1 files changed, 42 insertions, 0 deletions
diff --git a/container-di/src/test/java/demo/ComponentRegistryTest.java b/container-di/src/test/java/demo/ComponentRegistryTest.java
new file mode 100644
index 00000000000..193f65048ab
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+++ b/container-di/src/test/java/demo/ComponentRegistryTest.java
@@ -0,0 +1,42 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package demo;
+
+import com.yahoo.component.AbstractComponent;
+import com.yahoo.component.provider.ComponentRegistry;
+import org.junit.Test;
+
+import static org.junit.Assert.assertNotNull;
+
+
+/**
+ * @author tonytv
+ * @author gjoranv
+ */
+public class ComponentRegistryTest extends Base {
+    public static class SearchHandler extends AbstractComponent {
+        private final ComponentRegistry<Searcher> searchers;
+
+        public SearchHandler(ComponentRegistry<Searcher> searchers) {
+            this.searchers = searchers;
+        }
+    }
+
+    public static class Searcher extends AbstractComponent {}
+
+    public static class FooSearcher extends Searcher {}
+    public static class BarSearcher extends Searcher {}
+
+    @Test
+    public void require_that_component_registry_can_be_injected() {
+        register(SearchHandler.class);
+        register(FooSearcher.class);
+        register(BarSearcher.class);
+        complete();
+
+        SearchHandler handler = getInstance(SearchHandler.class);
+
+        ComponentRegistry<Searcher> searchers = handler.searchers;
+        assertNotNull(searchers.getComponent(toId(FooSearcher.class)));
+        assertNotNull(searchers.getComponent(toId(BarSearcher.class)));
+    }
+}