diff --git a/tests/examples/DIR_INFO b/tests/examples/DIR_INFO
new file mode 100644
index 000000000..2c5e28d26
--- /dev/null
+++ b/tests/examples/DIR_INFO
@@ -0,0 +1,3 @@
+working example code
+This directory contains example code which shows how to use specific features.
+All examples will be build and run as part of the testsuite
diff --git a/tests/examples/plugin_main.c b/tests/examples/plugin_main.c
new file mode 100644
index 000000000..b50e74cbc
--- /dev/null
+++ b/tests/examples/plugin_main.c
@@ -0,0 +1,28 @@
+
+
+#include "plugin.h"
+#include "hello_interface.h"
+
+
+int
+main(int argc, char** argv)
+{
+  /*
+    we have a plugin 'hello_1' which provides us 2 hello interfaces, one for english and one for german output,
+    open both try them, close them.
+  */
+
+  struct hello_interface_1* hello_de =
+    cinelerra_interface_open ("hello_1", "german_1", sizeof(struct hello_interface_1));
+  if (!hello) CINELERRA_DIE;
+
+  struct hello_interface_1* hello_en =
+    cinelerra_interface_open ("hello_1", "english_1", sizeof(struct hello_interface_1));
+  if (!hello) CINELERRA_DIE;
+
+  hello_de->say_hello();
+  hello_en->say_hello();
+
+  cinelerra_interface_close (hello_en);
+  cinelerra_interface_close (hello_de);
+}