undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/awt/Focus/ClearMostRecentFocusOwnerTest.java
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test/jdk/java/awt/Focus/ClearMostRecentFocusOwnerTest.java
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/*
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* Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@bug 4525962
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@summary Opposite component calculated inaccurately
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@key headful
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@run main ClearMostRecentFocusOwnerTest
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*/
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import java.awt.AWTEvent;
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import java.awt.AWTException;
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import java.awt.Button;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.FlowLayout;
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import java.awt.Frame;
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import java.awt.Insets;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.event.AWTEventListener;
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import java.awt.event.FocusEvent;
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import java.awt.event.InputEvent;
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import java.lang.reflect.InvocationTargetException;
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import java.util.concurrent.atomic.AtomicBoolean;
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public class ClearMostRecentFocusOwnerTest implements AWTEventListener {
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final static int ROBOT_DELAY = 50;
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volatile Frame firstFrame;
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volatile Frame secondFrame;
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volatile Button actionButton;
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volatile Button btnToRemove;
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volatile Button btnToHide;
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volatile Button btnToDisable;
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volatile Button btnToNonFocusable;
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volatile Panel pnlToHide;
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volatile Button btnInPanel;
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Robot robot;
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volatile Component opposite = null;
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volatile Component focusOwner = null;
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volatile Object monitor = null;
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public void init() throws InterruptedException,
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InvocationTargetException {
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try {
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robot = new Robot();
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} catch (AWTException e) {
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throw new RuntimeException("Can not create awt-robot.");
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}
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EventQueue.invokeAndWait(() -> {
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firstFrame = new Frame("The First Frame");
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firstFrame.setName("\"1st Frame\"");
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secondFrame = new Frame("The Second Frame");
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secondFrame.setName("\"2nd Frame\"");
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pnlToHide = new Panel();
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pnlToHide.setName("Panel");
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actionButton = new Button("Action Button");
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actionButton.setName("\"" + actionButton.getLabel() + "\"");
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btnToRemove = new Button("To Remove");
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btnToRemove.setName("\"" + btnToRemove.getLabel() + "\"");
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btnToHide = new Button("ToHide");
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btnToHide.setName("\"" + btnToHide.getLabel() + "\"");
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btnToDisable = new Button("To Disable");
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btnToDisable.setName("\"" + btnToDisable.getLabel() + "\"");
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btnToNonFocusable = new Button("To setFocusable(false)");
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btnToNonFocusable.setName("\"" + btnToNonFocusable.getLabel() + "\"");
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btnInPanel = new Button("Int Panel");
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btnInPanel.setName("\"" + btnInPanel.getLabel() + "\"");
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firstFrame.add(actionButton);
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secondFrame.setLayout(new FlowLayout());
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secondFrame.add(btnToRemove);
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secondFrame.add(btnToHide);
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secondFrame.add(btnToDisable);
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secondFrame.add(btnToNonFocusable);
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secondFrame.add(pnlToHide);
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pnlToHide.add(btnInPanel);
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firstFrame.pack();
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firstFrame.setVisible(true);
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secondFrame.pack();
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secondFrame.setLocation(0, firstFrame.getHeight() + 50);
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secondFrame.setVisible(true);
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});
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}
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public void start() throws InterruptedException, InvocationTargetException {
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try {
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Toolkit.getDefaultToolkit().
