Add test for binding to Map by generic signature

See #67

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

@@ -0,0 +1,63 @@
+package org.springframework.guice;
+
+import java.util.Map;
+
+import com.google.inject.AbstractModule;
+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;
+
+/**
+ * Test injecting Map
+ *
+ * @author Dave Syer
+ */
+public class MapWiringTests {
+
+	// Test Guice -> Spring direction
+	@SuppressWarnings({ "resource", "unused" })
+	@Test
+	public void testProvidesMap() {
+		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
+				ModulesConfig.class, FooBar.class);
+		Bar bar = context.getBean(Bar.class);
+	}
+
+	@Configuration
+	@EnableGuiceModules
+	static class ModulesConfig {
+		@Bean
+		TestConfig testConfig() {
+			return new TestConfig();
+		}
+	}
+
+	@Configuration
+	static class FooBar {
+		@Bean
+		Bar foo(Map<String, Foo> foos) {
+			assertTrue(!foos.isEmpty());
+			return new Bar();
+		}
+
+	}
+
+	static class TestConfig extends AbstractModule {
+		@Override
+		protected void configure() {
+			bind(Foo.class);
+		}
+	}
+
+	static class Foo {
+	}
+
+	static class Bar {
+	}
+
+}

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

@@ -325,6 +325,7 @@ public class SuperClassTests {
 	}
 
 	private void baseTestSpringFactoryBean(Class<?> configClass) {
+		@SuppressWarnings("resource")
 		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
 				configClass);
 
@@ -495,8 +496,8 @@ public class SuperClassTests {
 
 	}
 
-	public static class Bar {}
-
+	public static class Bar {
+	}
 
 	@Component
 	public static class BarFactory implements FactoryBean<Bar> {