Add T::provider() to allow user to inquire about implementation used

For block ciphers, stream ciphers, hashes, MACs, and cipher modes.
Cipher_Mode already had it, with a slightly different usage.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/tests/tests.h b/src/tests/tests.h
index 43b9e0d3a..1ceb24f48 100644
--- a/src/tests/tests.h
+++ b/src/tests/tests.h
@@ -171,6 +171,8 @@ class Test
 
             bool test_eq(const std::string& what, const char* produced, const char* expected);
 
+            bool test_is_nonempty(const std::string& what_is_it, const std::string& to_examine);
+
             bool test_eq(const std::string& what,
                          const std::string& produced,
                          const std::string& expected);