diff --git a/test/default/generichash.c b/test/default/generichash.c
index d5fc68cd..35e789a0 100644
--- a/test/default/generichash.c
+++ b/test/default/generichash.c
@@ -20,5 +20,18 @@ int main(void)
         }
         printf("\n");
     }
+
+    assert(crypto_generichash_bytes_min() > 0U);
+    assert(crypto_generichash_bytes_max() > 0U);
+    assert(crypto_generichash_bytes() > 0U);
+    assert(crypto_generichash_bytes() >= crypto_generichash_bytes_min());
+    assert(crypto_generichash_bytes() <= crypto_generichash_bytes_max());
+    assert(crypto_generichash_keybytes_min() >= 0U);
+    assert(crypto_generichash_keybytes_max() > 0U);
+    assert(crypto_generichash_keybytes() > 0U);
+    assert(crypto_generichash_keybytes() >= crypto_generichash_keybytes_min());
+    assert(crypto_generichash_keybytes() <= crypto_generichash_keybytes_max());
+    assert(strcmp(crypto_generichash_primitive(), "blake2b") == 0);
+
     return 0;
 }
diff --git a/test/default/hash.c b/test/default/hash.c
index 39c9923f..283d07d3 100644
--- a/test/default/hash.c
+++ b/test/default/hash.c
@@ -11,5 +11,11 @@ int main(void)
   crypto_hash(h,x,sizeof x - 1U);
   for (i = 0;i < crypto_hash_BYTES;++i) printf("%02x",(unsigned int) h[i]);
   printf("\n");
+
+  assert(crypto_hash_bytes() > 0U);
+  assert(strcmp(crypto_hash_primitive(), "sha512") == 0);
+  assert(crypto_hash_sha256_bytes() > 0U);
+  assert(crypto_hash_sha512_bytes() == crypto_hash_bytes());
+
   return 0;
 }
diff --git a/test/default/onetimeauth.c b/test/default/onetimeauth.c
index cd5ff926..1de1e3ab 100644
--- a/test/default/onetimeauth.c
+++ b/test/default/onetimeauth.c
@@ -39,5 +39,11 @@ int main(void)
     printf(",0x%02x",(unsigned int) a[i]);
     if (i % 8 == 7) printf("\n");
   }
+  assert(crypto_onetimeauth_bytes() > 0U);
+  assert(crypto_onetimeauth_keybytes() > 0U);
+  assert(strcmp(crypto_onetimeauth_primitive(), "poly1305") == 0);
+  assert(crypto_onetimeauth_poly1305_bytes() == crypto_onetimeauth_bytes());
+  assert(crypto_onetimeauth_poly1305_keybytes() == crypto_onetimeauth_keybytes());
+
   return 0;
 }