001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.swing.tabcontrol.plaf;
043:
044: import java.awt.Component;
045: import java.lang.ref.WeakReference;
046: import java.util.Collections;
047: import javax.swing.JFrame;
048: import javax.swing.JLabel;
049: import javax.swing.JPanel;
050: import org.netbeans.junit.NbTest;
051: import org.netbeans.junit.NbTestCase;
052: import org.netbeans.junit.NbTestSuite;
053:
054: /**
055: *
056: * @author Dafe Simonek
057: */
058: public class StackLayoutTest extends NbTestCase {
059:
060: /** Creates a new instance of StackLayoutTest */
061: public StackLayoutTest() {
062: super ("");
063: }
064:
065: public StackLayoutTest(String testName) {
066: super (testName);
067: }
068:
069: public static void main(java.lang.String[] args) {
070: junit.textui.TestRunner.run(suite());
071: }
072:
073: public static NbTest suite() {
074: NbTestSuite suite = new NbTestSuite(StackLayoutTest.class);
075: return suite;
076: }
077:
078: public void test_100486() throws Exception {
079: StackLayout layout = new StackLayout();
080: JPanel panel = new JPanel(layout);
081: JLabel testLabel = new JLabel("test label");
082: panel.add(testLabel);
083: JFrame frame = new JFrame();
084: frame.getContentPane().add(panel);
085: layout.showComponent(testLabel, panel);
086: frame.setVisible(true);
087:
088: frame.setVisible(false);
089: frame.getContentPane().remove(panel);
090: panel = null;
091: frame = null;
092: WeakReference<Component> weakTestLabel = new WeakReference<Component>(
093: testLabel);
094: testLabel = null;
095:
096: assertGC("visibleComp member of StackLayout still not GCed",
097: weakTestLabel, Collections.singleton(layout));
098: }
099:
100: }
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