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BehaviorCleanupTest.java
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BehaviorCleanupTest.java
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/*
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package test.com.sun.javafx.scene.control.behavior;
import java.lang.ref.WeakReference;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.sun.javafx.scene.control.behavior.BehaviorBase;
import com.sun.javafx.scene.control.behavior.ListCellBehavior;
import static javafx.collections.FXCollections.*;
import static org.junit.Assert.*;
import static test.com.sun.javafx.scene.control.infrastructure.ControlSkinFactory.*;
import javafx.scene.control.ListView;
/**
* Test for misbehavior of individual implementations that turned
* up in binch testing.
*
*/
public class BehaviorCleanupTest {
// ---------- ListView
/**
* Test cleanup of listener to itemsProperty.
*/
@Test
public void testListViewBehaviorDisposeSetItems() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
WeakReference<BehaviorBase<?>> weakRef = new WeakReference<>(createBehavior(listView));
weakRef.get().dispose();
int last = 1;
ListCellBehavior.setAnchor(listView, last, false);
listView.setItems(observableArrayList("other", "again"));
assertEquals("sanity: anchor unchanged", last, listView.getProperties().get("anchor"));
listView.getItems().remove(0);
assertEquals("anchor must not be updated on items modification when disposed",
last, listView.getProperties().get("anchor"));
}
@Test
public void testListViewBehaviorSetItems() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
createBehavior(listView);
int last = 1;
ListCellBehavior.setAnchor(listView, last, false);
listView.setItems(observableArrayList("other", "again"));
assertEquals("sanity: anchor unchanged", last, listView.getProperties().get("anchor"));
listView.getItems().remove(0);
assertEquals("anchor must be updated on items modification",
last -1, listView.getProperties().get("anchor"));
}
/**
* Test cleanup of itemsList listener in ListViewBehavior.
*/
@Test
public void testListViewBehaviorDisposeRemoveItem() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
WeakReference<BehaviorBase<?>> weakRef = new WeakReference<>(createBehavior(listView));
weakRef.get().dispose();
int last = 1;
ListCellBehavior.setAnchor(listView, last, false);
listView.getItems().remove(0);
assertEquals("anchor must not be updated on items modification when disposed",
last,
listView.getProperties().get("anchor"));
}
@Test
public void testListViewBehaviorRemoveItem() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
createBehavior(listView);
int last = 1;
ListCellBehavior.setAnchor(listView, last, false);
assertEquals("behavior must set anchor on select", last, listView.getProperties().get("anchor"));
listView.getItems().remove(0);
assertEquals("anchor must be updated on items modification",
last -1, listView.getProperties().get("anchor"));
}
/**
* Test cleanup of selection listeners in ListViewBehavior.
*/
@Test
public void testListViewBehaviorDisposeSelect() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
WeakReference<BehaviorBase<?>> weakRef = new WeakReference<>(createBehavior(listView));
listView.getSelectionModel().select(1);
weakRef.get().dispose();
listView.getSelectionModel().select(0);
assertNull("anchor must remain cleared on selecting when disposed",
listView.getProperties().get("anchor"));
}
@Test
public void testListViewBehaviorSelect() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
createBehavior(listView);
int last = 1;
listView.getSelectionModel().select(last);
assertEquals("anchor must be set", last, listView.getProperties().get("anchor"));
}
@Test
public void testListViewBehaviorDispose() {
ListView<String> listView = new ListView<>(observableArrayList("one", "two"));
WeakReference<BehaviorBase<?>> weakRef = new WeakReference<>(createBehavior(listView));
listView.getSelectionModel().select(1);
weakRef.get().dispose();
assertNull("anchor must be cleared after dispose", listView.getProperties().get("anchor"));
}
//------------------ setup/cleanup
@After
public void cleanup() {
Thread.currentThread().setUncaughtExceptionHandler(null);
}
@Before
public void setup() {
Thread.currentThread().setUncaughtExceptionHandler((thread, throwable) -> {
if (throwable instanceof RuntimeException) {
throw (RuntimeException)throwable;
} else {
Thread.currentThread().getThreadGroup().uncaughtException(thread, throwable);
}
});
}
}