Index: src/test/java/org/jboss/resteasy/test/core/injection/SimpleMessageBodyWriter.java
===================================================================
--- src/test/java/org/jboss/resteasy/test/core/injection/SimpleMessageBodyWriter.java	(revision 0)
+++ src/test/java/org/jboss/resteasy/test/core/injection/SimpleMessageBodyWriter.java	(revision 0)
@@ -0,0 +1,69 @@
+package org.jboss.resteasy.test.core.injection;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyWriter;
+import javax.ws.rs.ext.Provider;
+import javax.ws.rs.ext.Providers;
+
+@Provider
+@Produces("text/plain")
+public class SimpleMessageBodyWriter implements MessageBodyWriter<String>
+{
+
+   @Context
+   private Providers fieldProviders = null;
+   private Providers constructorProviders = null;
+   // just in case there was a pool of instances - we want to test all of them
+   private static Set<SimpleMessageBodyWriter> instances = new HashSet<SimpleMessageBodyWriter>();
+
+   public SimpleMessageBodyWriter(@Context Providers providers)
+   {
+      constructorProviders = providers;
+      instances.add(this);
+   }
+
+   public long getSize(String t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
+   {
+      return 3;
+   }
+
+   public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
+   {
+      return true;
+   }
+
+   public void writeTo(String t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException
+   {
+      Writer writer = new OutputStreamWriter(entityStream);
+      writer.write("bar");
+      writer.flush();
+   }
+
+   public Providers getFieldProviders()
+   {
+      return fieldProviders;
+   }
+
+   public Providers getConstructorProviders()
+   {
+      return constructorProviders;
+   }
+
+   public static Set<SimpleMessageBodyWriter> getInstances()
+   {
+      return instances;
+   }
+}
Index: src/test/java/org/jboss/resteasy/test/core/injection/ProviderInjectionTest.java
===================================================================
--- src/test/java/org/jboss/resteasy/test/core/injection/ProviderInjectionTest.java	(revision 0)
+++ src/test/java/org/jboss/resteasy/test/core/injection/ProviderInjectionTest.java	(revision 0)
@@ -0,0 +1,72 @@
+package org.jboss.resteasy.test.core.injection;
+
+import static org.jboss.resteasy.test.TestPortProvider.generateBaseUrl;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertTrue;
+
+import org.jboss.resteasy.client.ProxyFactory;
+import org.jboss.resteasy.test.BaseResourceTest;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * This test verifies that Providers instance can be injected into a Provider
+ * using constructor or field injection.
+ * 
+ * @author Jozef Hartinger
+ * 
+ */
+public class ProviderInjectionTest extends BaseResourceTest
+{
+
+   @Before
+   public void setUp() throws Exception
+   {
+      getProviderFactory().registerProvider(SimpleMessageBodyWriter.class);
+      addPerRequestResource(SimpleResourceImpl.class);
+
+      // do a request (force provider instantiation if providers were created
+      // lazily)
+      SimpleResource proxy = ProxyFactory.create(SimpleResource.class, generateBaseUrl());
+      assertEquals(proxy.foo(), "bar");
+   }
+
+   @Test
+   public void testConstructorInjection()
+   {
+      for (SimpleMessageBodyWriter writer : SimpleMessageBodyWriter.getInstances())
+      {
+         assertTrue(writer.getConstructorProviders() != null);
+      }
+   }
+
+   @Test
+   public void testFieldInjection()
+   {
+      for (SimpleMessageBodyWriter writer : SimpleMessageBodyWriter.getInstances())
+      {
+         assertTrue(writer.getFieldProviders() != null);
+      }
+   }
+
+   @Path("/test")
+   public static interface SimpleResource
+   {
+      @GET
+      @Produces("text/plain")
+      String foo();
+   }
+
+   public static class SimpleResourceImpl implements SimpleResource
+   {
+      public String foo()
+      {
+         return "foo";
+      }
+   }
+}