8282937: Write a regression test for JDK-4820080

Reviewed-by: serb
This commit is contained in:
Manukumar V S 2022-03-22 01:28:06 +00:00 committed by Sergey Bylokhov
parent 81d63734bc
commit 849b19523a

View File

@ -0,0 +1,205 @@
/*
* Copyright (c) 2003, 2022, 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.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JSplitPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;
import static javax.swing.UIManager.getInstalledLookAndFeels;
/*
* @test
* @key headful
* @bug 4820080
* @summary This test confirms that the Drag color of JSplitPane divider should
* be the user specified one(Red here).
* @run main JSplitPaneDragColorTest
*/
public class JSplitPaneDragColorTest {
// Tolerance is set inorder to negate small differences in pixel color values,
// especially in Mac machines.
private final static int COLOR_TOLERANCE = 9;
private static final Color EXPECTED_DRAG_COLOR = Color.RED;
private static JFrame frame;
private static JSplitPane pane;
private static Robot robot;
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoWaitForIdle(true);
robot.setAutoDelay(200);
// Skipping NimbusLookAndFeel & GTKLookAndFeel,
// as both are not supported for this feature - JDK-8075914, JDK-8075608
List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
.filter(laf -> !(laf.getName().contains("GTK")
|| laf.getName().contains("Nimbus")))
.map(LookAndFeelInfo::getClassName)
.collect(Collectors.toList());
for (final String laf : lafs) {
try {
AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
SwingUtilities.invokeAndWait(() -> {
lafSetSuccess.set(setLookAndFeel(laf));
if (lafSetSuccess.get()) {
createUI();
}
});
if (!lafSetSuccess.get()) {
continue;
}
robot.waitForIdle();
Rectangle dividerRect = getDividerRect();
// Mouse click and right drag split pane divider
robot.mouseMove(dividerRect.x + 5, dividerRect.y + 36);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseMove(dividerRect.x + 15, dividerRect.y + 36);
robot.mouseMove(dividerRect.x + 5, dividerRect.y + 36);
// Get the color of one of the pixels of the splitpane divider
// after the drag has started. Ideally it should be the
// SplitPaneDivider.draggingColor set by user, otherwise the test fails
final Color actualDragColor = robot.getPixelColor(dividerRect.x + 2,
dividerRect.y + 2);
if (checkDragColor(actualDragColor)) {
System.out.println("Test passed in " + laf);
} else {
System.out.print("Expected pixel color = ");
System.out.printf("%X", EXPECTED_DRAG_COLOR.getRGB());
System.out.print(", but actual color = ");
System.out.printf("%X", actualDragColor.getRGB());
System.out.println();
captureScreen();
throw new RuntimeException("Test failed, drag color is wrong in "
+ laf);
}
} finally {
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
SwingUtilities.invokeAndWait(JSplitPaneDragColorTest::disposeFrame);
}
}
}
private static boolean checkDragColor(Color actualDragColor) {
int actualRed = actualDragColor.getRed();
int actualGreen = actualDragColor.getGreen();
int actualBlue = actualDragColor.getBlue();
int expectedRed = EXPECTED_DRAG_COLOR.getRed();
int expectedGreen = EXPECTED_DRAG_COLOR.getGreen();
int expectedBlue = EXPECTED_DRAG_COLOR.getBlue();
final double tolerance = Math.sqrt(
(actualRed - expectedRed) * (actualRed - expectedRed) +
(actualGreen - expectedGreen) * (actualGreen - expectedGreen) +
(actualBlue - expectedBlue) * (actualBlue - expectedBlue));
return (tolerance <= COLOR_TOLERANCE);
}
private static Rectangle getDividerRect() {
final AtomicReference<Rectangle> rect = new AtomicReference<>();
SwingUtilities.invokeLater(() -> {
javax.swing.plaf.basic.BasicSplitPaneUI ui =
(javax.swing.plaf.basic.BasicSplitPaneUI) pane.getUI();
javax.swing.plaf.basic.BasicSplitPaneDivider divider = ui.getDivider();
Point dividerLoc = divider.getLocationOnScreen();
rect.set(new Rectangle(dividerLoc.x, dividerLoc.y, divider.getWidth(),
divider.getHeight()));
});
robot.waitForIdle();
return rect.get();
}
private static void captureScreen() {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
try {
ImageIO.write(
robot.createScreenCapture(new Rectangle(0, 0,
screenSize.width,
screenSize.height)),
"png",
new File("screen1.png")
);
} catch (IOException ignore) {
}
}
private static void createUI() {
frame = new JFrame();
UIManager.put("SplitPaneDivider.draggingColor", EXPECTED_DRAG_COLOR);
JLabel l1 = new JLabel("LEFT LABEL", JLabel.CENTER);
JLabel l2 = new JLabel("RIGHT LABEL", JLabel.CENTER);
pane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, l1, l2);
frame.setSize(400, 400);
pane.setDividerSize(15);
pane.setDividerLocation(frame.getSize().width / 2);
frame.getContentPane().add(pane, BorderLayout.CENTER);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setVisible(true);
}
private static boolean setLookAndFeel(String lafName) {
try {
UIManager.setLookAndFeel(lafName);
} catch (UnsupportedLookAndFeelException ignored) {
System.out.println("Ignoring Unsupported L&F: " + lafName);
return false;
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
throw new RuntimeException(e);
}
return true;
}
private static void disposeFrame() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
}