Add test for SPR-11844

SPR-11844/pom.xml

@@ -0,0 +1,49 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.issues</groupId>
+	<artifactId>SPR-11844</artifactId>
+	<version>1.0-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.1.0.BUILD-SNAPSHOT</version>
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<java.version>1.6</java.version>
+		<spring.version>4.0.5.RELEASE</spring.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<repositories>
+		<repository>
+			<id>spring-maven-snapshot</id>
+			<name>Springframework Maven Snapshot Repository</name>
+			<url>http://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
+
+</project>
+

SPR-11844/src/test/java/org/springframework/issues/ReproTests.java

@@ -0,0 +1,75 @@
+package org.springframework.issues;
+
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
+import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
+import org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.context.annotation.ImportSelector;
+import org.springframework.core.type.AnnotationMetadata;
+
+/**
+ * Unit test that reproduces an issue reported against SPR JIRA. @Test methods within need
+ * not pass with the green bar! Rather they should fail in such a way that demonstrates
+ * the reported issue.
+ */
+public class ReproTests {
+
+	@Test
+	public void ok() throws Exception {
+		assertNotNull(getClass().getClassLoader().loadClass(
+				JpaBaseConfiguration.class.getName()));
+	}
+
+	/**
+	 * This one is fine because it uses an ImportSelector (the same would be true if using
+	 * <code>@EnableAutoConfiguration</code>).
+	 */
+	@Test
+	public void clean() throws Exception {
+		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+		context.register(MainConfiguration.class);
+		context.refresh();
+		assertNotNull(context);
+	}
+
+	/**
+	 * This one is fails because it uses <code>@Import</code> (and
+	 * {@link HibernateJpaAutoConfiguration} has an unloadable nested class).
+	 */
+	@Test
+	public void dirty() throws Exception {
+		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+		context.register(ImportConfiguration.class);
+		context.refresh();
+		assertNotNull(context);
+	}
+
+	@Configuration
+	@Import({ DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class,
+			PropertyPlaceholderAutoConfiguration.class })
+	protected static class ImportConfiguration {
+	}
+
+	@Configuration
+	@Import(Selector.class)
+	protected static class MainConfiguration {
+	}
+
+	protected static class Selector implements ImportSelector {
+
+		@Override
+		public String[] selectImports(AnnotationMetadata importingClassMetadata) {
+			return new String[] { DataSourceAutoConfiguration.class.getName(),
+					HibernateJpaAutoConfiguration.class.getName(),
+					PropertyPlaceholderAutoConfiguration.class.getName() };
+		}
+
+	}
+
+}