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8347277: java/awt/Focus/ComponentLostFocusTest.java fails intermittently

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Reviewed-by: serb
This commit is contained in:
Manukumar V S 2025-09-05 19:50:52 +00:00
parent c6c451ac39
commit e2a503e26e
1 changed files with 26 additions and 12 deletions
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38
test/jdk/java/awt/Focus/ComponentLostFocusTest.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2025, 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
@ -35,13 +35,20 @@ import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.KeyboardFocusManager;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.TextField;
import java.awt.Toolkit;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.InputEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.imageio.ImageIO;
public class ComponentLostFocusTest {
@ -49,10 +56,10 @@ public class ComponentLostFocusTest {
static TextField tf;
static Robot r;
static Dialog dialog = null;
static volatile boolean passed;
static volatile Point loc;
static volatile int width;
static volatile int top;
static final CountDownLatch focusGainedLatch = new CountDownLatch(1);
private static void createTestUI() {
@ -75,11 +82,7 @@ public class ComponentLostFocusTest {
public static void doTest() {
System.out.println("dialog.setVisible.... ");
new Thread(new Runnable() {
public void run() {
dialog.setVisible(true);
}
}).start();
new Thread(() -> dialog.setVisible(true)).start();
// The bug is that this construction leads to the redundant xRequestFocus
// By the way, the requestFocusInWindow() works fine before the fix
@ -98,7 +101,7 @@ public class ComponentLostFocusTest {
tf.addFocusListener(new FocusAdapter() {
public void focusGained(FocusEvent e) {
System.out.println("TextField gained focus: " + e);
passed = true;
focusGainedLatch.countDown();
}
});
@ -116,6 +119,17 @@ public class ComponentLostFocusTest {
tf.requestFocus();
}
private static void captureScreen() {
try {
final Rectangle screenBounds = new Rectangle(
Toolkit.getDefaultToolkit().getScreenSize());
ImageIO.write(r.createScreenCapture(screenBounds),
"png", new File("ComponentLostFocusTest.png"));
} catch (Exception e) {
e.printStackTrace();
}
}
public static final void main(String args[]) throws Exception {
r = new Robot();
r.setAutoDelay(100);
@ -138,9 +152,10 @@ public class ComponentLostFocusTest {
System.out.println("Focus owner: " +
KeyboardFocusManager.getCurrentKeyboardFocusManager().
getFocusOwner());
if (!passed) {
throw new RuntimeException("TextField got no focus! Test failed.");
if (!focusGainedLatch.await(5, TimeUnit.SECONDS)) {
captureScreen();
throw new RuntimeException("Waited too long, " +
"TextField got no focus! Test failed.");
}
} finally {
EventQueue.invokeAndWait(() -> {
@ -151,4 +166,3 @@ public class ComponentLostFocusTest {
}
}
}