1 files changed, 2 insertions, 0 deletions
diff --git a/src/tests/test_rng.h b/src/tests/test_rng.h
index b3da5f08a..6a5052973 100644
--- a/src/tests/test_rng.h
+++ b/src/tests/test_rng.h
@@ -54,6 +54,8 @@ class Fixed_Output_RNG : public Botan::RandomNumberGenerator
          }
 
       Fixed_Output_RNG() {}
+   protected:
+      size_t remaining() const { return buf.size(); }
    private:
       std::deque<byte> buf;
    };