1 files changed, 1 insertions, 0 deletions
diff --git a/tests/sdl_key.c b/tests/sdl_key.c
index 6a5ad694..f82f8e72 100644
--- a/tests/sdl_key.c
+++ b/tests/sdl_key.c
@@ -23,6 +23,7 @@ void one() {
             if (event.key.keysym.scancode == SDL_SCANCODE_B) {
               printf("b scancode\n"); result *= 17; break;
             }
+            printf("unknown key: sym %d scancode %d\n", event.key.keysym.sym, event.key.keysym.scancode);
             REPORT_RESULT();
             emscripten_run_script("throw 'done'");
           }