Bind all super interfaces

src/test/java/org/springframework/guice/SuperClassTests.java

@@ -0,0 +1,89 @@
+package org.springframework.guice;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Injector;
+import org.junit.Test;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.guice.annotation.EnableGuiceModules;
+
+import static org.junit.Assert.assertTrue;
+
+public class SuperClassTests {
+
+    @Test
+    public void testSpringInterface() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ModulesConfig.class);
+        IParent iParent = context.getBean(IParent.class);
+        assertTrue(iParent instanceof IChildImpl);
+    }
+
+    @Test
+    public void testGuiceInterface() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ModulesConfig.class);
+        Injector injector = context.getBean(Injector.class);
+        IParent iParent = injector.getInstance(IParent.class);
+        assertTrue(iParent instanceof IChildImpl);
+    }
+
+    @Test
+    public void testSpringClass() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ModulesConfig.class);
+        IFoo iFoo = context.getBean(IFoo.class);
+        assertTrue(iFoo instanceof Foo);
+    }
+
+    @Test
+    public void testGuiceClass() {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ModulesConfig.class);
+        Injector injector = context.getBean(Injector.class);
+        IFoo iFoo = injector.getInstance(IFoo.class);
+        assertTrue(iFoo instanceof Foo);
+    }
+
+    @Configuration
+    @EnableGuiceModules
+    static class ModulesConfig {
+
+        @Bean
+        public IChild iChild() {
+            return new IChildImpl();
+        }
+
+        @Bean
+        public Foo iFoo() {
+            return new Foo();
+        }
+
+        @Bean
+        public AbstractModule disableJITModule() {
+            return new AbstractModule() {
+                @Override
+                protected void configure() {
+                    binder().requireExplicitBindings();
+                }
+            };
+        }
+    }
+
+
+    public interface IParent {
+    }
+
+    public interface IChild extends IParent {
+
+    }
+
+    public static class IChildImpl implements IChild {
+
+    }
+
+    public interface IFoo {
+
+    }
+
+    public static class Foo implements IFoo {
+
+    }
+}