306 lines
8.6 KiB
Java
306 lines
8.6 KiB
Java
/*
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* Copyright (c) 2016, 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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* @key headful
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* @summary Test of mouse move messages to lightweight components
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* @library ../../regtesthelpers
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* @build Util
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* @compile LightweightEventTest.java
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* @run main LightweightEventTest
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*/
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Container;
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import java.awt.Dimension;
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import java.awt.FontMetrics;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.Insets;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.AWTException;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import javax.swing.SwingUtilities;
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import test.java.awt.regtesthelpers.Util;
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/*
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There are 3 steps to this test :
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1. Two frames are created one with heavy weight component and
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another with light weight component. Each frame has a centrally placed
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button
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2. Mouse is dragged along diagonals of each window using Robot object
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3. Events are noted for mouse in and out of frames & buttons and asserted
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*/
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public class LightweightEventTest {
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private static EventBug HeavyComponent;
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private static EventBug LightComponent;
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private static Robot testRobot;
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public static void main(String[] args) throws Throwable {
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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constructTestUI();
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}
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});
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try {
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testRobot = new Robot();
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} catch (AWTException ex) {
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throw new RuntimeException("Could not initiate a drag operation");
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}
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testRobot.waitForIdle();
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// Method performing auto test operation
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boolean result = test();
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disposeTestUI();
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if (result == false) {
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throw new RuntimeException("Test FAILED!");
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}
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}
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private static boolean test() {
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// Test events for HeavyComponent
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Point loc = HeavyComponent.getLocationOnScreen();
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Dimension size = HeavyComponent.getSize();
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Util.mouseMove(testRobot,
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new Point((int) loc.x + 4, (int) loc.y + 4),
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new Point((int) loc.x + size.width, (int) loc.y + size.height));
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testRobot.waitForIdle();
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boolean HeavyComponentAssert = HeavyComponent.assertEvents(2, 1);
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// Test events for LightComponent
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loc = LightComponent.getLocationOnScreen();
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size = LightComponent.getSize();
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Util.mouseMove(testRobot,
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new Point((int) loc.x + 4, (int) loc.y + 4),
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new Point((int) loc.x + size.width, (int) loc.y + size.height));
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testRobot.waitForIdle();
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boolean LightComponentAssert = LightComponent.assertEvents(2, 1);
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return (HeavyComponentAssert && LightComponentAssert);
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}
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private static void constructTestUI() {
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// here, create the items that will be tested for correct behavior
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HeavyComponent = new EventBug();
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Button b = (Button) HeavyComponent.add("Center", new Button("Heavy"));
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LightComponent = new EventBug();
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BorderedLabel b1 = (BorderedLabel) LightComponent.add("Center",
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new BorderedLabel("Lite"));
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HeavyComponent.addListeners(b);
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LightComponent.addListeners(b1);
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LightComponent.setLocation(200, 0);
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HeavyComponent.setVisible(true);
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LightComponent.setVisible(true);
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}
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private static void disposeTestUI() {
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HeavyComponent.setVisible(false);
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LightComponent.setVisible(false);
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HeavyComponent.dispose();
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LightComponent.dispose();
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}
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}
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/*
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* Lightweight component
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*/
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class BorderedLabel extends Component {
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boolean superIsButton = false;
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String labelString;
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BorderedLabel(String labelString) {
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this.labelString = labelString;
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Component thisComponent = this;
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superIsButton = (thisComponent instanceof Button);
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if (superIsButton) {
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((Button) thisComponent).setLabel(labelString);
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}
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}
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@Override
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public Dimension getMinimumSize() {
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Dimension minSize = new Dimension();
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if (superIsButton) {
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minSize = super.getMinimumSize();
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} else {
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Graphics g = getGraphics();
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FontMetrics metrics = g.getFontMetrics();
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minSize.width = metrics.stringWidth(labelString) + 14;
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minSize.height = metrics.getMaxAscent()
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+ metrics.getMaxDescent() + 9;
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g.dispose();
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g = null;
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}
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return minSize;
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}
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@Override
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public Dimension getPreferredSize() {
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Dimension prefSize;
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if (superIsButton) {
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prefSize = super.getPreferredSize();
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} else {
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prefSize = getMinimumSize();
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}
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return prefSize;
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}
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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Rectangle bounds = getBounds();
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if (superIsButton) {
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return;
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}
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Dimension size = getSize();
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Color oldColor = g.getColor();
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// draw border
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g.setColor(getBackground());
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g.fill3DRect(0, 0, size.width, size.height, false);
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g.fill3DRect(3, 3, size.width - 6, size.height - 6, true);
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// draw text
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FontMetrics metrics = g.getFontMetrics();
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int centerX = size.width / 2;
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int centerY = size.height / 2;
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int textX = centerX - (metrics.stringWidth(labelString) / 2);
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int textY = centerY
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+ ((metrics.getMaxAscent() + metrics.getMaxDescent()) / 2);
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g.setColor(getForeground());
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g.drawString(labelString, textX, textY);
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g.setColor(oldColor);
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}
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} // class BorderedLabel
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class EventBug extends Container {
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Frame testFrame;
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int frameEnters = 0;
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int frameExits = 0;
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int buttonEnters = 0;
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int buttonExits = 0;
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public EventBug() {
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super();
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testFrame = new Frame();
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testFrame.setLayout(new BorderLayout());
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this.setLayout(new BorderLayout());
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testFrame.add("Center", this);
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testFrame.pack();
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testFrame.setVisible(true);
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}
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@Override
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public Dimension getPreferredSize() {
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return new Dimension(100, 100);
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}
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@Override
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public Insets getInsets() {
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return new Insets(20, 20, 20, 20);
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}
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public boolean assertEvents(int expectedFrameEnterEvents,
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int expectedButtonEnterEvents) {
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return (frameEnters == expectedFrameEnterEvents)
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&& (buttonEnters == expectedButtonEnterEvents);
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}
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// Forward to the Window
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@Override
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public void setLocation(int x, int y) {
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testFrame.setLocation(x, y);
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}
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@Override
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public void setVisible(boolean b) {
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testFrame.setVisible(b);
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}
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public void dispose() {
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testFrame.dispose();
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}
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// Add listeners to Frame and button
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public void addListeners(Component b) {
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b.setName("Button");
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b.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseEntered(MouseEvent e) {
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buttonEnters++;
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}
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@Override
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public void mouseExited(MouseEvent e) {
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buttonExits++;
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}
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});
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testFrame.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseEntered(MouseEvent e) {
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frameEnters++;
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}
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@Override
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public void mouseExited(MouseEvent e) {
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frameExits++;
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}
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});
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}
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} // class EventBug
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