66 lines
2.4 KiB
Java
66 lines
2.4 KiB
Java
/*
|
|
* 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
|
|
* 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 javax.swing.border.TitledBorder;
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8204963
|
|
* @summary Verifies TitledBorder's memory leak
|
|
* @run main/othervm -Xmx10M TestTitledBorderLeak
|
|
*/
|
|
public class TestTitledBorderLeak {
|
|
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");
|
|
}
|
|
|
|
}
|
|
}
|
|
}catch(OutOfMemoryError e) {
|
|
// Don't think it would work; should not happen
|
|
System.gc();
|
|
throw new RuntimeException("There was OOM");
|
|
}
|
|
System.out.println("Passed");
|
|
}
|
|
private static long dumpMemoryStatus(String msg) {
|
|
Runtime rt = Runtime.getRuntime();
|
|
long freeMem = rt.freeMemory();
|
|
System.out.println(msg + ": " + freeMem + " free");
|
|
return freeMem;
|
|
}
|
|
}
|
|
|