Test case for #3292

svn changeset:8742/svn branch:6.1

diff --git a/src/com/vaadin/tests/components/tabsheet/TabsheetNPE.java b/src/com/vaadin/tests/components/tabsheet/TabsheetNPE.java
new file mode 100644 (file)
index 0000000..a9ebd2d
--- /dev/null
+++ b/src/com/vaadin/tests/components/tabsheet/TabsheetNPE.java
@@ -0,0 +1,59 @@
+package com.vaadin.tests.components.tabsheet;\r
+\r
+import com.vaadin.tests.components.AbstractTestCase;\r
+import com.vaadin.ui.Button;\r
+import com.vaadin.ui.Label;\r
+import com.vaadin.ui.TabSheet;\r
+import com.vaadin.ui.VerticalLayout;\r
+import com.vaadin.ui.Window;\r
+import com.vaadin.ui.Button.ClickEvent;\r
+import com.vaadin.ui.Button.ClickListener;\r
+import com.vaadin.ui.TabSheet.Tab;\r
+\r
+public class TabsheetNPE extends AbstractTestCase implements ClickListener {\r
+\r
+    @Override\r
+    protected String getDescription() {\r
+        return "Enable and activate tab should enable and activate the first tab.";\r
+    }\r
+\r
+    @Override\r
+    protected Integer getTicketNumber() {\r
+        return 3292;\r
+    }\r
+\r
+    private static final int TABS_COUNT = 3;\r
+    private TabSheet tabSheet;\r
+    private Label[] label = new Label[TABS_COUNT];\r
+    private Tab[] tab = new Tab[TABS_COUNT];\r
+\r
+    @Override\r
+    public void init() {\r
+        setMainWindow(new Window("TabSheet Demo", createMainLayout()));\r
+    }\r
+\r
+    private VerticalLayout createMainLayout() {\r
+        VerticalLayout layout = new VerticalLayout();\r
+\r
+        tabSheet = new TabSheet();\r
+        for (int i = 1; i <= TABS_COUNT; i++) {\r
+            label[i - 1] = new Label("Tab " + i);\r
+            tab[i - 1] = tabSheet.addTab(label[i - 1], "Tab " + i, null);\r
+            tab[i - 1].setEnabled(false);\r
+        }\r
+\r
+        layout.addComponent(tabSheet);\r
+        Button btn = new Button("Enable and activate tab");\r
+        btn.addListener(this);\r
+        layout.addComponent(btn);\r
+        return layout;\r
+    }\r
+\r
+    public void buttonClick(ClickEvent event) {\r
+        for (int i = 0; i < TABS_COUNT; i++) {\r
+            tab[i].setEnabled(true);\r
+        }\r
+        tabSheet.setSelectedTab(label[0]);\r
+    }\r
+\r
+}\r