vaadin-framework/server/src/test/java/com/vaadin/tests/server/ExtensionTest.java

/*
 * 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;

import org.junit.Test;

import com.vaadin.legacy.ui.LegacyTextField;
import com.vaadin.server.AbstractClientConnector;
import com.vaadin.server.AbstractExtension;
import com.vaadin.ui.Label;

public class ExtensionTest {

    public static class DummyExtension extends AbstractExtension {
        public DummyExtension(AbstractClientConnector target) {
            super(target);
        }
    }

    @Test(expected = IllegalArgumentException.class)
    public void testRemoveExtensionFromWrongConnector() {
        Label l = new Label();
        LegacyTextField t = new LegacyTextField();
        t.removeExtension(new DummyExtension(l));
    }

}