WIP fix event bubbling

packages/core/tests/event_propagation.rs

@@ -0,0 +1,64 @@
+use dioxus::prelude::*;
+use dioxus_core::ElementId;
+use std::{rc::Rc, sync::Mutex};
+
+static CLICKS: Mutex<usize> = Mutex::new(0);
+
+#[test]
+fn events_propagate() {
+    let mut dom = VirtualDom::new(app);
+    _ = dom.rebuild();
+
+    // Top-level click is registered
+    dom.handle_event("click", Rc::new(MouseData::default()), ElementId(1), true);
+    assert_eq!(*CLICKS.lock().unwrap(), 1);
+
+    // break reference....
+    for _ in 0..5 {
+        dom.mark_dirty(ScopeId(0));
+        _ = dom.rebuild();
+    }
+
+    // Lower click is registered
+    dom.handle_event("click", Rc::new(MouseData::default()), ElementId(2), true);
+    assert_eq!(*CLICKS.lock().unwrap(), 3);
+
+    // break reference....
+    for _ in 0..5 {
+        dom.mark_dirty(ScopeId(0));
+        _ = dom.rebuild();
+    }
+
+    // Stop propagation occurs
+    dom.handle_event("click", Rc::new(MouseData::default()), ElementId(2), true);
+    assert_eq!(*CLICKS.lock().unwrap(), 3);
+}
+
+fn app(cx: Scope) -> Element {
+    render! {
+        div {
+            onclick: move |_| {
+                println!("top clicked");
+                *CLICKS.lock().unwrap() += 1;
+            },
+
+            problematic_child {}
+        }
+    }
+}
+
+fn problematic_child(cx: Scope) -> Element {
+    render! {
+        button {
+            onclick: move |evt| {
+                let mut clicks = CLICKS.lock().unwrap();
+
+                if *clicks == 3 {
+                    evt.stop_propagation();
+                } else {
+                    *clicks += 1;
+                }
+            }
+        }
+    }
+}

packages/core/tests/fuzzing.rs

@@ -271,10 +271,9 @@ fn create_random_element(cx: Scope<DepthProps>) -> Element {
                 )
                 .into_boxed_str(),
             ));
-            // println!("{template:#?}");
             let node = VNode {
                 key: None,
-                parent: None,
+                parent: Default::default(),
                 template: Cell::new(template),
                 root_ids: bumpalo::collections::Vec::new_in(cx.bump()).into(),
                 dynamic_nodes: {