undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/awt/Container/ShowingChangedEventTest.java
+++ b/test/jdk/java/awt/Container/ShowingChangedEventTest.java
@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2003, 2023, 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.
+ */
+
+/*
+  @test
+  @bug 4924516
+  @summary Verifies that SHOWING_CHANGED event is propagated to \
+           HierarchyListeners then toolkit enabled
+  @key headful
+*/
+
+
+import java.awt.AWTEvent;
+import java.awt.EventQueue;
+import java.awt.Toolkit;
+import java.awt.event.AWTEventListener;
+import java.awt.event.HierarchyEvent;
+import java.awt.event.HierarchyListener;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class ShowingChangedEventTest
+        implements AWTEventListener, HierarchyListener{
+    private boolean eventRegisteredOnButton = false;
+
+    private final JFrame frame = new JFrame("ShowingChangedEventTest");
+    private final JPanel panel = new JPanel();
+    private final JButton button = new JButton();
+
+
+    public static void main(String[] args) throws Exception {
+        EventQueue.invokeAndWait(() -> {
+            ShowingChangedEventTest showingChangedEventTest
+                    = new ShowingChangedEventTest();
+
+            try {
+                showingChangedEventTest.start();
+            } finally {
+                showingChangedEventTest.frame.dispose();
+            }
+        });
+    }
+
+    public void start ()  {
+        frame.getContentPane().add(panel);
+        panel.add(button);
+
+        frame.pack();
+        frame.setVisible(true);
+
+        Toolkit.getDefaultToolkit()
+                .addAWTEventListener(this, AWTEvent.HIERARCHY_EVENT_MASK);
+
+        button.addHierarchyListener(this);
+        panel.setVisible(false);
+
+        if (!eventRegisteredOnButton){
+            throw new RuntimeException("Event wasn't registered on Button.");
+        }
+    }
+
+    @Override
+    public void eventDispatched(AWTEvent awtevt) {
+        if (awtevt instanceof HierarchyEvent) {
+            HierarchyEvent hevt = (HierarchyEvent) awtevt;
+            if (hevt != null && (hevt.getChangeFlags()
+                    & HierarchyEvent.SHOWING_CHANGED) != 0) {
+                System.out.println("Hierarchy event was received on Toolkit. "
+                        + "SHOWING_CHANGED for "
+                        + hevt.getChanged().getClass().getName());
+            }
+        }
+    }
+
+    @Override
+    public void hierarchyChanged(HierarchyEvent e) {
+        if ((HierarchyEvent.SHOWING_CHANGED & e.getChangeFlags()) != 0) {
+            System.out.println("Hierarchy event was received on Button. "
+                    + "SHOWING_CHANGED for "
+                    + e.getChanged().getClass().getName());
+        }
+        eventRegisteredOnButton = true;
+    }
+}