Quit on window close when the app has no event callback

Without yasl_app_desc.event, a close request had nowhere to go and the
window stayed open. The runner now stops instead, so hello drops its
event callback.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/wayland/test_app_input.c b/tests/wayland/test_app_input.c
index 843f38d..88f9ead 100644
--- a/tests/wayland/test_app_input.c
+++ b/tests/wayland/test_app_input.c
@@ -26,6 +26,15 @@ static void push_key(struct yasl_surface *s)
 static enum yasl_app_result on_init(void *ud, struct yasl_display *d)
 {
     struct test_state *state = ud;
+    if (state->end == 3) {
+        /* With no event callback, a close request alone stops the runner. */
+        struct yasl_surface *s = yasl_surface_create_toplevel(d,
+            &(struct yasl_window_spec){ .title = "App Close Test", .size = {64, 64} });
+        assert(s);
+        struct wayland_surface *w = (struct wayland_surface *)s;
+        w->cbs->close(s, w->ud);
+        return YASL_APP_CONTINUE;
+    }
     if (state->end) {
         struct wayland_display *display = (struct wayland_display *)d;
         if (state->end == 1)
@@ -107,5 +116,10 @@ int main(void)
         });
         assert(end == 1 ? res == 0 : res < 0);
     }
+    state = (struct test_state){.end = 3};
+    res = yasl_run(&(struct yasl_app_desc){
+        .backend = YASL_BACKEND_WAYLAND, .userdata = &state, .init = on_init,
+    });
+    assert(res == 0);
     return 0;
 }