private void testServiceContext(String op, ServerRequestInfo ri, boolean addContext) {
    if (op.equals("test_service_context")) {
      //
      // Test: get_request_service_context
      //
      try {
        org.omg.IOP.ServiceContext sc = ri.get_request_service_context(REQUEST_CONTEXT_ID.value);
        TEST(sc.context_id == REQUEST_CONTEXT_ID.value);
      } catch (BAD_PARAM ex) {
        TEST(false);
      }

      //
      // Test: get_reply_service_context
      //
      org.omg.IOP.ServiceContext sc = null;
      try {
        sc = ri.get_reply_service_context(REPLY_CONTEXT_4_ID.value);
      } catch (BAD_INV_ORDER ex) {
        TEST(false);
      }
      byte[] data = new byte[sc.context_data.length];
      System.arraycopy(sc.context_data, 0, data, 0, sc.context_data.length);

      Any any = null;
      try {
        any = cdrCodec_.decode_value(data, ReplyContextHelper.type());
      } catch (org.omg.IOP.CodecPackage.FormatMismatch ex) {
        TEST(false);
      } catch (org.omg.IOP.CodecPackage.TypeMismatch ex) {
        TEST(false);
      }
      ReplyContext context = ReplyContextHelper.extract(any);
      TEST(context.data.equals("reply4"));
      TEST(context.val == 114);

      if (addContext) {
        //
        // Test: add_reply_service_context
        //
        context.data = "reply3";
        context.val = 103;
        any = orb_.create_any();
        ReplyContextHelper.insert(any, context);
        try {
          data = cdrCodec_.encode_value(any);
        } catch (org.omg.IOP.CodecPackage.InvalidTypeForEncoding ex) {
          TEST(false);
        }

        sc.context_id = REPLY_CONTEXT_3_ID.value;
        sc.context_data = new byte[data.length];
        System.arraycopy(data, 0, sc.context_data, 0, data.length);

        try {
          ri.add_reply_service_context(sc, false);
        } catch (BAD_INV_ORDER ex) {
          TEST(false);
        }

        //
        // Test: add same context again (no replace)
        //
        try {
          ri.add_reply_service_context(sc, false);
          TEST(false);
        } catch (BAD_INV_ORDER ex) {
          // Expected
        }

        //
        // Test: add same context again (replace)
        //
        try {
          ri.add_reply_service_context(sc, true);
        } catch (BAD_INV_ORDER ex) {
          TEST(false);
        }

        //
        // Test: replace context added in receive_request
        //
        context.data = "reply4";
        context.val = 124;
        ReplyContextHelper.insert(any, context);
        try {
          data = cdrCodec_.encode_value(any);
        } catch (org.omg.IOP.CodecPackage.InvalidTypeForEncoding ex) {
          TEST(false);
        }

        sc.context_id = REPLY_CONTEXT_4_ID.value;
        sc.context_data = new byte[data.length];
        System.arraycopy(data, 0, sc.context_data, 0, data.length);

        try {
          ri.add_reply_service_context(sc, true);
        } catch (BAD_INV_ORDER ex) {
          TEST(false);
        }
      }
    } else {
      try {
        org.omg.IOP.ServiceContext sc = ri.get_request_service_context(REQUEST_CONTEXT_ID.value);
        TEST(false);
      } catch (BAD_PARAM ex) {
        // Expected
      }
      try {
        org.omg.IOP.ServiceContext sc = ri.get_reply_service_context(REPLY_CONTEXT_1_ID.value);
        TEST(false);
      } catch (BAD_PARAM ex) {
        // Expected
      }
    }
  }