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/Component/FocusRepaintTest/FocusRepaintTest.java
+++ b/test/jdk/java/awt/Component/FocusRepaintTest/FocusRepaintTest.java
@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1997, 2024, 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 4079435
+ * @summary Calling repaint() in focus handlers messes up the window.
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual FocusRepaintTest
+ */
+
+import java.awt.Button;
+import java.awt.FlowLayout;
+import java.awt.Frame;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.lang.reflect.InvocationTargetException;
+
+public class FocusRepaintTest extends Frame implements FocusListener {
+    static final String INSTRUCTIONS = """
+            Hit the tab key repeatedly in the Test window.
+            If any of the buttons disappear press Fail, otherwise press Pass.
+            """;
+
+    public FocusRepaintTest() {
+        setTitle("Test");
+        setLayout(new FlowLayout());
+        setSize(200, 100);
+        Button b1 = new Button("Close");
+        Button b2 = new Button("Button");
+        add(b1);
+        add(b2);
+        b1.setSize(50, 30);
+        b2.setSize(50, 30);
+        b1.addFocusListener(this);
+        b2.addFocusListener(this);
+    }
+
+    public void focusGained(FocusEvent e) {
+        Button b = (Button) e.getSource();
+        PassFailJFrame.log("Focus gained for " + b.getLabel());
+        b.repaint();
+    }
+
+    public void focusLost(FocusEvent e) {
+        Button b = (Button) e.getSource();
+        PassFailJFrame.log("Focus lost for " + b.getLabel());
+        b.repaint();
+    }
+
+    public static void main(String[] args) throws InterruptedException,
+            InvocationTargetException {
+        PassFailJFrame.builder()
+                .title("Focus Repaint")
+                .testUI(FocusRepaintTest::new)
+                .instructions(INSTRUCTIONS)
+                .columns(40)
+                .logArea()
+                .build()
+                .awaitAndCheck();
+    }
+}