* ext/dl/lib/dl/import.rb (handler): add a more helpful error message

  when calling import_symbol or import_function without calling
  dlload.  Thanks nobu! [ruby-core:30996]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/test/dl/test_import.rb b/test/dl/test_import.rb
index 56a417f9ab..64cbf53fbc 100644
--- a/test/dl/test_import.rb
+++ b/test/dl/test_import.rb
@@ -41,6 +41,15 @@ module DL
   end
 
   class TestImport < TestBase
+    def test_ensure_call_dlload
+      err = assert_raises(RuntimeError) do
+        Class.new do
+          extend DL::Importer
+          extern "void *strcpy(char*, char*)"
+        end
+      end
+    end
+
     def test_malloc()
       s1 = LIBC::Timeval.malloc()
       s2 = LIBC::Timeval.malloc()