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/util/Calendar/bug4316678.java
+++ b/test/jdk/java/util/Calendar/bug4316678.java
@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2000, 2025, 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 4316678 8347841
+ * @summary test that Calendar's Serialization works correctly.
+ * @run junit bug4316678
+ */
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class bug4316678 {
+
+    private static final String serializedData = "bug4316678.ser";
+
+    // Save JVM default TimeZone
+    private static final TimeZone savedTz = TimeZone.getDefault();
+
+    // Set custom JVM default TimeZone
+    @BeforeAll
+    static void initAll() {
+        TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
+    }
+
+    // Restore JVM default Locale and TimeZone
+    @AfterAll
+    static void tearDownAll() {
+        TimeZone.setDefault(savedTz);
+    }
+
+    // Test that a serialized GregorianCalendar has the expected values
+    @Test
+    public void serializationTest() throws IOException, ClassNotFoundException {
+        GregorianCalendar gc1 = new GregorianCalendar(2000, Calendar.OCTOBER, 10);
+        GregorianCalendar gc2;
+        try (ObjectOutputStream out
+                = new ObjectOutputStream(new FileOutputStream(serializedData))) {
+            out.writeObject(gc1);
+        }
+
+        try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(serializedData))) {
+            gc2 = (GregorianCalendar)in.readObject();
+        }
+
+        gc1.set(Calendar.DATE, 16);
+        gc2.set(Calendar.DATE, 16);
+        assertEquals(gc2.getTime(), gc1.getTime(),
+                "Times should be equal after serialization");
+    }
+}