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/rmi/reliability/benchmark/bench/serial/Cons.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1999, 2008, 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.
+ */
+
+/*
+ *
+ */
+
+package bench.serial;
+
+import bench.Benchmark;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
+
+/**
+ * Benchmark for testing speed of ObjectOutputStream/ObjectInputStream
+ * construction.
+ */
+public class Cons implements Benchmark {
+
+    /**
+     * Dummy object to write to newly constructed serialization stream.
+     */
+    static class Dummy implements Serializable {
+    }
+
+    /**
+     * Repeatedly construct ObjectOutputStream and ObjectInputStream objects.
+     * Arguments: <# repetitions>
+     */
+    public long run(String[] args) throws Exception {
+        int reps = Integer.parseInt(args[0]);
+        Dummy dummy = new Dummy();
+        StreamBuffer sbuf = new StreamBuffer();
+
+        doReps(sbuf, dummy, 1);         // warmup
+
+        long start = System.currentTimeMillis();
+        doReps(sbuf, dummy, reps);
+        return System.currentTimeMillis() - start;
+    }
+
+    /**
+     * Run benchmark for given number of cycles.
+     */
+    void doReps(StreamBuffer sbuf, Dummy dummy, int reps) throws Exception {
+        OutputStream out = sbuf.getOutputStream();
+        InputStream in = sbuf.getInputStream();
+        for (int i = 0; i < reps; i++) {
+            sbuf.reset();
+            ObjectOutputStream oout = new ObjectOutputStream(out);
+            oout.writeObject(dummy);
+            oout.flush();
+            ObjectInputStream oin = new ObjectInputStream(in);
+            oin.readObject();
+        }
+    }
+}