1 files changed, 41 insertions, 0 deletions
diff --git a/server/tests/src/com/vaadin/tests/server/component/grid/GridExtensionTest.java b/server/tests/src/com/vaadin/tests/server/component/grid/GridExtensionTest.java
new file mode 100644
index 0000000000..d9db217aa3
--- /dev/null
+++ b/server/tests/src/com/vaadin/tests/server/component/grid/GridExtensionTest.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.server.component.grid;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.Grid.AbstractGridExtension;
+
+public class GridExtensionTest {
+
+    public static class DummyGridExtension extends AbstractGridExtension {
+
+        public DummyGridExtension(Grid grid) {
+            super(grid);
+        }
+    }
+
+    @Test
+    public void testCreateExtension() {
+        Grid grid = new Grid();
+        DummyGridExtension dummy = new DummyGridExtension(grid);
+        assertTrue("DummyGridExtension never made it to Grid", grid
+                .getExtensions().contains(dummy));
+    }
+}