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/*
* Copyright (c) 1999, 2024, 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.
*
* 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.
*/
import java.awt.Choice;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/*
* @test
* @bug 4075194
* @summary 4075194, Choice may not be displayed at the location requested
* @key headful
*/
public class ChoicePosTest {
private static Robot robot;
private static Frame frame;
private static final int GAP = 10;
private static volatile Choice c1,c2;
public static void main(String[] args) throws Exception {
try {
EventQueue.invokeAndWait(ChoicePosTest::createAndShowGUI);
robot = new Robot();
robot.waitForIdle();
robot.delay(500);
captureAndTestChoices();
} finally {
EventQueue.invokeAndWait(frame::dispose);
}
System.out.println("Passed");
}
private static void createAndShowGUI() {
frame = new Frame("ChoicePosTest");
Insets insets = frame.getInsets();
frame.setSize( insets.left + 400 + insets.right, insets.top + 400 + insets.bottom );
frame.setBackground(Color.RED);
frame.setLayout(null);
frame.setLocationRelativeTo(null);
c1 = new Choice();
c1.setBackground(Color.GREEN);
frame.add( c1 );
c1.setBounds( 20, 50, 100, 100 );
c2 = new Choice();
c2.setBackground(Color.GREEN);
frame.add(c2);
c2.addItem("One");
c2.addItem("Two");
c2.addItem("Three");
c2.setBounds( 125, 50, 100, 100 );
frame.validate();
frame.setVisible(true);
}
private static void captureAndTestChoices() {
Point c1loc = c1.getLocationOnScreen();
Point c2loc = c2.getLocationOnScreen();
int startX = c1loc.x - GAP;
int startY = c1loc.y - GAP;
int captureWidth = c2loc.x + c2.getWidth() + GAP - startX;
int captureHeight = c2loc.y + c2.getHeight() + GAP - startY;
BufferedImage bi = robot.createScreenCapture(
new Rectangle(startX, startY, captureWidth, captureHeight)
);
int redPix = Color.RED.getRGB();
int lastNonRedCount = 0;
for (int y = 0; y < captureHeight; y++) {
int nonRedCount = 0;
for (int x = 0; x < captureWidth; x++) {
int pix = bi.getRGB(x, y);
if (pix != redPix) {
nonRedCount++;
}
}
if (nonRedCount > 0 && lastNonRedCount > 0) {
if (lastNonRedCount - nonRedCount > 0) {
System.err.printf(
"Failed at %d, nonRedCount: %d lastNonRedCount: %d\n",
y, nonRedCount, lastNonRedCount
);
try {
ImageIO.write(bi, "png", new File("choices.png"));
} catch (IOException ignored) {
}
throw new RuntimeException("Choices are not aligned");
}
}
lastNonRedCount = nonRedCount;
}
}
}
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