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AccordionTitlePaneLeakTest.java
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AccordionTitlePaneLeakTest.java
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/*
* Copyright (c) 2019, 2023, 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.javafx.scene.control;
import java.lang.ref.WeakReference;
import java.util.concurrent.CountDownLatch;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.scene.Scene;
import javafx.scene.control.Accordion;
import javafx.scene.control.TitledPane;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import test.util.Util;
import test.util.memory.JMemoryBuddy;
public class AccordionTitlePaneLeakTest {
static private CountDownLatch startupLatch;
static private Accordion accordion;
static private StackPane root;
static private Stage stage;
private WeakReference<TitledPane> weakRefToPane;
public static class TestApp extends Application {
@Override
public void start(Stage primaryStage) throws Exception {
stage = primaryStage;
accordion = new Accordion();
root = new StackPane(accordion);
stage.setScene(new Scene(root));
stage.setOnShown(l -> {
Platform.runLater(() -> startupLatch.countDown());
});
stage.show();
}
}
@BeforeClass
public static void initFX() throws Exception {
startupLatch = new CountDownLatch(1);
Util.launch(startupLatch, TestApp.class);
}
@AfterClass
public static void teardownOnce() {
Util.shutdown(stage);
}
@Test
public void testForTitledPaneLeak() throws Exception {
Util.runAndWait(() -> {
TitledPane pane = new TitledPane();
accordion.getPanes().add(pane);
weakRefToPane = new WeakReference<>(pane);
pane = null;
accordion.getPanes().clear();
});
JMemoryBuddy.assertCollectable(weakRefToPane);
}
}