Introduce @EnableAspectJAutoProxy

Issue: SPR-8138

org.springframework.context/src/test/java/org/springframework/context/annotation/EnableAspectJAutoProxyTests.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2002-2008 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
+ *
+import org.springframework.aop.aspectj.annotation.EnableAspectJAutoProxy;
+
+ *      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.context.annotation;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.springframework.aop.support.AopUtils;
+import org.springframework.context.ApplicationContext;
+
+import example.scannable.FooService;
+import example.scannable.ServiceInvocationCounter;
+
+/**
+ * @author Juergen Hoeller
+ * @author Chris Beams
+ */
+public class EnableAspectJAutoProxyTests {
+
+	@Configuration
+	@ComponentScan("example.scannable")
+	@EnableAspectJAutoProxy
+	static class Config_WithJDKProxy {
+	}
+
+	@Configuration
+	@ComponentScan("example.scannable")
+	@EnableAspectJAutoProxy(proxyTargetClass=true)
+	static class Config_WithCGLIBProxy {
+	}
+
+	@Test
+	public void withJDKProxy() throws Exception {
+		ApplicationContext ctx =
+				new AnnotationConfigApplicationContext(Config_WithJDKProxy.class);
+
+		aspectIsApplied(ctx);
+		assertThat(AopUtils.isJdkDynamicProxy(ctx.getBean(FooService.class)), is(true));
+	}
+
+	@Test
+	public void withCGLIBProxy() throws Exception {
+		ApplicationContext ctx =
+				new AnnotationConfigApplicationContext(Config_WithCGLIBProxy.class);
+
+		aspectIsApplied(ctx);
+		assertThat(AopUtils.isCglibProxy(ctx.getBean(FooService.class)), is(true));
+	}
+
+
+	private void aspectIsApplied(ApplicationContext ctx) throws Exception {
+		FooService fooService = ctx.getBean(FooService.class);
+		ServiceInvocationCounter counter = ctx.getBean(ServiceInvocationCounter.class);
+
+		assertEquals(0, counter.getCount());
+
+		assertTrue(fooService.isInitCalled());
+		assertEquals(1, counter.getCount());
+
+		String value = fooService.foo(1);
+		assertEquals("bar", value);
+		assertEquals(2, counter.getCount());
+
+		fooService.foo(1);
+		assertEquals(3, counter.getCount());
+	}
+}