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.

test/jdk/java/io/Serializable/enum/array/Test.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2003, 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 4838379
+ * @summary Verify that serialization of enum constant arrays functions
+ *          properly.
+ */
+
+import java.io.*;
+import java.util.Arrays;
+
+enum Foo { klaatu, barada { int i = 1; }, nikto }
+
+public class Test {
+    public static void main(String[] args) throws Exception {
+        ByteArrayOutputStream bout = new ByteArrayOutputStream();
+        ObjectOutputStream oout = new ObjectOutputStream(bout);
+        Foo[] fa = Foo.values();
+        Object[] oa = Arrays.asList(fa).toArray();
+        oout.writeObject(oa);
+        oout.writeObject(fa);
+        oout.close();
+        ObjectInputStream oin = new ObjectInputStream(
+            new ByteArrayInputStream(bout.toByteArray()));
+        Object[] oa2 = (Object[]) oin.readObject();
+        if (!elementsIdentical(oa, oa2)) {
+            throw new Error("arrays differ: " +
+                Arrays.asList(oa) + ", " + Arrays.asList(oa2));
+        }
+        Foo[] fa2 = (Foo[]) oin.readObject();
+        if (!elementsIdentical(fa, fa2)) {
+            throw new Error("arrays differ: " +
+                Arrays.asList(fa) + ", " + Arrays.asList(fa2));
+        }
+    }
+
+    static boolean elementsIdentical(Object[] a1, Object[] a2) {
+        if (a1.length != a2.length) {
+            return false;
+        }
+        for (int i = 0; i < a1.length; i++) {
+            if (a1[i] != a2[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+}