From d6ee37b106ffdb4d5c07d9f58ae1845b98125afe Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Wed, 15 Jul 2015 00:33:43 +0200
Subject: Check if there are test vector files in a given test dir

---
 src/tests/tests.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/tests/tests.cpp b/src/tests/tests.cpp
index ebb34227d..0599def2a 100644
--- a/src/tests/tests.cpp
+++ b/src/tests/tests.cpp
@@ -28,8 +28,14 @@ size_t run_tests_in_dir(const std::string& dir, std::function<size_t (const std:
    {
    size_t fails = 0;
 
-   for(auto vec: Botan::list_all_readable_files_in_or_under(dir))
-      fails += fn(vec);
+   auto files = Botan::list_all_readable_files_in_or_under(dir);
+   if (files.empty())
+      {
+      std::cout << "Warning: No test files found in '" << dir << "'" << std::endl;
+      }
+
+   for(const auto file: files)
+      fails += fn(file);
    return fails;
    }
 
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