author | goetz |
Tue, 14 Jun 2016 10:44:59 +0200 | |
changeset 39056 | d99e63b6d962 |
parent 5506 | 202f599c92aa |
child 40702 | ddd8e9b8af90 |
permissions | -rw-r--r-- |
1972 | 1 |
/* |
39056
d99e63b6d962
8159690: [TESTBUG] Mark headful tests with @key headful.
goetz
parents:
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diff
changeset
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* Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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@test |
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39056
d99e63b6d962
8159690: [TESTBUG] Mark headful tests with @key headful.
goetz
parents:
5506
diff
changeset
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@key headful |
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@bug 6758673 |
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@summary Tests that windows are removed from owner's child windows list |
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@author art: area=awt.toplevel |
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@run main OwnedWindowsLeak |
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*/ |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.lang.ref.*; |
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import java.lang.reflect.*; |
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import java.util.*; |
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public class OwnedWindowsLeak |
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{ |
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public static void main(String[] args) |
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{ |
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Frame owner = new Frame("F"); |
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// First, create many windows |
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Vector<WeakReference<Window>> children = |
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new Vector<WeakReference<Window>>(); |
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for (int i = 0; i < 1000; i++) |
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{ |
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Window child = new Window(owner); |
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children.add(new WeakReference<Window>(child)); |
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} |
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// Second, make sure all the memory is allocated |
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Vector garbage = new Vector(); |
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while (true) |
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{ |
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try |
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{ |
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garbage.add(new byte[1000]); |
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} |
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catch (OutOfMemoryError e) |
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{ |
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break; |
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} |
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} |
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6847149: test/java/awt/Window/OwnedWindowsLeak/OwnedWindowsLeak.java fails
dcherepanov
parents:
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diff
changeset
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garbage = null; |
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// Third, make sure all the weak references are null |
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for (WeakReference<Window> ref : children) |
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{ |
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if (ref.get() != null) |
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{ |
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throw new RuntimeException("Test FAILED: some of child windows are not GCed"); |
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} |
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} |
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// Fourth, make sure owner's children list contains no elements |
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try |
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{ |
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Field f = Window.class.getDeclaredField("ownedWindowList"); |
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f.setAccessible(true); |
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Vector ownersChildren = (Vector)f.get(owner); |
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if (ownersChildren.size() > 0) |
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{ |
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throw new RuntimeException("Test FAILED: some of the child windows are not removed from owner's children list"); |
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} |
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} |
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catch (NoSuchFieldException z) |
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{ |
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System.out.println("Test PASSED: no 'ownedWindowList' field in Window class"); |
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return; |
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} |
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catch (Exception z) |
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{ |
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throw new RuntimeException("Test FAILED: unexpected exception", z); |
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} |
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// Test passed |
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System.out.println("Test PASSED"); |
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owner.dispose(); |
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} |
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} |