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package com.vaadin.ui;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.data.provider.ListDataProvider;
public class AbstractMultiSelectUsingIdTest {
public TwinColSelect<ItemWithId> selectToTest;
public static class ItemWithId {
private int id;
public ItemWithId() {
}
public ItemWithId(int id) {
this.id = id;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
}
@Before
public void setUp() {
selectToTest = new TwinColSelect<>();
List<ItemWithId> items = new ArrayList<>();
items.add(new ItemWithId(3));
items.add(new ItemWithId(2));
items.add(new ItemWithId(1));
items.add(new ItemWithId(8));
items.add(new ItemWithId(7));
items.add(new ItemWithId(4));
items.add(new ItemWithId(6));
ListDataProvider<ItemWithId> dataProvider = new ListDataProvider<ItemWithId>(
items) {
@Override
public Object getId(ItemWithId item) {
return item.getId();
}
};
selectToTest.setDataProvider(dataProvider);
}
@Test
public void selectTwiceSelectsOnce() {
selectToTest.select(new ItemWithId(1));
assertSelectionOrder(1);
selectToTest.select(new ItemWithId(1));
assertSelectionOrder(1);
}
@Test
public void deselectWorks() {
selectToTest.select(new ItemWithId(1));
selectToTest.deselect(new ItemWithId(1));
assertSelectionOrder();
}
private void assertSelectionOrder(Integer... selectionOrder) {
List<Integer> asList = Arrays.asList(selectionOrder);
assertEquals(asList, selectToTest.getSelectedItems().stream()
.map(ItemWithId::getId).collect(Collectors.toList()));
}
}
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