1 files changed, 77 insertions, 0 deletions
diff --git a/uitest/src/com/vaadin/tests/application/ResynchronizeAfterAsyncRemoval.java b/uitest/src/com/vaadin/tests/application/ResynchronizeAfterAsyncRemoval.java
new file mode 100644
index 0000000000..d8f7fface3
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/application/ResynchronizeAfterAsyncRemoval.java
@@ -0,0 +1,77 @@
+package com.vaadin.tests.application;
+
+import java.lang.reflect.Field;
+import java.util.Map;
+import java.util.Set;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUIWithLog;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.ConnectorTracker;
+import com.vaadin.ui.Window;
+
+public class ResynchronizeAfterAsyncRemoval extends AbstractTestUIWithLog {
+
+    @Override
+    public void setup(VaadinRequest vaadinRequest) {
+        final Window window = new Window("Asynchronously removed window");
+        window.center();
+
+        // The window will enqueue a non-immediate message reporting its current
+        // position.
+        addWindow(window);
+
+        // Remove window immediately when the current response is sent
+        runAfterResponse(new Runnable() {
+            @Override
+            public void run() {
+                removeWindow(window);
+            }
+        });
+
+        // Clicking the button will trigger sending the window coordinates, but
+        // the window is already removed at that point.
+        addComponent(new Button("Am I dirty?", new Button.ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                log("Window removed: " + (window.getParent() == null));
+
+                boolean dirty = getUI().getConnectorTracker().isDirty(
+                        event.getButton());
+                log("Dirty: " + dirty);
+            }
+        }));
+        addComponent(new Button("Log unregistered connector count",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        logUnregisteredConnectorCount();
+                    }
+                }));
+    }
+
+    private void logUnregisteredConnectorCount() {
+        int count = 0;
+
+        Map<Integer, Set<String>> unregisterIdMap = getUnregisterIdMap();
+        for (Set<String> set : unregisterIdMap.values()) {
+            count += set.size();
+        }
+        log("syncId: " + getConnectorTracker().getCurrentSyncId());
+        log("Unregistered connector count: " + count);
+    }
+
+    @SuppressWarnings("unchecked")
+    private Map<Integer, Set<String>> getUnregisterIdMap() {
+        try {
+            ConnectorTracker tracker = getConnectorTracker();
+            Field field = tracker.getClass().getDeclaredField(
+                    "syncIdToUnregisteredConnectorIds");
+            field.setAccessible(true);
+            return (Map<Integer, Set<String>>) field.get(tracker);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
+\ No newline at end of file