/* * Copyright 2000-2016 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.v7.tests.server.component.grid; import static org.junit.Assert.assertTrue; import org.junit.Test; import com.vaadin.v7.ui.Grid; import com.vaadin.v7.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)); } }