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addAWTEventListener(this,
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AWTEvent.FOCUS_EVENT_MASK);
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makeFocusOwner(btnToRemove);
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(false);
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secondFrame.remove(btnToRemove);
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});
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makeFocusOwner(actionButton);
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opposite = null;
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(true);
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});
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makeActiveFrame(secondFrame);
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if (opposite != btnToHide) {
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System.out.println("opposite = " + opposite);
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throw new RuntimeException("Test FAILED: wrong opposite after Component.remove().");
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}
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makeFocusOwner(btnToHide);
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(false);
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btnToHide.setVisible(false);
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});
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makeFocusOwner(actionButton);
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opposite = null;
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(true);
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});
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makeActiveFrame(secondFrame);
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if (opposite != btnToDisable) {
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System.out.println("opposite = " + opposite);
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throw new RuntimeException("Test FAILED: wrong opposite after Component.setVisible(false).");
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}
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makeFocusOwner(btnToDisable);
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(false);
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btnToDisable.setEnabled(false);
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});
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makeFocusOwner(actionButton);
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opposite = null;
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(true);
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});
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makeActiveFrame(secondFrame);
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if (opposite != btnToNonFocusable) {
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System.out.println("opposite = " + opposite);
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throw new RuntimeException("Test FAILED: wrong opposite after Component.rsetEnabled(false).");
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}
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makeFocusOwner(btnToNonFocusable);
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(false);
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btnToNonFocusable.setFocusable(false);
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});
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makeFocusOwner(actionButton);
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opposite = null;
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(true);
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});
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makeActiveFrame(secondFrame);
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if (opposite != btnInPanel) {
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System.out.println("opposite = " + opposite);
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throw new RuntimeException("Test FAILED: wrong opposite after Component.setFocusable(false).");
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}
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makeFocusOwner(btnInPanel);
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(false);
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pnlToHide.setVisible(false);
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});
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makeFocusOwner(actionButton);
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opposite = null;
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EventQueue.invokeAndWait(() -> {
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secondFrame.setVisible(true);
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});
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makeActiveFrame(secondFrame);
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if (opposite == btnInPanel) {
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System.out.println("opposite = " + opposite);
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throw new RuntimeException("Test FAILED: wrong opposite after Container.setVisible(false).");
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}
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} finally {
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if (firstFrame != null) {
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EventQueue.invokeAndWait(firstFrame::dispose);
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}
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if (secondFrame != null) {
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EventQueue.invokeAndWait(secondFrame::dispose);
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}
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}
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}
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public void eventDispatched(AWTEvent event) {
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switch (event.getID()) {
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case FocusEvent.FOCUS_GAINED:
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if (focusOwner == ((FocusEvent) event).getComponent()
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&& monitor != null) {
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synchronized (monitor) {
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monitor.notify();
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}
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}
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break;
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case FocusEvent.FOCUS_LOST:
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opposite = ((FocusEvent) event).getOppositeComponent();
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break;
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}
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System.out.println(event);
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}
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void clickOnComponent(Component comp) throws InterruptedException,
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InvocationTargetException {
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System.err.println("clickOnComopnent " + comp.getName());
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robot.delay(3000);
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int[] point = new int[2];
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EventQueue.invokeAndWait(() -> {
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Point origin = comp.getLocationOnScreen();
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Dimension dim = comp.getSize();
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point[0] = origin.x + (int) dim.getWidth() / 2;
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point[1] = origin.y + (int) dim.getHeight() / 2;
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});
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robot.mouseMove(point[0], point[1]);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.delay(ROBOT_DELAY);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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}
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void makeFocusOwner(Component comp) throws InterruptedException,
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InvocationTargetException {
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AtomicBoolean isOwner = new AtomicBoolean(false);
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EventQueue.invokeAndWait(() -> {
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isOwner.set(comp.isFocusOwner());
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});
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if (!isOwner.get()) {
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clickOnComponent(comp);
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try {
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EventQueue.invokeAndWait(() -> {
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isOwner.set(comp.isFocusOwner());
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});
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if (!isOwner.get()) {
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monitor = new Object();
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focusOwner = comp;
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synchronized (monitor) {
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monitor.wait(3000);
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}
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}
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} catch (InterruptedException ie) {
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throw new RuntimeException("Test was interrupted.");
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}
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}
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EventQueue.invokeAndWait(() -> {
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isOwner.set(comp.isFocusOwner());
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});
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if (!isOwner.get()) {
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throw new RuntimeException("Test can not make "
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+ comp.getName() + " a focus owner.");
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}
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}
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void makeActiveFrame(Frame frame) throws InvocationTargetException,
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InterruptedException {
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robot.delay(3000);
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if (!frame.isActive()) {
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System.err.println("frame is not active");
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int[] point = new int[2];
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EventQueue.invokeAndWait(() -> {
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Point origin = frame.getLocationOnScreen();
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Insets ins = frame.getInsets();
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point[0] = origin.x + frame.getWidth() / 2;
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point[1] = origin.y + ins.top / 2;
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});
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robot.mouseMove(point[0], point[1]);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.delay(ROBOT_DELAY);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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}
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robot.delay(3000);
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EventQueue.invokeAndWait(() -> {
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if (!frame.isActive()) {
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throw new RuntimeException("Test can not activate " + frame.getName() + ".");
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}
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});
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}
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public static void main(String[] args) throws InterruptedException, InvocationTargetException {
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ClearMostRecentFocusOwnerTest test = new ClearMostRecentFocusOwnerTest();
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test.init();
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test.start();
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}
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}
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