1 files changed, 100 insertions, 0 deletions
diff --git a/uitest/src/com/vaadin/tests/tickets/Ticket3146.java b/uitest/src/com/vaadin/tests/tickets/Ticket3146.java
new file mode 100644
index 0000000000..7973ffa496
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/tickets/Ticket3146.java
@@ -0,0 +1,100 @@
+package com.vaadin.tests.tickets;
+
+import java.util.Collection;
+import java.util.HashSet;
+
+import com.vaadin.Application;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.UI.LegacyWindow;
+import com.vaadin.ui.Table;
+import com.vaadin.ui.TextField;
+
+public class Ticket3146 extends Application.LegacyApplication {
+
+    Table table;
+    TextField result;
+
+    @Override
+    public void init() {
+        LegacyWindow mainWindow = new LegacyWindow("Test");
+
+        table = new Table();
+        table.addContainerProperty("Items", String.class, null);
+        table.addItem(new String[] { "a" }, "a");
+        table.addItem(new String[] { "b" }, "b");
+        table.addItem(new String[] { "c" }, "c");
+        for (int i = 1; i < 100; ++i) {
+            table.addItem(new String[] { "Item " + i }, "Item " + i);
+        }
+        table.setMultiSelect(true);
+        table.setSelectable(true);
+        table.setImmediate(true);
+        table.setHeight("200px");
+        table.setWidth("200px");
+        mainWindow.addComponent(table);
+
+        Button clearButton = new Button("Clear selection",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        clearSelection();
+                    }
+                });
+        mainWindow.addComponent(clearButton);
+        Button clearButton2 = new Button("Clear selection 2",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        clearSelection2();
+                    }
+                });
+        mainWindow.addComponent(clearButton2);
+        Button clearButton3 = new Button("Clear selection 3",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        clearSelection3();
+                    }
+                });
+        mainWindow.addComponent(clearButton3);
+        Button printButton = new Button("Print selection",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        printSelection();
+                    }
+                });
+        mainWindow.addComponent(printButton);
+
+        result = new TextField();
+        result.setHeight("200px");
+        result.setWidth("200px");
+        mainWindow.addComponent(result);
+
+        setMainWindow(mainWindow);
+    }
+
+    void clearSelection() {
+        table.setValue(null);
+    }
+
+    void clearSelection2() {
+        table.setValue(new HashSet<Object>());
+    }
+
+    void clearSelection3() {
+        table.unselect("a");
+        table.unselect("b");
+        table.unselect("c");
+    }
+
+    void printSelection() {
+        String selection = "";
+        for (Object item : (Collection<?>) table.getValue()) {
+            selection = selection + item + ' ';
+        }
+        result.setValue(selection);
+    }
+
+}