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8213531: Test javax/swing/border/TestTitledBorderLeak.java fails

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Reviewed-by: prr
This commit is contained in:
Prasanta Sadhukhan 2022-06-02 03:39:39 +00:00
parent 6030c0e403
commit 07d24509a6
2 changed files with 28 additions and 73 deletions
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1
test/jdk/ProblemList.txt
View File

@ -652,7 +652,6 @@ javax/sound/midi/Sequencer/Looping.java 8136897 generic-all
javax/swing/plaf/basic/BasicTextUI/8001470/bug8001470.java 8233177 linux-all,windows-all
javax/swing/border/TestTitledBorderLeak.java 8213531 linux-all
javax/swing/JWindow/ShapedAndTranslucentWindows/ShapedTranslucentPerPixelTranslucentGradient.java 8233582 linux-all
javax/swing/JWindow/ShapedAndTranslucentWindows/ShapedPerPixelTranslucentGradient.java 8233582 linux-all
javax/swing/JWindow/ShapedAndTranslucentWindows/PerPixelTranslucentSwing.java 8194128 macosx-all

100
test/jdk/javax/swing/border/TestTitledBorderLeak.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018, 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
@ -21,89 +21,45 @@
* questions.
*/
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import javax.swing.border.TitledBorder;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
/**
/*
* @test
* @key headful
* @bug 8204963
* @summary Verifies TitledBorder's memory leak
* @run main TestTitledBorderLeak
* @run main/othervm -Xmx10M TestTitledBorderLeak
*/
public class TestTitledBorderLeak {
final static int TOTAL_TITLEDBORDER = 10;
final static int GC_ATTEMPTS = 10;
static ArrayList<WeakReference<TitledBorder>> weakRefArrTB =
new ArrayList(TOTAL_TITLEDBORDER);
public static void main(String[] args) throws Exception {
int max = 100000;
long initialFreeMemory = 0L;
long currentFreeMemory;
try {
for (int i = 1; i <= max; i++) {
new TitledBorder("");
if ((i % 1000) == 0) {
System.gc();
currentFreeMemory = dumpMemoryStatus("After " + i);
if(initialFreeMemory == 0L) {
initialFreeMemory = currentFreeMemory;
} else if( currentFreeMemory < initialFreeMemory/2) {
throw new RuntimeException("Memory halved: there's a leak");
}
JFrame frame[] = new JFrame[TOTAL_TITLEDBORDER];
SwingUtilities.invokeAndWait(() -> {
for (int i = 0; i < TOTAL_TITLEDBORDER; i++) {
TitledBorder tb = new TitledBorder("");
weakRefArrTB.add(i, new WeakReference<TitledBorder>(tb));
JLabel label = new JLabel("TitledBorder");
label.setBorder(tb);
frame[i] = new JFrame("Borders");
JPanel panel = new JPanel();
panel.add(label);
frame[i].setContentPane(panel);
frame[i].setVisible(true);
}
}
});
if (TOTAL_TITLEDBORDER != weakRefArrTB.size()) {
System.err.println("TOTAL_TITLEDBORDER != weakRefArrTB.size()");
}
Thread.sleep(3000);
SwingUtilities.invokeAndWait(() -> {
for (int i = 0; i < TOTAL_TITLEDBORDER; i++) {
frame[i].dispose();
frame[i] = null;
}
});
Thread.sleep(3000);
attemptGCTitledBorder();
if (TOTAL_TITLEDBORDER != getCleanedUpTitledBorderCount()) {
throw new RuntimeException("Expected Total TitledBorder to be freed : " + TOTAL_TITLEDBORDER +
" Freed " + getCleanedUpTitledBorderCount());
}
System.out.println("OK");
}
private static void attemptGCTitledBorder() {
// Attempt gc GC_ATTEMPTS times
for (int i = 0; i < GC_ATTEMPTS; i++) {
}catch(OutOfMemoryError e) {
// Don't think it would work; should not happen
System.gc();
System.runFinalization();
if (getCleanedUpTitledBorderCount() == TOTAL_TITLEDBORDER) {
break;
}
try {
Thread.sleep(500);
} catch (InterruptedException e) {
System.err.println("InterruptedException occurred during Thread.sleep()");
}
throw new RuntimeException("There was OOM");
}
System.out.println("Passed");
}
private static int getCleanedUpTitledBorderCount() {
int count = 0;
for (WeakReference<TitledBorder> ref : weakRefArrTB) {
if (ref.get() == null) {
count++;
}
}
return count;
private static long dumpMemoryStatus(String msg) {
Runtime rt = Runtime.getRuntime();
long freeMem = rt.freeMemory();
System.out.println(msg + ": " + freeMem + " free");
return freeMem;
}
}