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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 java.util.Collection;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.data.util.BeanItemContainerGenerator;
public class TableTest {
Table table;
@Before
public void init() {
table = new Table();
}
@Test
public void initiallyEmpty() {
Assert.assertTrue(table.isEmpty());
}
@Test
public void emptyAfterClearSingleSelect() {
table.setContainerDataSource(
BeanItemContainerGenerator.createContainer(100));
Assert.assertTrue(table.isEmpty());
Object first = table.getContainerDataSource().getItemIds().iterator()
.next();
table.setValue(first);
Assert.assertEquals(first, table.getValue());
Assert.assertFalse(table.isEmpty());
table.clear();
Assert.assertEquals(null, table.getValue());
Assert.assertTrue(table.isEmpty());
}
@Test
public void emptyAfterClearMultiSelect() {
table.setMultiSelect(true);
table.setContainerDataSource(
BeanItemContainerGenerator.createContainer(100));
Assert.assertTrue(table.isEmpty());
Assert.assertArrayEquals(new Object[] {},
((Collection) table.getValue()).toArray());
Object first = table.getContainerDataSource().getItemIds().iterator()
.next();
table.select(first);
Assert.assertArrayEquals(new Object[] { first },
((Collection) table.getValue()).toArray());
Assert.assertFalse(table.isEmpty());
table.clear();
Assert.assertArrayEquals(new Object[] {},
((Collection) table.getValue()).toArray());
Assert.assertTrue(table.isEmpty());
}
}
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