1 files changed, 13 insertions, 0 deletions
diff --git a/tests/x11/test_tablet.c b/tests/x11/test_tablet.c
index c35a266..ba815cb 100644
--- a/tests/x11/test_tablet.c
+++ b/tests/x11/test_tablet.c
@@ -341,6 +341,19 @@ int main(void)
     xi_pointer_event(&surface, &sample);
     ev = next(&surface);
     assert(ev.device == YASL_PTR_DEV_MOUSE && ev.button == 2 && ev.pen.pressure == 0);
+    for (int button = 4; button <= 7; button++) {
+        sample.detail = button;
+        sample.evtype = XI_ButtonPress;
+        xi_pointer_event(&surface, &sample);
+        ev = next(&surface);
+        assert(ev.kind == YASL_PTR_SCROLL);
+        assert(ev.scroll.x == (button == 6 ? -1 : button == 7 ? 1 : 0));
+        assert(ev.scroll.y == (button == 4 ? -1 : button == 5 ? 1 : 0));
+        sample.evtype = XI_ButtonRelease;
+        xi_pointer_event(&surface, &sample);
+        struct yasl_input_event unused;
+        assert(!yasl_surface_input_poll(&surface.base, &unused));
+    }
     assert(pointer_button(2) == 1 && pointer_button(8) == 3);
     pointer.pressure = (struct tablet_axis){2, 1, 1, 50};
     assert(pressure_value(&pointer.pressure) == 0);