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8273043: [TEST_BUG] Automate NimbusJTreeSelTextColor.java
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Backport-of: 270a9d929307dce52e6961e57492c03a633ed044
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@GoeLin
GoeLin committed Sep 16, 2022
1 parent fec638f commit 28df1d9
Showing 1 changed file with 91 additions and 101 deletions.
192 changes: 91 additions & 101 deletions test/jdk/javax/swing/plaf/nimbus/NimbusJTreeSelTextColor.java
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*/
/*
* @test
* @bug 8266510 8271315
* @summary Verifies Nimbus JTree default tree cell renderer use selected text color
* @run main/manual NimbusJTreeSelTextColor
* @bug 8266510 8271315 8273043
* @summary Verifies Nimbus JTree default tree cell renderer uses selected text color
* @requires os.family != "mac"
* @run main/othervm -Dawt.useSystemAAFontSettings=off NimbusJTreeSelTextColor
*/
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import java.awt.Color;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.GridBagConstraints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JComponent;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.UIManager;
import javax.swing.tree.DefaultTreeCellRenderer;

import static java.awt.image.BufferedImage.TYPE_INT_RGB;

public class NimbusJTreeSelTextColor {

private static JFrame frame;
private static JTree tree;
private static DefaultTreeCellRenderer treeCellRenderer;
private static volatile CountDownLatch countDownLatch;
private static volatile boolean testResult;
private static int iconOffset;
private static Color foregroundColor;
private static Color backgroundColor;

private static volatile Exception testFailed;

private static final String INSTRUCTIONS = "INSTRUCTIONS:\n\n"
+ "Verify selected text color is same as selected tree leaf icon color.\n "
+ "If the color is same ie, white\n"
+ "then press Pass otherwise press Fail.";
private static final String FILENAME = "image.png";

public static void main(String args[]) throws Exception{
countDownLatch = new CountDownLatch(1);
public static void main(String[] args) throws Exception {
final boolean showFrame = args.length >= 1 && args[0].equals("-show");

SwingUtilities.invokeAndWait(NimbusJTreeSelTextColor::createUI);
countDownLatch.await(5, TimeUnit.MINUTES);
// Disable text antialiasing
System.setProperty("awt.useSystemAAFontSettings", "off");

if (!testResult) {
throw new RuntimeException("Selected text color not same as selected tree leaf icon color!");
SwingUtilities.invokeAndWait(() -> runTest(showFrame));

if (testFailed != null) {
throw testFailed;
}
}

private static void createUI() {
private static void runTest(final boolean showFrame) {
try {
UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
} catch (Exception e) {
throw new RuntimeException(e);
}

JFrame mainFrame = new JFrame();
GridBagLayout layout = new GridBagLayout();
JPanel mainControlPanel = new JPanel(layout);
JPanel resultButtonPanel = new JPanel(layout);

GridBagConstraints gbc = new GridBagConstraints();

gbc.gridx = 0;
gbc.gridy = 0;
gbc.insets = new Insets(5, 15, 5, 15);
gbc.fill = GridBagConstraints.HORIZONTAL;
mainControlPanel.add(createComponent(), gbc);

JTextArea instructionTextArea = new JTextArea();
instructionTextArea.setText(INSTRUCTIONS);
instructionTextArea.setEditable(false);
instructionTextArea.setBackground(Color.white);

gbc.gridx = 0;
gbc.gridy = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
mainControlPanel.add(instructionTextArea, gbc);

JButton passButton = new JButton("Pass");
passButton.setActionCommand("Pass");
passButton.addActionListener((ActionEvent e) -> {
testResult = true;
mainFrame.dispose();
countDownLatch.countDown();

});

JButton failButton = new JButton("Fail");
failButton.setActionCommand("Fail");
failButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
mainFrame.dispose();
countDownLatch.countDown();
}
});
final JTree tree = createTree();
Dimension size = tree.getPreferredSize();
tree.setSize(size);

gbc.gridx = 0;
gbc.gridy = 0;
BufferedImage im = new BufferedImage(size.width, size.height,
TYPE_INT_RGB);
Graphics g = im.getGraphics();
tree.paint(g);
g.dispose();

resultButtonPanel.add(passButton, gbc);
gbc.gridx = 1;
gbc.gridy = 0;
resultButtonPanel.add(failButton, gbc);
if (showFrame) {
showFrame(tree);
}

size.height /= 4; // height of one row
size.width -= iconOffset;
size.width -= 2; // crop selection border on the right
checkColors(im, iconOffset, size.height / 2, size.width);
}

gbc.gridx = 0;
gbc.gridy = 2;
mainControlPanel.add(resultButtonPanel, gbc);
private static void showFrame(final JTree tree) {
JFrame frame = new JFrame("Nimbus Tree selected color");
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

mainFrame.add(mainControlPanel);
mainFrame.pack();
frame.getContentPane().add(tree);

mainFrame.addWindowListener(new WindowAdapter() {
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}

@Override
public void windowClosing(WindowEvent e) {
mainFrame.dispose();
countDownLatch.countDown();
private static void checkColors(final BufferedImage image,
final int iconOffset,
final int y,
final int width) {
final int foreground = foregroundColor.getRGB();
final int background = backgroundColor.getRGB();

for (int x = iconOffset; x < width; x++) {
int rgb = image.getRGB(x, y);
if (rgb != foreground && rgb != background) {
testFailed = new RuntimeException(
"Unexpected color found: " + Integer.toHexString(rgb)
+ " at (" + x + ", " + y + ");"
+ " foreground: " + Integer.toHexString(foreground) + ";"
+ " background: " + Integer.toHexString(background)
+ " - check " + FILENAME);
save(image);
}
});
mainFrame.setLocationRelativeTo(null);
mainFrame.setVisible(true);
}
}

private static JComponent createComponent() {
tree = new JTree();
private static JTree createTree() {
DefaultTreeCellRenderer cellRenderer = new DefaultTreeCellRenderer();
iconOffset = cellRenderer.getOpenIcon().getIconWidth()
+ cellRenderer.getIconTextGap();
foregroundColor = (Color) UIManager.get("Tree.selectionForeground");
backgroundColor = (Color) UIManager.get("Tree.selectionBackground");

treeCellRenderer = new DefaultTreeCellRenderer();
JTree tree = new JTree();
tree.setRootVisible(true);
tree.setShowsRootHandles(true);

tree.setCellRenderer(treeCellRenderer);
tree.setSelectionRow(1);
tree.setShowsRootHandles(false);
tree.setCellRenderer(cellRenderer);
tree.setSelectionRow(0);
return tree;
}
}

private static void save(final BufferedImage img) {
try {
ImageIO.write(img, "png", new File(FILENAME));
} catch (IOException e) {
throw new RuntimeException(e);
}
}

}

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