SplitPositionChangeListenerTest.java example

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/*
 * 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.ui;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import org.junit.Test;

import com.vaadin.server.Sizeable.Unit;
import com.vaadin.ui.AbstractSplitPanel.SplitPositionChangeEvent;
import com.vaadin.ui.AbstractSplitPanel.SplitPositionChangeListener;

/**
 * Test for {@link SplitPositionChangeListener}
 *
 * @author Vaadin Ltd
 */
public class SplitPositionChangeListenerTest {

    @Test
    public void testSplitPositionListenerIsTriggered() throws Exception {
        final HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();
        SplitPositionChangeListener splitPositionChangeListener = mock(
                SplitPositionChangeListener.class);
        splitPanel.addSplitPositionChangeListener(splitPositionChangeListener);
        splitPanel.setSplitPosition(50, Unit.PERCENTAGE);
        verify(splitPositionChangeListener)
                .onSplitPositionChanged(any(SplitPositionChangeEvent.class));
    }
}