/*
* Copyright 2003-2011 JetBrains s.r.o.
*
* 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 jetbrains.mps.ide.messages;
import jetbrains.mps.ide.messages.MessageList.FastListModel;
import org.junit.Assert;
import org.junit.Test;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import java.util.Arrays;
import java.util.Collections;
public class MessageViewListModelTest {
private FastListModel<String> myModel = new FastListModel<>(2);
@Test
public void creation() {
Assert.assertEquals(0, myModel.getSize());
}
@Test
public void add() {
myModel.add("abc");
Assert.assertEquals(1, myModel.getSize());
Assert.assertEquals("abc", myModel.getElementAt(0));
}
@Test
public void removeFirst() {
myModel.add("abc");
myModel.removeFirst();
Assert.assertEquals(0, myModel.getSize());
}
@Test(expected = RuntimeException.class)
public void removeFirstOnEmpty() {
myModel.removeFirst();
}
@Test(expected = RuntimeException.class)
public void overflow() {
myModel.add("abc");
myModel.add("def");
myModel.add("hij");
}
@Test
public void constantSize() {
myModel.add("a");
myModel.add("b");
myModel.removeFirst();
myModel.add("c");
myModel.removeFirst();
myModel.add("d");
Assert.assertEquals(2, myModel.getSize());
Assert.assertEquals("c", myModel.getElementAt(0));
Assert.assertEquals("d", myModel.getElementAt(1));
}
@Test
public void clear() {
myModel.add("abc");
myModel.clear();
Assert.assertEquals(0, myModel.getSize());
}
@Test
public void addAllOne() {
myModel.addListDataListener(new MyListDataListener() {
int addedOnce = 1;
@Override
public void intervalAdded(ListDataEvent e) {
Assert.assertTrue(--addedOnce == 0);
}
});
myModel.addAll(Collections.singletonList("b"));
Assert.assertEquals(1, myModel.getSize());
}
@Test
public void addAllTwo() {
myModel.addListDataListener(new MyListDataListener() {
int addedOnce = 1;
@Override
public void intervalAdded(ListDataEvent e) {
Assert.assertTrue(--addedOnce == 0);
}
});
myModel.addAll(Arrays.asList("a", "b"));
Assert.assertEquals(2, myModel.getSize());
}
@Test
public void addAllNone() {
myModel.addListDataListener(new MyListDataListener());
myModel.addAll(Collections.emptyList());
}
@Test(expected = RuntimeException.class)
public void addAllOverflow() {
myModel.addListDataListener(new MyListDataListener());
myModel.addAll(Arrays.asList("a", "b", "c"));
Assert.assertTrue(false);
}
@Test
public void removeFirstOne() {
myModel.add("a");
myModel.add("b");
myModel.addListDataListener(new MyListDataListener() {
int removedOnce = 1;
@Override
public void intervalRemoved(ListDataEvent e) {
Assert.assertTrue(--removedOnce == 0);
}
});
myModel.removeFirst(1);
Assert.assertEquals(1, myModel.getSize());
}
@Test
public void removeFirstTwo() {
myModel.add("a");
myModel.add("b");
myModel.addListDataListener(new MyListDataListener() {
int removedOnce = 1;
@Override
public void intervalRemoved(ListDataEvent e) {
Assert.assertTrue(--removedOnce == 0);
}
});
myModel.removeFirst(2);
Assert.assertEquals(0, myModel.getSize());
}
@Test(expected = RuntimeException.class)
public void removeFirstUnderflow() {
myModel.add("a");
myModel.add("b");
myModel.addListDataListener(new MyListDataListener());
myModel.removeFirst(3);
Assert.assertTrue(false);
}
@Test(expected = IllegalArgumentException.class)
public void removeFirstIllegal() {
myModel.addListDataListener(new MyListDataListener());
myModel.removeFirst(0);
Assert.assertTrue(false);
}
private static class MyListDataListener implements ListDataListener {
@Override
public void intervalAdded(ListDataEvent e) {
Assert.assertTrue(false);
}
@Override
public void intervalRemoved(ListDataEvent e) {
Assert.assertTrue(false);
}
@Override
public void contentsChanged(ListDataEvent e) {
Assert.assertTrue(false);
}
}
}