1 files changed, 113 insertions, 0 deletions
diff --git a/uitest/src/com/vaadin/tests/application/ThreadLocalInstances.java b/uitest/src/com/vaadin/tests/application/ThreadLocalInstances.java
new file mode 100644
index 0000000000..0e7dd1b242
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/application/ThreadLocalInstances.java
@@ -0,0 +1,113 @@
+package com.vaadin.tests.application;
+
+import com.vaadin.Application;
+import com.vaadin.UIRequiresMoreInformationException;
+import com.vaadin.server.DownloadStream;
+import com.vaadin.server.PaintException;
+import com.vaadin.server.WrappedRequest;
+import com.vaadin.tests.components.AbstractTestApplication;
+import com.vaadin.tests.integration.FlagSeResource;
+import com.vaadin.tests.util.Log;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.Embedded;
+import com.vaadin.ui.UI;
+
+public class ThreadLocalInstances extends AbstractTestApplication {
+    private static final Application staticInitApplication = Application
+            .getCurrent();
+    private static final UI staticInitRoot = UI.getCurrent();
+
+    private final UI mainWindow = new UI() {
+        boolean paintReported = false;
+
+        @Override
+        protected void init(WrappedRequest request) {
+            reportCurrentStatus("root init");
+        }
+
+        @Override
+        public void paintContent(com.vaadin.server.PaintTarget target)
+                throws PaintException {
+            if (!paintReported) {
+                reportCurrentStatus("root paint");
+                Thread thread = new Thread() {
+                    @Override
+                    public void run() {
+                        synchronized (ThreadLocalInstances.this) {
+                            reportCurrentStatus("background thread");
+                        }
+                    }
+                };
+                thread.start();
+                paintReported = true;
+            }
+            super.paintContent(target);
+        }
+    };
+
+    private final FlagSeResource resource = new FlagSeResource() {
+        @Override
+        public DownloadStream getStream() {
+            reportCurrentStatus("resource handler");
+            return super.getStream();
+        }
+    };
+
+    private final Log log = new Log(16);
+
+    public ThreadLocalInstances() {
+        mainWindow.addComponent(log);
+        mainWindow.addComponent(new Embedded("Icon", resource));
+        mainWindow.addComponent(new Button("Sync", new Button.ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                reportCurrentStatus("button listener");
+            }
+        }));
+
+        reportStatus("class init", staticInitApplication, staticInitRoot);
+        reportCurrentStatus("app constructor");
+    }
+
+    @Override
+    public void init() {
+        reportCurrentStatus("app init");
+    }
+
+    @Override
+    protected UI getUI(WrappedRequest request)
+            throws UIRequiresMoreInformationException {
+        return mainWindow;
+    }
+
+    @Override
+    protected String getTestDescription() {
+        return "Tests the precence of Application.getCurrentApplication() and UI.getCurrentRoot() from different contexts";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return Integer.valueOf(7895);
+    }
+
+    private void reportCurrentStatus(String phase) {
+        reportStatus(phase, Application.getCurrent(), UI.getCurrent());
+    }
+
+    private void reportStatus(String phase, Application application, UI uI) {
+        log.log(getState(application, this) + " app in " + phase);
+        log.log(getState(uI, mainWindow) + " root in " + phase);
+    }
+
+    private static String getState(Object value, Object reference) {
+        if (value == null) {
+            return "null";
+        } else if (value == reference) {
+            return "this";
+        } else {
+            return value.toString();
+        }
+    }
+
+}