] {Foo.class});
+		as.setInterfaces(Foo.class);
 		as.setTarget(bean);
 
 		Foo proxy = (Foo) createProxy(as);
@@ -138,6 +142,7 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 
 	}
 
+	@Test
 	public void testEqualsAndHashCodeDefined() throws Exception {
 		AdvisedSupport as = new AdvisedSupport(new Class<?>[]{Named.class});
 		as.setTarget(new Person());
@@ -149,7 +154,7 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 	}
 
 
-	public static interface Foo {
+	public interface Foo {
 
 		Bar getBarThis();
 
@@ -157,8 +162,7 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 	}
 
 
-	public static interface Bar {
-
+	public interface Bar {
 	}
 
 
@@ -176,7 +180,7 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 	}
 
 
-	public static interface Named {
+	public interface Named {
 
 		String getName();
 
@@ -201,11 +205,8 @@ public final class JdkDynamicProxyTests extends AbstractAopProxyTests implements
 		public boolean equals(Object o) {
 			if (this == o) return true;
 			if (o == null || getClass() != o.getClass()) return false;
-
-			final Person person = (Person) o;
-
+			Person person = (Person) o;
 			if (!name.equals(person.name)) return false;
-
 			return true;
 		}